Today's Message Index:
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0. 12:56 AM - Just Two Days Left... (Matt Dralle)
1. 06:49 AM - Housai prop - VERY slow spin on start - help (keithmckinley)
2. 07:54 AM - Re: Housai prop - VERY slow spin on start - help (Bitterlich, Mark G CIV NAVAIR, WD)
3. 01:19 PM - Re: Housai prop - VERY slow spin on start - help (Kelley Monroe)
4. 05:49 PM - Re: Cj6a fuel pump outlet fitting needed (Dale)
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| Subject: | Just Two Days Left... |
Dear Listers,
There are just a couple days left for this year's List Fund Raiser. If you've
been putting off making a Contribution until the last minute, well, this is it!
The last minute, that is... :-) There are some GREAT new gift selections to
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something you can't live without too! And, best of all it supports your
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Please remember that there isn't any sort of commercial advertising on the Lists
and the *only* means of keeping these Lists running is through your Contributions
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Thank you!
Matt Dralle
Matronics Email List Administrator
Message 1
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| Subject: | Housai prop - VERY slow spin on start - help |
Just went out the other day and flew two flights, 1 hour apart. The second start
was worse than the first. Excellent air pressure on both, I did not check the
bat voltage during start. The prop barely turned after depressing the start
button. I could not hear any air leaking and the prop did not hang up in any one
spot (ie broken air line to cyl). Just turned painfully slow. Both times I
pulled the prop through numerous time as I always do prior to start.
Any thought on this one gents?
Thanks,
Keith
--------
Keith McKinley
700HS
X26 Sebastian, FL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=414512#414512
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| Subject: | Housai prop - VERY slow spin on start - help |
Besides some kind of blockage in the air system, there is a possibility that your
start valve is not opening fully, which it can do right before total failure.
If your model has the manual lever on the side to open it, I would suggest
trying it out and see if the prop spins normally. I am not suggesting you start
it this way except when there is no other choice, but if you use the manual
valve lever and it spins normally, then you can pretty much feel safe that
you have figured out what is wrong.
You also brought up a very good point about battery voltage. Just for the record,
I have run into a lot of battery issues over the years with both ALL of these
aircraft. Since the battery is not used to crank a starter, and really requires
very little energy during start, people tend to ignore and never test the
batteries. A crude but effective test is just to hook a 24 volt landing light
up to your batteries while you also have a voltmeter connected to them. If
the battery voltage drops to below 20 volts, they are SHOT. Flying with batteries
in this condition is also a good way to cause damage to avionics. And
yes, very low battery voltage during start will cause the starter valve not to
open fully. So battery voltage would be the very first thing to check.
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-server@matronics.com] On Behalf Of keithmckinley
Sent: Friday, November 29, 2013 9:49 AM
Subject: Yak-List: Housai prop - VERY slow spin on start - help
Just went out the other day and flew two flights, 1 hour apart. The second start
was worse than the first. Excellent air pressure on both, I did not check the
bat voltage during start. The prop barely turned after depressing the start
button. I could not hear any air leaking and the prop did not hang up in any one
spot (ie broken air line to cyl). Just turned painfully slow. Both times I
pulled the prop through numerous time as I always do prior to start.
Any thought on this one gents?
Thanks,
Keith
--------
Keith McKinley
700HS
X26 Sebastian, FL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=414512#414512
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| Subject: | Re: Housai prop - VERY slow spin on start - help |
Also check the gasket between the tach generator and the spider housing. If
you have the manual starter valve you should be able to hear the air leaking
while the lever is depressed. Doug Sapp has these gaskets in stock. Kelley
----- Original Message -----
From: "keithmckinley" <cetopfed@gmail.com>
Sent: Friday, November 29, 2013 8:49 AM
Subject: Yak-List: Housai prop - VERY slow spin on start - help
>
> Just went out the other day and flew two flights, 1 hour apart. The second
> start was worse than the first. Excellent air pressure on both, I did not
> check the bat voltage during start. The prop barely turned after
> depressing the start button. I could not hear any air leaking and the prop
> did not hang up in any one spot (ie broken air line to cyl). Just turned
> painfully slow. Both times I pulled the prop through numerous time as I
> always do prior to start.
>
> Any thought on this one gents?
>
>
> Thanks,
>
> Keith
>
> --------
> Keith McKinley
> 700HS
> X26 Sebastian, FL
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=414512#414512
>
>
>
Message 4
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| Subject: | Re: Cj6a fuel pump outlet fitting needed |
Got it Thanks
Dale
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=414543#414543
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