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  #11  
Old 04-11-2018, 07:09 AM
rv7charlie rv7charlie is offline
 
Join Date: May 2006
Location: Pocahontas MS
Posts: 2,678
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Wise move; getting it out of the cowl. But do remember that if you leave an unsealed hole in the belly (to access its drain), there's a fairly high risk of sucking exhaust gas (CO) into the cockpit. Most of the RVs (most low wing canopy'd a/c, probably) seem to have negative pressure in the cockpit.
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  #12  
Old 04-11-2018, 08:51 AM
Lars Lars is offline
 
Join Date: Nov 2005
Location: Davis, CA
Posts: 983
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Quote:
Originally Posted by David Paule View Post
Thanks, everyone!

I've decided to make my own. It will be mounted on the floor in front of the spar bulkhead, and be accessible from outside the airplane. It will have a more straight-forward, easier locking device. Like the Aerolab in some major ways, it'll be considerably simpler. In fact, it'll be homebuilt.

Dave
Looking forward to seeing details of that!
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Lars Pedersen
Davis, CA
RV-7 Flying as of June 24, 2012
600 hours as of April 9, 2018
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  #13  
Old 04-11-2018, 09:44 AM
David Paule David Paule is offline
 
Join Date: Dec 2009
Location: Boulder, CO
Posts: 3,362
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Quote:
Originally Posted by rv7charlie View Post
Wise move; getting it out of the cowl. But do remember that if you leave an unsealed hole in the belly (to access its drain), there's a fairly high risk of sucking exhaust gas (CO) into the cockpit. Most of the RVs (most low wing canopy'd a/c, probably) seem to have negative pressure in the cockpit.

Like the Aerolab, mine will be sealed to the floor.

I'd like to include a remote drain cable but haven't got that figured out yet. At this point that's a "nice to have if I can do it" feature, rather than a "must."

I won't be able to meet with a machinist friend until next week. So I've got a little time to figure this all out. Unavoidably, some parts will need to be machined.

Dave
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