Today's Message Index:
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1. 01:51 PM - Check Valve For Static System Cabin Venting... (Matt Dralle)
2. 04:57 PM - Instrumentation Checkout - HDTV Video (Matt Dralle)
3. 07:49 PM - Re: Check Valve For Static System Cabin Venting... (Matt Dralle)
Message 1
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| Subject: | Check Valve For Static System Cabin Venting... |
Dear Listers,
Looking at the requirements for IFR certification of the RV-8, it looks like the
only thing I don't have is an "alternate static source". This seems like it
would be as simple as adding a "T" valve in the 1/4 neoprem static air tube that
goes along under the left hand canopy rail.
Does anyone have any suggestions on something I could just cut the tube and stick
in line with a little thumb screw to switch between the fuselage or cabin source?
I'm assuming this will meet the requirement?
Thanks!
PS - Attached are a couple of pictures from Taxi-testing and Magnetometer calibration
this weekend. Cool?
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com - Matt's RV-8 Construction Log
Status: Final Bits/Inspection/Test Flight
Message 2
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| Subject: | Instrumentation Checkout - HDTV Video |
Dear Listers,
Last week I ran the IO-390 on the RV-8 for about 12 minutes and went though and
checked all of the various systems and sensors. I talked though the each of
the things as I was checking them in an HD video I edited of the session.
Thought some might find it interesting...
http://www.youtube.com/MattsRV8?v=-byMWhyTwjA
.
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com - Matt's RV-8 Construction Log
Status: Final Bits/Inspection/Test Flight
Message 3
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| Subject: | Re: Check Valve For Static System Cabin Venting... |
At 03:53 PM 4/19/2010 Monday, you wrote:
>--> RV-List message posted by: Linn Walters <pitts_pilot@bellsouth.net>
>
>Matt, cut the tubing, insert a 'T' with a short stub of tubing. Put a plug in
the tube of a type that you can pull out easily if needed.
>Simple, light, and inexpensive.
>Linn
>Matt Dralle wrote:
>>Dear Listers,
>>
>>Looking at the requirements for IFR certification of the RV-8, it looks like
the only thing I don't have is an "alternate static source". This seems like
it would be as simple as adding a "T" valve in the 1/4 neoprem static air tube
that goes along under the left hand canopy rail.
>>
>>Does anyone have any suggestions on something I could just cut the tube and stick
in line with a little thumb screw to switch between the fuselage or cabin
source?
>>
>>I'm assuming this will meet the requirement?
>>
>>Thanks!
What a great idea, Linn! Thanks. Here's what I did tonight including a couple
of pictures...
I added a small "T" Nylon fitting in the 1/4" tube for static air just in front
of the instrument panel under the left cockpit rail. I cut a short piece of
1/4" tubing and filled it with black RTV and then put a piece of heat shrink tubing
over it to form a handle. The whole thing fits nicely under the cockpit
rail and from the pilot's position is just barely visible, yet can be accessed
easy. In the event that icing conditions occur, the fitting can be unscrewed
and the plug removed for cabin venting.
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com - Matt's RV-8 Construction Log
http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
Status: Final Bits/Inspection/Test Flight
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