Today's Message Index:
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1. 03:41 PM - Re: tip up (Don Hall)
2. 05:33 PM - Engine for sale (J2j3h4@aol.com)
Message 1
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--> RV7-List message posted by: "Don Hall" <dhall@donka.net>
This thread was very helpful. Thanks to all.
Only thing missing is pics showing some of the things mentioned.
If you have them, can you forward links or attachments?
Thanks!
******************************************
Don Hall
N517DG (registered)
rv7 fuselage
http://rv7.donka.net
******************************************
-----Original Message-----
From: owner-rv7-list-server@matronics.com
[mailto:owner-rv7-list-server@matronics.com] On Behalf Of Scott
Sent: Friday, August 04, 2006 12:33 AM
Subject: Re: RV7-List: tip up
--> RV7-List message posted by: "Scott" <scott@randolphs.net>
My tip up did leak in flight, and did cost me a radio repair as a result. I
spent a bit of time working on it and it's been dry for a year now, though
it's probably only a matter of time before it leaks again.
There are several areas of concern:
The front edge of the canopy needs a good rubber seal that fills the whole
gap tightly. This can be tricky to accomplish, especially at the lower
front corners which have to "slide" over the side of the fuselage. This is
a less critcal area, though, as it's not likely water will get from there to
something expensive. When I finally got my installed correctly and tightly
enough to avoid leakage I then had to deal with whistles from air flow
sneaking past, though I eventually whittled them away by gluing in little
bits of foam here and there to fill gaps and damp vibrations in the seal.
The bigger problem is the hinges. I've not looked at the details on the -7
but I _think_ they're very similar to what's on my -6 and it's really tricky
to get it sealed up over the top of the hinges as they extend so close to
the forward skin and need to come up and forward as the canopy opens. If
you're careful triming the skin in this area to leave yourself enough
backing for the seal you'll probably be okay. I had to rely on stuffing it
full of profressional grade caulk and then carving out enough room for the
hinge to travel. Ugly but it did finally work.
The third thing to watch out for are rivets and seams where the skin
attached to the bulkhead and makes the seat for the front of the canopy. In
my plane there are a few small holes where the bulkhead was notched to
folder over in the curve and aren't _quite_ covered by the forward skin.
These have also been filled with caulk. (thankfully they're not visible
with the canopy down)
Finally, I have some pop rivets in my canopy assembly that needed to be
filled with caulk where the stem "popped" out and left a hole in the middle
of the rivet.
I've definitly heard folks compaining about leaks in their sliders too. For
what little it's worth, though, if I had it to do again, I think I'd go
slider and sacrafice the uninterrupted view (which IS spectacular) so that
if water got in it landed on my head and upolstry instead of my panel.
There is also the issue of rain on the ramp and getting wet behind the panel
just getting into the aircraft (which also happened to me).
I've not done it yet, but some kind of removable "splash shield" over the
top of the avionics to protect them has been lurking in the back of my mind
for a while.
Scott
RV6a
550 hours
Message 2
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Since I have been informed that I cannot pass my medical, I am forced to
abandon my RV 7 project and have an engine for sale. It is a Lycoming 0-320 (no
suffix - this is apparently one of the earliest) complete with mags, carb,
alternator, & starter (no flywheel/starter ring). It has a hollow crankshaft
to allow the use of a constant-speed prop. I have the logs for the engine. In
the log book, the designation TC #274 follows the model number. The serial
no. is 3876-27. It is the 150 HP version and can run on auto gas. The first
log entry was 5/14/56. The engine was removed from a Piper-20-150 on 6/1/93
for replacement by a larger engine and has been in storage ever since. At the
time of its removal it had 1995 hours SMOH and 4399 total hours. It is
located at Ellington Airport (LUG) near Lewisburg, TN.
Based on similar engines I have seen advertised, I am asking $6500 and will
provide free shipping at this price, but will consider reasonable offers.
Jim Hasper
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