REFLECTOR: roll trim

[Laurence Coen]

Forget what I said.  You're right and I'm backwards today.  What I said about being OK with two onboard is still likely.

Larry Coen
N136LC


From: Laurence Coen 
Sent: Wednesday, March 25, 2009 12:15 PM
To: Velocity Aircraft Owners and Builders list 
Subject: Re: REFLECTOR: roll trim


Doug,

If your plane tends to roll right as you have indicated, adding a shim at the top right wing bolt will reduce the angle of attack of the right wing and increase the roll to the right.  That puts you back where you started.  Right wing bottom bolt shim is where you want to go.  I would like to point out that if you're that close solo, you're probably bang on for two souls.

Larry Coen
N136LC


From: Douglas Holub 
Sent: Wednesday, March 25, 2009 11:44 AM
To: reflector at tvbf.org 
Subject: REFLECTOR: roll trim


I removed the large area washer shim from the top outboard wing bolt, but I've still got a slight drift to the right when flying hands-free. It's not much; my hand just needs to rest against the stick to get it to fly straight. As luck would have it, removing the shim actually helped my cowl to fit better on that side. 

So now I guess the next step would be to add a shim on the right outboard top wing bolt hole. But the cowl fits perfectly now, and I'd like to keep it that way. 

I've got an EZ-Pilot for aileron trim. If I shim the wings to fly straight and level flying solo, will I still need to trim with a passenger on the right side? 

I'm pretty pleased with N2980W's performance so far: 165 kts true at 6000 feet turning 2550 RPMs with ECI's parallel valve IOX-360, a fixed pitch 2-blade prop, and no wheel pants.

Doug
Standard FG w/ electric nose lift
9.6 hours down, 30.4 to go (but who's counting?)


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