Today's Message Index:
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1. 01:05 PM - picture wanted (Oscar Zuniga)
2. 05:23 PM - Re: Starting Troubles. (Gary Gower)
Message 1
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--> Pietenpol-List message posted by: "Oscar Zuniga" <taildrags@hotmail.com>
Anybody have a picture of a side view of a Piet (any Piet) with a passenger
in the front cockpit? Please send it to me off-list or if it's on a
webpage, send me the URL. I'm trying to get an idea of geometry and general
physical arrangement.
Thanks!
Oscar Zuniga
San Antonio, TX
Message 2
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Subject: | Re: Starting Troubles. |
I think Steve has a point in this posting. I have heard about it for long time.
The reason could be that the carb heat, making the air go though all that places,
makes it dificult and doing some suck of the gasoline in the carb, similar
as a butterfly choke acts, orf the hand over the old grass cutter engine, this
to get more gasoline in the system, Some pilots use it in cold weather when
they think that too much primer could flood the engine with crude gasoline.
Using the carb heat will finally make a little richer than normal air/gasoline
mist go inside the ignition camera, helping the correct fire and for this reason
the start of the engine.
At least this is the way I have undertood it. I could be wrong.
Saludos
Gary Gower
Mark Blackwell <markb1958@verizon.net> wrote:
--> Pietenpol-List message posted by: "Mark Blackwell"
----- Original Message -----
From: "Steve Eldredge"
Sent: Monday, February 13, 2006 10:39 AM
Subject: RE: Pietenpol-List: Starting Troubles
> --> Pietenpol-List message posted by: "Steve Eldredge"
>
> going to full carb heat on cold days works wonders when hand propping
> too.
>
> stevee
>
Carb heat for most engines will do absolutely nothing till the engine is
running. All it does is pull unfiltered air by the exhaust manifold to warm
it before sending it to the in carb. All it will do till the engine is
running is allow for something to get pulled into places you don't want it.
Things like ice, slush ect can make for an annoying if not expensive day.
When an engine doesn't start properly, there is a reason. Just because it
will sooner or later go doesn't mean the problem is not there and rarely if
ever do airplane parts wind up on a clearance sale. Might as well find and
fix the problem.
I suspected it might be the impluse coupler and the previous post confirmed
it. That should fix the problem. Just be glad you only got tired arms to
find. it. I know of one case where a company renting a 152 had the same
problem with the same symptoms. They just kept cranking on it until they
had to fix not only the impluse coupler which is expensive enough, but also
had to replace the $500 starter to go with it. When an airplane does not
work like it should, its trying to tell you something. Those that are wise
listen.
Mark
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