Re: [ULF-1] No dihedral in ULF-1?

From: Member 9
Date: 2010-02-19 23:44 UTC
Message: #0226

Hello Chris,

thank you for your professional statement, there is nothing to add.

Dieter


----- Original Message ----- 
From: "Member 18" <[email]>
To: <[email]>
Sent: Friday, February 19, 2010 10:39 AM
Subject: Re: [ULF-1] No dihedral in ULF-1?


>A high wing design with a large vertical tail often needs little or no 
> dihedral for satisfactory roll stability. At low airspeeds the ailerons 
> need to be powerful enough to overcome stability in order to give 
> satisfactory roll control down to touchdown speeds. The wing actually 
> has some dihedral in that the top surface is horizontal and the bottom 
> is tapered upward from root to tip.
> 
> Chris
> 
> Member 1 wrote:
> 
>> I've wondered that too. Dieter, are you with us?
>>
>> Doug
>>
>>
>> On [phone]:28 PM, Member 55 wrote:
>>
>>> Can anyone comment on why there is no dihedral in the ulf-1?  Does 
>>> some other feature give some roll stability?
>>>
>>> Thanks,  Bret
>>
>>
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> 
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