I had installed a belly board on my old Kr. It was just in front of the rear 
spar and actuated with a linear actuator. I believe the board was 30 inches 
by 6 inches. I noticed little to no change in pitch when deployed, but did 
add bunch of drag. Something I should have done to that plane years ago. My 
present KR has stock flaps and there is a big change in nose down pitch when 
deployed.


Roger Bulla
rbulla2 at wic.net

-----Original Message----- 
From: Mark Langford
Sent: Sunday, February 09, 2014 8:26 PM
To: KRnet
Subject: KR> belly board flying characteristics?

I'm about to hang a belly board on N891JF, so I'm doing a little research. 
I plan on putting the hinge point underneath the main spar, and would expect 
deploying the flap would nose the plane down, requiring nose up trim to 
compensate.  That's how the flaps on N56ML work, at least.  Does anybody 
experience different results from a belly board, and if so, where's the 
hinge point for your belly board?

Thanks,

Mark Langford
ML at N56ML.com
website at http://www.N56ML.com
--------------------------------------------------------

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