wash-out

[ronlock]

I'm not aware of any current pattern designs that use wash-out.
It' generally used to improve low speed landing characteristics.
Not of much or any use in a pattern ship.

Dihedral is a matter of having the "right" amount.  Not enough
dihedral results in the plane rolling onto it's back when you 
apply rudder in knife edge.  Too much dihedral and it will
roll toward the belly.

Ron Lockhart
----- Original Message ----- 
From: "Zapata, Lisandro A." <LAZapata at pbsj.com>
To: <discussion at nsrca.org>
Sent: Wednesday, October 02, 2002 2:08 PM
Subject: wash-out


> Somebody one day mentioned me that he use some pattern planes with small
> wash-out.
> Any good/bad comments in the use of wash-out
> You need more or less corrections. Behavior at different speeds???
> 
> And, Have anybody try to fly a plane with 0 dihedral (no use flat top of
> wing dihedral = small dihedral)
> It helps in anything??
> 
> Arturo Z.
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> 


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