Today's Message Index:
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1. 01:41 AM - Re: Yak 55M Throttle Cable (Richard Goode)
2. 11:12 AM - Re: Voltage question and start (Roger Kemp)
Message 1
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| Subject: | Yak 55M Throttle Cable |
I can't speak specifically for the 55, but over the years we've had quite a
lot of issues with throttle control cables on Yaks which do tend to become
sticky and therefore imprecise in operation. There is a particular issue
with the 55 with (typically) no carburettor heat, and the first sign of
carburettor icing is that the throttle jams, and in such circumstances, you
can get rid of it by vigorous throttle movement, but if the ice has
seriously developed there is nothing you can do to reduce the power setting!
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Jason Bialek
Sent: 20 May 2017 21:41
Subject: Re: Yak-List: Yak 55M Throttle Cable
Richard Goode or others who have had more than one Yak 55m may be better to
reply, but I have never heard of a throttle cable issue on a Yak 55m
Have you confirmed your pressure carburator is not showing signs of
defect/trouble? if you have a solid connection between the throttle and the
carb and no binding or roughness, it may be better to look at the carb. You
may also want to check for intake leaks if it's inconsistently holding power
at a constant throttle and prop rpm setting when taxiing or airborne.
Finally, when trying to go to idle power, if you have carb ice, it will stay
at higher rpm even with throttle at idle until the icing clears. (instead of
28% it can be as high as 42% and won't go lower)
Jason Bialek
used to own Yak 55m 326JB based at KAWO
(still having seller's regrets, but happy for new owner)
_____
From: owner-yak-list-server@matronics.com
<mailto:owner-yak-list-server@matronics.com>
<owner-yak-list-server@matronics.com
<mailto:owner-yak-list-server@matronics.com> > on behalf of Jason .
<jason360@hotmail.com <mailto:jason360@hotmail.com> >
Sent: Friday, May 12, 2017 7:53 PM
Subject: Yak-List: Yak 55M Throttle Cable
Has anyone ever had to replace a throttle cable on the Yak 55M? I have been
having an erratic throttle lever to power setting issue (lever position not
matching power output). Suspecting the throttle cable is the issue. Anyone
ever encounter this?
Thank you
Jason
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Message 2
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| Subject: | Re: Voltage question and start |
Question, do you turn your avionics on before engine start? If so I would put all
the protection I could find in line before I unleashed that arc welding generator
sitting on top of the accessory case.
Doc
Sent from my iPad
> On May 20, 2017, at 2:14 PM, "greg.barnhard@gmail.com" <greg.barnhard@gmail.com>
wrote:
>
>
> Good afternoon everyone,
>
> You'll have to forgive my lack of knowledge when it comes to electricity. It
has always been a weak subject of mine.
>
> I'm installing a Garmin G3X touch with a few of the other gizmos associated with
it in my Yak-52W.
>
> When the master comes on, the PFD will power on along with the engine monitoring
information. Garmin offers a GAD 27 which allows for voltage stabilization
for start. My question is, I shouldn't need that for my setup since the electrical
power is used to open the start valve and power the shower of sparks, right?
Those two items shouldn't cause voltage spikes, correct? I believe the GAD
27 voltage stabilization is for those who use conventional electrical starters
with high draw, etc.
>
> Can someone please set me straight?
>
> Thanks!
> Greg
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=469464#469464
>
>
>
>
>
>
>
>
>
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