Today's Message Index:
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1. 10:02 AM - Re: Anyone in Madison? (GreasySideUp)
2. 02:32 PM - Yak spares for sale... UK based. (Nigel Willson)
3. 03:24 PM - YAK-52 Attitude Indicator (AI) (Fred Schlafly)
4. 07:17 PM - Re: YAK-52 Attitude Indicator (AI) (Roger Kemp MD)
5. 08:02 PM - Re: Pop-off valve (Roger Kemp MD)
Message 1
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| Subject: | Re: Anyone in Madison? |
Thanks fellas!!!! I have pointed him to this thread so hopefully he'll be in touch
soon.
I think he may be considering Pipers and Cessnas and the like so try and sway him
a little to the dark side of Russian ownership!!
Thanks again, it is much easier to describe when he is looking at one up close.
-j
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=191459#191459
Message 2
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| Subject: | Yak spares for sale... UK based. |
Recent radio problems (unrelated to the items below due to box changes not
curing it) have led to the installation of a new modern radio.
Consequently, I have the following for sale: Sensible offers please. Items
are in the UK. Postage costs on application once a sale price has been
agreed since some items are quite heavy to post.
All items from Yak52.
BAKLAN 5 radio
BAKLAN 5 Radio Frequency selector (front cockpit pilot control)
Intercom unit (box with multi-way connector that sits between front and back
cockpits).
Intercom selector panel (with intercom volume and adf volume control and
switches).
ADF unit (from rear of aircraft).
ADF control panel (front cockpit).
Email me off list if easier.
nigel@yakdisplay.com
Message 3
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| Subject: | YAK-52 Attitude Indicator (AI) |
Has anyone had these AI rebuilt or found a suitable replacement for them,
such as the Falcon electric AI for about $1200, etc?
Fred Schlafly
1995 YAK-52
Message 4
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| Subject: | YAK-52 Attitude Indicator (AI) |
Rebuilt no. Changed mine out for a Dynon D10A. Others have put in Blue
Mountain EFIS's. I hear product support after purchase is not so good but
have no experience with the product. I can say that I am very happy with my
D10 and the company stands behind their product if you have a problem or
question. The real kick is when you call for tech support...you talk to a
real human that actually helps to answer your questions.
Doc
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Fred Schlafly
Sent: Sunday, July 06, 2008 5:21 PM
Subject: Yak-List: YAK-52 Attitude Indicator (AI)
Has anyone had these AI rebuilt or found a suitable replacement for them,
such as the Falcon electric AI for about $1200, etc?
Fred Schlafly
1995 YAK-52
Message 5
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Better yet buy a new pop off valve from Gill or Steve Culp. At the least get
a new piston, seal and spring from Jill. George Coy also has them.
I don't think I would put the washers in ever. You are lucky the tank did
not let go.
Doc
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Robert Langford
Sent: Friday, July 04, 2008 4:57 PM
Subject: Re: Yak-List: Pop-off valve
John:
I would be concerned about the pressure building to 8. assuming the gauge
is correct, you are building pressure to some 1,175 PSI. Too much for the
system. You are correct that Approx. 5.5 is the ideal pressure.There should
be no washers in the release valve, apparently someone has added those. I
would not be concerned if I could maintain 4.5 after leakdown as this is
enough air for a start. Try it with some of the washers removed. If you can
maintain enough air, go with that.
Robert
----- Original Message -----
From: John Graham <mailto:cubflyer1940@yahoo.com>
Sent: Friday, July 04, 2008 3:20 PM
Subject: Yak-List: Pop-off valve
Happy Fourth of July! I am having an issue with my pop-off valve. If I
leave the snot valve in during cruise, the main air pressure climbs to over
8 on the scale (80 ATMs). If I cruise with the snot open, it will not climb
much above 5. When I land and it is at 8, the pop-off valve slowly hisses
for an hour or more and slowly reduces to about 4.5. The snot valve does
GUSH air when opened after cruise if it has been left in (i.e., it works).
I disassembled the pop-off valve on the firewall and removed the spring -
looked fine, but I am not sure if it is the right one and have no idea how
to verify if it is the correct size spring. Also, there were 3 little round
washers at the bottom of the spring - almost as if they were in there for
spacing purposes. Is this normal?
So...I am at a loss as to what to do. We have tried to adjust the nut on
the pop-off valve but can't seem to dial it in to pop at the right pressure
(I presume the optimal pressure to pop would be 5.5).
Any ideas?
John P. Graham
CubFlyer1940@Yahoo.com
Cell phone (630) 390-9451
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7/3/2008 7:19 PM
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