- Various engine queries -- Mick, 22:33:59 11/06/09 Fri (217.43.163.187)
I carry out a regular (every 50 hrs) compression check using a standard automotive compression tester. Results have been good, latest pressures range from 168 to 172 PSI across all cylinders and have only dropped 1 or 2 PSI over the last 150 hrs. I believe these figures are very good. I note from page 20 of my Jabiru Instruction and Maintenance Manual (dated Oct 06) that readings below 90 PSI would need investigating, surely 90 PSI is way too low ? I would start worrying when they dropped below 150 PSI.
Next question - My engine had the flywhell bolts changed as per JSB 012-1 by the previous owner. I note that I should check the torque of the bolts every year and/or every 200 hrs. How easy it is to check the tension, manual isn't clear. Any advice appreciated.
Finally, I note that 1 or 2 minutes after shutting down my engine after a flight, fuel drips from the carby to SCAT hose junction . I only noticed this after a small hole appeared in the bottom of the SCAT hose next to the jubilee clip at the carby. Is this normal ? I did a fuel pressure check at the carby and noted that the pressure increased on engine shut down (no electric pump fitted).
Mick
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- Alcohol, Lead, Compression Ratio: Fuel Guidance -- Vic, 09:10:00 11/06/09 Fri (82.21.104.66)
New SB from Jabiru
http://www.jabiru.net.au/Service%20Bulletins/Engine%20files/JSL007-3.pdf
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- Rotax and the Bing Carby -- Howard, 03:12:08 11/04/09 Wed (91.110.132.1)
Rotax have just issued a bulletin on all 912 914 series and UL 2 stroke ref floats in the Carb , they also use the Bing , information can be found on the Rotax webb , I have seen the offending float it is showing cracks in the structure ,this can break away and cause engine failure ,
perhaps someone with more knowledge than I on the subject could add there info
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Cylinder Base nuts -- Clive, 16:17:13 11/01/09 Sun (129.230.248.1)
Many years ago when my plane was new I was told the reason my Jab 2200 was tight when turned over when warm was because the barrels cooled quickly after approach and landing. Sounded feasible at the time and maybe still the case to a degree, so I was very interested when I heard of the cylinder barrel drag theory.
I had the cylinder base nut mod and all barrels were been honed. It has made not a jot of difference to the performance of the engine. I say this because I can hear the licking of lips as many folk reading the thread below are dreaming of an extra ~100 rpm and reduced fuel consumption etc etc.
That may well be the case for some but it is not my experience. So when you read don't mess with your engine until overhaul time then that is good advice IMHO.
My Jab 2200 on an SP has now done more than 1100 hrs and was overhauled around 1000. So I now have over 100 hrs since and have seen no appreciable difference in performance of any of the metrics. Turn it over by hand and it feels not different than it ever did. Ser # is 596.
So all that said I'm still interested in the theory/concept as I know if I hand prop a warm Lycoming it doesn't feel that different to a cold one. The drag that we all feel with a warm engine must be taking some energy and just be creating heat. Maybe I just need more taken out the barrels to increase the clearances.
Go for it if you've the time or inclination (or it's overhaul time) but be prepared to be disappointed.
Regards, Clive
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Check this out -- Clive, 14:35:51 11/01/09 Sun (129.230.248.1)
http://www.recreationalflying.org/forum/jabiru/52887-crack-fuselage-j430.html
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- Oil bucket hose -- Rolf, 22:23:31 10/27/09 Tue (213.184.221.113)
It seems that the hose from the oil filler pipe to the oil collection bucket is sweating or condense when the aircraft is on the ground. Is this normal.
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- trailer -- Nigel, 00:48:52 10/27/09 Tue (89.195.139.4)
Does anyone know who to approach about getting an enclosed trailer for a UL?
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- Re: trailer -- Bob P, 11:52:31 10/27/09 Tue (84.92.114.48)
- Re: trailer -- Howard, 06:58:08 10/30/09 Fri (91.110.178.181)
- a justifiable decision by On Risk/Albion? -- Dave Morton, 20:13:55 10/24/09 Sat (91.105.138.78)
In March of this year I had an engine failure in a Jabiru (carb icing) that resulted in the aircraft overturning after striking a hedge, the aircraft was an economic write off.
Having full hull cover with an agreed value of £38000 a claim was made to On Risk.
During the claim process it was discovered that my medical was out of date (my previous Doctor who now lives in Aus originally signed my DVLA style self declaration medical in 2003 and dated it to expire in 2009 but it transpired that I should have renewed it in 2008 which was my 45th birthday).
I contacted On Risk and their underwriters Albion Insurance ltd (Albion are based in Barbados) and explained that it was a genuine mistake and I honestly believed that my medical was in date because of the 2009 expiry on the form.
I also sent an accompanying letter from my new Doctor who stated that at the time of my accident there was no medical reason that would have invalidated my licence and he fully believed that I was fit to fly at the time of the accident.
Albion/On Risk have agreed that the accident was in no way medically or safety related but have refused to pay out because I was out of date with my medical even though the UKNPPL self declaration medical is ultimately a declaration by the pilot that he/she believes that they are fit to fly and then it is endorsed by their Doctor,(ANO 32A 2(a)(b)(c)(d).
My Doctor and myself believe we have met this criteria in the form of the supporting letter from my Doctor.
The mistake on my original medical was just that, a mistake and I was unaware of needing a new medical on my 45th birthday, this was a completely genuine error.
In theory you could obtain your licence/medical aged 18 and health permitting not need to renew until age 45, this is widely open to human error as in my case.
I offered Albion/On Risk the chance to enter into negotiations regarding a reduced settlement figure in view of the error but they replied that "I have not complied with the ANO at the time of the accident and therefore my insurance is void", each time I contact them I am met with the same thing, that is their only reason for rejecting my claim and as mentioned before they have acknowledged that it was not a safety/health issue.
I contacted the FSA but unfortunately they have no influence because Albion are based in Barbados and are therefore NOT governed by the FSA.
A solicitors advice was sought and stated that we have a very good case, however it is also very difficult enforcing an overseas company to payout, do we continue or not, what a dilemma!.
I had been with On Risk/Albion for quite a while but there seems to be no insurer/client loyalty.
Now I would NEVER use a company unless both the broker and underwriter are based in the UK and are governed by the FSA, had Albion been in the UK the FSA would have been able to assist in this matter.
I have recently returned to a flex and contacted a company to insure it with, decalaring the claim even though no payment was made only to be met with "we had a very similar case and the underwriters paid out without prejudice in the best interests of all parties".
I can only advise for everyone to ensure all their documents are 100% in order and this is purely food for thought, but if you have that "little something" fitted that has no mod approval or if you are flying and the weather turns during the flight and it is no longer a VFR flight then could this potentially render your insurance void?.
As the subject heading states, are On Risk/Albion right regarding their decision or should they show some commitment to their client?.
I would be interested in different views on this matter as obviously I'm a little blinkered, but please no jibes, you can't make me feel any worse than I already do.
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- Tight engine affects mixture? -- Peter Knight, 08:37:18 10/24/09 Sat (88.105.199.26)
Roger
I understood your explanation of barrel distortion; (don't think I've got that problem!) But I don't see how this can affect the mixture. Can you elaborate?
Peter
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- Cylinder Nuts -- Howard, 19:45:39 10/23/09 Fri (91.110.141.133)
Another thread but the same story as the recent chat on Carby`s , In a nutshell not enough information ,
Today I did the Roger check warmed up for two mins ,turned the engine over it was tight and no kick back ,
So the description of the chamfer on the nut what does that mean and where is the drawing , why does a none chamfer distort the cylinder, what is the best way of torqueing up the nuts when some are so hard to get at ,
any help on this subject would be welcome .
can I buy these special nuts
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- Jabiru 2200 Economy Tiuning kit -- Mick O'Connor, 11:43:09 10/21/09 Wed (217.44.213.112)
I have a Jab engine in a Skyranger, serial number 1736 (ie pre-economy kit). Have been advised by Don Richter (Jab Australia) to install a 225 main jet , 280 needle jet and 4A138A0d-2 needle. Trouble is, the economy kit sold by Skycraft doesn't include the correct jets. I guess I can just buy the correct parts seperately but the kit also includes a drill bit ! Does anyone know what the drill is for ? Can anyone send me the economy kit fitting instructions ?
Mick
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- Message removed -- Vic, 09:31:52 10/16/09 Fri (82.21.104.66)
I have received a complaint regarding a post concerning the sale of an engine. I have removed the post and contacted the interested parties
Vic Forum Admin
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- Transition to J-230 -- Athal Williams (Happy), 22:00:56 10/13/09 Tue (207.200.116.69)
I will soon be the owner of a new factory built J-230. For the last 15 years, I've owned and flown a Cessna 172. I would appreciate any feedback on transitioning from the C-172 to the J-230/250.
Thanks
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- sk struts -- Jed Heath, 21:05:16 10/02/09 Fri (195.93.21.37)
Hi,
On my recent permit there was just a small noticable bit of play in the struts when the wing is lifted I am not sure if its the bolt or stut itself or if its a normal thing on all Jabi,s any ideas, cheers Jed
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- Insurance Quotes J430 -- Peter Knight, 20:12:01 09/28/09 Mon (88.105.254.171)
How are we all doing getting competitive quotes for insurance? I've got a quote from Traffords for my J430 of £1254 for a hull value of £50,000 and third party of £2 million. (I've got about 1200 hours P1. Is it worth shopping around as I've got time or are they all much the same?
Many thanks.
Peter
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- Jab sale values -- Alan Thomas, 14:05:01 09/28/09 Mon (86.29.198.57)
I was wondering why Jab sk and Jab ul sale prices are dropping well below 20k in some examples.
I know we have new competitive products against the Jab but some command 35k.40k and 50k so any opinions as to why our aircraft seem so disadvantaged in the resale market right now.
Are we selling them to cheap?.
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- Air Filter for 2200A Series Engine -- David Johnston, 19:28:57 09/21/09 Mon (81.145.251.98)
Does anyone know if the Jabiru air filter for the 2200A series engine is a Jabiru manufactured part or a motor industry standard made for a particular vehicle. I do have a good reason for asking but would rather not go into it here.
Many thanks in anticipation.
David Johnston
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- Sensenich ground adjustable prop -- Vic, 12:05:29 09/17/09 Thu (82.21.104.66)
From an email I recieved from Alistair Barnes:
The Sensenich prop is the 2200 Jabiru type part number 2A0J5R62HN, 60” radius, the N denotes nickel leading edge which is great for stone chip durability, our taxi way has wrecked 2 of my GT props but this prop handles it no problem (paint chips only). The prop is ground adjustable so performance depends on your setting, we have basically set it to give 2800 static ground RPM, this gives us a faster cruise than the GT prop at the same revs. 90kts is achieved at around 2600rpm with 2950rpm giving VNE at 116, the fuel burn at 80kts is 7ltrs per hour. You cannot fit the spinner that is supplied (balanced as well), as it is far too big to then get the cowling off, it looks fine with the gold hub anyway. If you set it any coarser it fly’s very fast at low rpm so slowing it down to land is a bit of an issue, if you knew what you were doing you could set it to cruise faster at lower rpm for a long journey as long as you had a decent runway at the other end !!
The price is around £1500, it might be a little more as the exchange rate will be US$ based.
Here is the latest pic of my Jab with it fitted:
http://www.leggott.flyer.co.uk/SEN.JPG
The PFA approved the mod for the aircraft last October, it took until March to get the nosie cert done with the CAA due to weather.
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- Fuel Tanks -- Keith Betteley, 18:55:49 09/15/09 Tue (86.130.10.57)
Have any of you pilots who are technichally minded read the current Gasco flight safety mag,in particular page 6,safety notes concerning fuel explosion and the company who are promoting a way of preventing fire in the event of an accident.It looks extremely interesting and some feedback from anyone who has any knowledge on the subject would be gratefully appreciated.
For anyone who does not receive a copy of this publication the website for the company in question is www.texoga.com.
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- Indecent Photos. -- Bob P, 22:24:01 09/14/09 Mon (84.92.114.48)
I’ve stumbled across a website that has many indecent images including one of my baby. Someone (I don’t know who) has, without my knowledge or permission, photographed my baby and posted it on the site ----------- www.caa.co.uk/ginfo
The photo is of my Pulsar and is quite unflatering. If I were to advertise my plane for sale, a prospective buyer night well start his/her research by checking G-INFO and, based on the photo posted there, decide to look elsewhere.
I don’t understand why the CAA find it necessary to publish a photo of my plane. If it is necessary, why haven’t they asked me to supply a picture, or at least sought my permission before using a photo taken by others.
You might want to check G-INFO to see if anyone has taken and posted illicit photos of your baby.
Cheers
Bob
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- Chasing Rainbows -- Howard, 17:33:36 09/10/09 Thu (91.110.195.116)
A new thread because I didn`t want you to miss it , I said I would let you know about ignition noise and how I would like to cure it , idea`s came in about ATIS reception and then changing everything was too much work , so I purchased the new plug harness ( a drive of 530 miles ) fitted it , fitted ferrites to coil leads , ferrites in other parts too , result much improved , then I asked Ralph and Vic for advice ,they both said at zero squelch you can expect noise , the problem came to me when I switched Mags , right mag off no noise , changed coils over still noise , changed Freq now on left mag , Vic came up with the answer harmonics from the IG system will give you noise on some frq`s and not on others , Today I flight tested with control of Squelch I could hear Nottingam ATIS clear at 30-40 Nm yes there was some noise but i could read them , On London information at 100 Nm I could read aircraft crossing the channel, I am satisfied I have got the best out of the coil type system , It is very complicated , a test for all Jab owners ,can you turn down the Squelch on all channels and hear no ignition noise , Try it and come back to me
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- Microair M760 Radio Wanted .... -- Martin, 22:25:51 09/09/09 Wed (81.77.90.17)
I'm running (and participating in) an LAA Young Aviators day at Gloucestershire on Sat 19th September but sadly my radio is still in Australia being repaired.
Is there kind soul in our community that has a spare that I could borrow for that weekend. I'll gladly pay postage etc.. or collect and return if in the south-west....?
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- Transponder problems -- Mark, 13:53:58 09/08/09 Tue (62.200.20.13)
I'm having intermittent problems with my Garmin GTX 320A fitted in my J400. Sometimes ATC sees my squawk, sometimes they don't. One recent trip was typical. Shawbury and Brize Norton could not see my squawk, yet as soon as I was handed over to Boscombe Down the signal came back. On the return trip the transpoder behaved itself all the way home with Brize and Shawbury both seeing my squawk.
I also notice that the interogation light will not flash when I'm having these reporting problems with ATC.
I've checked continuity of the antenna, cable inner and coaxial and all seems ok.
I'm thinking the problem mught lie in the transponder unit itself. Any help gratefully appreciated.
Mark.
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- Jab 6 cyl 3300 Engine in Zenith STOL CH750 -- Nick Good, 17:22:40 09/07/09 Mon (86.152.43.120)
Some recently posted You Tube Clips of a CH750 STOL with a 6 cylinder Jabiru 3300 Firewall forward package.
Clip 1 install, Clip 2 complete aircraft, Clip 3 STOL performance - Tesco's car park anybody?
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- Dutch Fly In -- Roger, 08:29:11 09/07/09 Mon (91.84.100.137)
Anyone interested in going? Mode S not required
www.texelairport.nl
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- Hope to go -- Clive, 18:27:35 09/07/09 Mon (86.157.210.7)
- Good event! -- Clive, 15:07:03 09/15/09 Tue (89.168.193.44)
- Sywell Revival 2009 -- Vic, 19:15:31 09/06/09 Sun (82.21.100.235)
New web page added - Sywell Revival 2009
http://www.jabiru.flyer.co.uk/sywell09.htm
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- Ignition Coils -- Pete Todd, 17:33:29 09/01/09 Tue (86.16.35.138)
This is probably an old chestnut - but our ignition coils in our Jabiru 450UL don't seem to last very long. It varies on the type but perhaps 200hrs on average and sometimes much less. The latest Honda coils seem shorter lifed than the previous TEC version.
This wouldn't be so bad, but the genuine items are SO expensive - and I know they're only lawnmower parts.
The symptoms of failure are misfiring on full power on the affected mag and sometimes dropping out at low RPM.
Has anyone found a way round this problem? It looks like I could buy the same coil direct from Honda and simply add the HT elbow connection with the correct crimping tool - or is it not that simple?
Any ideas much appreciated.
Best regards,
Pete
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- Jab Chat -- Peter Knight, 21:30:57 08/26/09 Wed (88.105.220.235)
The July 2009 Jab Chat is now available on the Australian site. Usual good information on engine evolution etc.
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- Re: Jab Chat -- Roger, 08:56:33 08/27/09 Thu (91.84.100.137)
- A Jab330 engine in a Sport Cruiser -- Graham, 10:26:59 08/24/09 Mon (88.109.71.250)
A pal of mine is about to buy a Sport Cruiser and wants to put a Jab 330 engine in it, but is concerned about the cooling of the engine.
I said I would run it past you guys as there is bound to be someone out there with knowledge of that combination.
Is it likley to be a problem?
Comments please.
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Just joined the Jab club - purchased BYBZ -- dean, 18:02:16 08/23/09 Sun (81.158.206.16)
Hi,
I have just purchased a Jabiru SK 2200. I have approx. a30 hours on cessnas and pa28 with some taildragger and a little Jab (approx 5 hours). Just wondering if anybody could give any tips on flying jabs and most of all landing as i know they can be a little tricky. thanks in advance.
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- Radio problems -- Howard, 19:13:17 08/19/09 Wed (91.110.179.216)
Forum readers I make no apologies for starting a new thread on Ignition noise and results from the jabiru engines site on Yahoo indicate there are many problems in the field , the answer is get rid of the Jabiru coil and go for Electroair , its expensive and I cant afford it ,
So what can we do with what we have ( are there pilots who can hear signals ) from 30 miles away as clear as a bell no interferance, look down the forum and you will see Don C says nothing will change from Jabiru .
OK so we have a problem how do we deal with it ,Ralph should we screen the coil ,change the HT leads , I am happy to try and experiment to help other pilots , I dont know where to start ( screen the coil in an ali cage , ferrites on the plug leads , ferrite core leads , Paul Sistern can you locate and sell me Bougicord leads from France , they are obtainable from Australia ,
Finaly are some of you happy you hear no ignition noise at all ,please take the time to reply
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Jabiru CHT Gauge -- Clive, 09:55:11 08/17/09 Mon (129.230.248.1)
Do any of you guys with TV screens on your instruments panels have an used Jab CHT gauge that you want to sell me or swap for something?
If so clivedotjamesatbpdotcom
Ta, Clive
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- Microair Radio M760 - Transmit Failure -- Martin, 12:48:25 08/15/09 Sat (81.76.5.93)
My M760 no longer transmits but can receive fine. When the PTT is pressed it just seems to trasmit a a low pitch tone. I'm having a problem finding anyone who repairs them. Has anyone sent their radio back to Australia for repair? Thanks. Martin
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- VHF Radio Noises -- Ross Bond, 02:23:09 08/14/09 Fri (220.233.45.6)
I have just published a couple of pages on fixing stray noises in VHF radios in plastic aircraft - it is on the www.Jabiru.net.au site - click on "Manuals" in the left hand pane and then scroll almost to the bottom in the main window, look for "Troubleshooting VHF Noises JALL". Due to their odd website design I can't just link to it.
Warm regards from Bundaberg!
Ross
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- Aircraft Insurance -- Richard Kidd, 16:57:43 08/13/09 Thu (80.254.146.4)
I need to renew the insurance on my J-430 soon. I am currently insured with Traffords, but was surprised at how much my quote had increased considering I have had three years ownership without any claims.
I have submitted several online quotes but wondered if any other J-400 owners had any recomendations for insurance companies.
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Calypso Elevator Modification -- Howard, 07:43:09 08/10/09 Mon (91.110.214.187)
I was fortunate recently to spot on a 2year old jab , factory built I think a strange modification to the Elevator , it was like a long box section with dividing square holes along its length it was underneath the elevator , anyone know its purpose ,and can this mod kit be purchased ,would take a fair bit of work to fit it ,just interested why its fitted ?
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- Julian Harris Memorial Service -- Clive, 11:28:02 08/04/09 Tue (89.168.128.244)
More sad news from Dan for Julian's family.
Julian's father Peter passed away last week so there will be a joint service on this coming Friday.
The service is at St Joseph’s Church
New Zealand Road, Cardiff.
at 11a.m. 7th August 2009
All Julian's friends are very welcome.
Regards, Clive
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- Flight Testing complete G-RTFM -- Ian MacPhee, 11:41:58 08/01/09 Sat (77.57.222.39)
The tests are complete, the paperwork in the post and the excitement mounting.
I would like to publicly thank Vic for all the excellent work he has done on finishing off my J400 over the last few months and for test flying it recently. It flies like a dream and the finish is first class, and much of the credit is due to Vic.
A huge thank you also to Murray for ferrying it around and the fabulous paint finish and all the other work he did, Gary for his help throughout with advice and fitting of the autopilot, Kevin for all the help advice and inspections, Paul for all the support with parts and particularly with my Enigma setup, and also to Roger for his help and advice along the way.
A final thanks to all contributors to this forum, it has been a constant source of interest, encouragement and help along the way, please keep it up.
Now all I need is a fast turnaround by the LAA.
Happy Flying!
Ian
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- Rough running engine -- trevor, 18:55:37 07/21/09 Tue (92.23.16.161)
My Jabiru 2.2 Engine has started to run sough at low rpm upto about 1800 rpm.
After some investigations i found the pipe that come out of one of the port from the carb to the engine was loose in its fitting. So what do i use to put this back in its fitting i.e some sort of sealant.
Hopeing this will fix the problem..
trevor
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- Vibration -- Peter Knight, 08:35:28 07/17/09 Fri (88.105.143.23)
Just after take-off in G-PHYZ (J430) I often get a slight but distinct vibration. It is not the main wheels as applying the handbrake has no effect and I don't think it is the nosewheel as I don't feel anything through the rudder pedals. The effect appears to be independent of the engine revs and only affected by airspeed and angle of climb.
This isn't a big deal but has anyone else noticed a similiar effect or got any bright ideas of what it might be.
Peter
P.S. Nothing is felt through the control column either!
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Replies:
- Re: Vibration -- Vic, 09:44:16 07/17/09 Fri (82.21.100.235)
- Re: Vibration -- Simon, 20:39:29 07/20/09 Mon (82.153.54.105)
- Re: Vibration -- Peter Knight (Possible Conclusion), 23:46:41 07/22/09 Wed (88.105.157.1)
- misfiring -- jeremy metcalfe, 18:07:51 07/16/09 Thu (84.67.232.110)
Whilst flying this afternoon with temperature at my carbi of 22 degrees after a reasonably long climb out to 2000ft I decided to descend to 200 feet on a very low throttle setting of about 1500 rpm. All went well until I applied power to climb away. The engine misfired (pretty violently) for about 20 secs and eventually started to run smoothly again once on full power but only after I had applied the electric pump. I only fly on AVGAS which makes me question whether or not this was a vapour lock. I would certainly appreciate any views and to learn who else out there has had a similar problem.
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- Jabiru Extras -- Vic Leggott, 14:14:59 07/12/09 Sun (82.21.100.235)
I've been away on hols for a couple of weeks and like a sad person, took my laptop with me.
This means I've had time to tidy up my web page with info on bits and bobs available for the Jabs plus Landing light units for non Jabs. I've also added gear leg fairings due to a request from someone who wanted a set made, plus wing / strut fairings and nose wheel spat front sections.
Jabiru have thrown away the molds from most of the non current designs. Although not shown yet, I also have the gear leg underside screw on 'fairing sections' where the gear leg clamp is, as found on the J400 / 430. These tend to go missing!
here is a direct link to the page: http://www.leggott.flyer.co.uk/extras.html
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- Nice job Vic -- Clive, 19:26:15 08/13/09 Thu (129.230.248.1)
- Radio problem -- Jeremy Metcalfe, 17:03:34 04/28/09 Tue (84.66.75.152)
I have an Icom A200 which normally works pretty well but from time to time especially after I have been flying even for short periods, on landing, whilst I am perfectly able to receive messages, however; when I transmit, the person or tower cannot make head nor tail of my message. In my headphone I hear a strange noise rather like feed back. The only way I can communicate is to turn off my engine and then the radio works faultlessly. HELP! Anyone got a clue as to (a) what is happening and (b) how do I cure the problem.
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The thumb's the wrong way up....:-( (NT) -- Clive, 15:44:43 11/01/09 Sun (129.230.248.1)
Sounds Interesting -- Clive, 19:24:37 10/20/09 Tue (212.183.140.20)
Re: Transition to J-230 -- Vic, 07:04:01 10/16/09 Fri (82.21.104.66)
Thanks guys -- Clive, 18:49:18 09/07/09 Mon (86.157.210.7)
Re: Flight Testing complete G-RTFM -- Murray Flint, 20:12:40 08/01/09 Sat (86.156.70.225)