Today's Message Index:
----------------------
1. 03:53 AM - accelerator jet mod (Cpayne)
2. 04:30 AM - Re: accelerator jet mod (A. Dennis Savarese)
3. 06:12 AM - Re: engine shutter vane adjustment (barryhancock)
4. 08:41 AM - Re: Acro and forwartd CG (Bill1200)
5. 09:50 PM - Looking for info from pilots who have used TruTrac APs in a CJ. (Hal)
6. 11:03 PM - Re: Looking for info from pilots who have used TruTrac APs in a CJ. (Genzlinger, Reade)
Message 1
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| Subject: | accelerator jet mod |
I have tried this mod and it does "work". However what it does is disable your
accelerator circuit. I use the .9mm jet and only get a marginal stumble. The
price you pay by disabling the circuit is to lose top end power as the accelerator
circuit is open with full throttle.
The difference is some manifold pressure and horsepower. If the carb is properly
adjusted, and the engine tuned, you will rarely see any stumble.
I could also say that if the problem shows up mainly in formation flight, your
problem may be one of wingman technique. Anticipate, don't get caught in the sucked
position when lead turns away from you and you suddenly cram the throttle
forward.
The other scenario is the go-around. that is a maneuver that should aways be executed
smoothly in a complex airplane.
Just some opinion here.
Craig Payne
Message 2
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| Subject: | Re: accelerator jet mod |
That is why swapping the jets instead of plugging the jet seems to work
extremely well. ie: the accelerator pump is not disabled.
Dennis
----- Original Message -----
From: Cpayne
To: yak-list
Sent: Wednesday, October 21, 2009 5:47 AM
Subject: Yak-List: accelerator jet mod
I have tried this mod and it does "work". However what it does is
disable your accelerator circuit. I use the .9mm jet and only get a
marginal stumble. The price you pay by disabling the circuit is to lose
top end power as the accelerator circuit is open with full throttle.
The difference is some manifold pressure and horsepower. If the carb
is properly adjusted, and the engine tuned, you will rarely see any
stumble.
I could also say that if the problem shows up mainly in formation
flight, your problem may be one of wingman technique. Anticipate, don't
get caught in the sucked position when lead turns away from you and you
suddenly cram the throttle forward.
The other scenario is the go-around. that is a maneuver that should
aways be executed smoothly in a complex airplane.
Just some opinion here.
Craig Payne
Message 3
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| Subject: | Re: engine shutter vane adjustment |
Another thing it could be is simply the spring is missing from the knob assembly,
and/or it's assembled wrong (wrong washers, etc). Good luck!
--------
Barry Hancock
Worldwide Warbirds, Inc.
www.worldwidewarbirds.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=268789#268789
Message 4
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| Subject: | Re: Acro and forwartd CG |
Thanks again, good info from all.
I do fly a 52 with Russian avionics removed and ballast weight in place. The values
I found for CG (I think from the yakuk site) are; -12.91 to -6.77 utility
and -9.36 to -6.77 for acro. When I fly solo, full fuel, 12 qts oil, I'm at -13.47!!
I'll definitely be more aware of whats going on during the flare
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=268811#268811
Message 5
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| Subject: | Looking for info from pilots who have used TruTrac APs in a |
CJ.
I am considering installing a TruTrac autopilot in my CJ. If you have
experience flying with one of these units in your CJ I would appreciate
hearing what your experience has been like. Strengths, problems?
Thanks. Please contact me off line at Yakjock@gmail.com or 503-704-6559.
Best regards,
Hal Morley
Message 6
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| Subject: | Looking for info from pilots who have used TruTrac APs in |
a CJ.
Hal:
I just purchased a Yk-52TD that the prior owner set up with a DigiTrak
II AP from TruTrac. It is coupled to a Garmin 430 and seems to work
quite well. I've only tested it locally (no cross country or IFR
approaches yet!). the servos handle pitch and roll just fine (i.e.
pretty smooth and stable). Not sure which servos are installed - I
believe Cliff Coy at Gesoco did the install. I've only had the TD for 4
weeks. Been spending most flights doing aerobatics! The stock 52 is
fun but this thing is great.
Reade
Reade Genzlinger
Cairnwood Cooperative Corporation
mailto:readeg@cairnwood.com <mailto:readeg@cairnwood.com>
215.914.0370
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Hal
Sent: Wednesday, October 21, 2009 10:46 PM
Subject: Yak-List: Looking for info from pilots who have used TruTrac
APs in a CJ.
I am considering installing a TruTrac autopilot in my CJ. If you have
experience flying with one of these units in your CJ I would appreciate
hearing what your experience has been like. Strengths, problems?
Thanks. Please contact me off line at Yakjock@gmail.com or
503-704-6559.
Best regards,
Hal Morley
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