Doug Smith
Doug Smith
@doug-smith
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Joined: May 24, 2018
Last seen: Jul 27, 2019
Topics: 0 / Replies: 82
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RE: Gen 4 fuel pressure

Hi Rob, We change the float valve seat... requires special tools etc so you're best off returning the carby to the nest to get the work done. Regards,...

3 years ago
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RE: Cylinder Head Repair

Hi, nice handle! Welding the heads isn't a factory approved procedure, no. The welded material and the weld heat affected zone will be essentially in...

3 years ago
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RE: Hold down nuts

Hi, There was a configuration of 2200 engine which had the 12 point nuts overhanging the end of the studs a little - about 0.060" from memory - which ...

3 years ago
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RE: Welsh plug leak

New one to me, but it wouldn't be impossible... Should be possible to change that plug in-situ, with a little ingenuity. Or some Loctite "wick-in" se...

3 years ago
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RE: New air intake positioning.

Hi Alan, Yes and yes. Suggest you contact Jabiru direct by phone or email for details, approvals etc. Regards, Doug.

3 years ago
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RE: 2200 EGT Balance front to back

Hi Allan, That's a difference worth looking at I'd say, if for no other reason than making sure the sensors are reading correctly. The usual place to ...

3 years ago
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RE: Missing Beats at mid range RPM

Hi Len, Those fuel flow numbers are a little low, so yes, it's possible you're running a bit lean on at least 1 cylinder. I have a vague memory that ...

3 years ago
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RE: How to SEARCH forum posts?

I have a little magnifying glass icon on my login on the toolbar and can click on members names to get that sort of info, but that's the moderator log...

3 years ago
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RE: CHT and EGT Jabiru 33A

Hi Peter, Sounds like a fun machine! Regarding CHT's, I usually say that "lower is better", and your figures are getting up there a little. But, as t...

3 years ago
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RE: High EGT's at WOT

Normally there is a washer there, but I can't say what effect it has. The normal fix to a high EGT at WOT will be to put a bigger main or needle jet i...

4 years ago
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RE: PilotoViejo

Hi Jim, EGT gives you a good idea of what temperatures are in the combustion chamber and tells you how well the carburettor is working. It's not norm...

4 years ago
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RE: 5100 oil system

Hi Roger, If the valve is bouncing it's because it's being excited at a frequency at or close to its resonant frequency. Reducing the spring tension ...

4 years ago
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RE: Low oil pressure Gen 4 3300

Hi, I know you've checked the continuity of the sensor, but some EMS systems cater for different sensor types and, long story short, plugging in a sto...

4 years ago
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RE: Jabiru 3300 AMP Gauge Ranges

Hi John, If those values aren't in your Flight Manual then they don't exist, formally... you can set some yourself but they'd be "for info only". 17A...

4 years ago
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RE: Control Cables

Hi Kurt, All Jabirus use push-pull cables for primary controls, in the 3/16" size (that's the size of the inner core and the thread on the moving part...

4 years ago
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