>Are you using a light spring balance in the top of the control stick ?
No, I was just doing it by 'feel' ... but perhaps I ought to be using a
balance.
Regards, Lloyd.
-----Original Message-----
From: Plantragg Developments <ptag.dev@ukonline.co.uk>
<lloyd.owens@lineone.net>; Rowland and Wilma Carson <rowil@clara.net>;
europa@avnet.co.uk <europa@avnet.co.uk>
Date: 03 August 1999 23:33
Subject: RE: re: Tailplane Mass Balance
>Hi! Again Geraint . Just to put my nose in again ! Are you using a light
>spring balance in the top of the control stick ? This will give you a true
>comparrison of load needed forward and backward to get a true balance they
>will need to be equal. The tail planes are heavier rearwards since the
>torque tube is not central , so even an additional coat of paint causes
>more out of balance.
>Regards
>Bob Harrison 337 G-PTAG
>
>-----Original Message-----
From: Graham Singleton [SMTP:grasingleton@avnet.co.uk]
>Subject: Re: re: Tailplane Mass Balance
>
>>
>>Andy (Draper) tells me that the rear part of my tailplanes (ie. the chunk
>>aft of the TP6) is heavier than the chunk for'ard. Don't ask me why -
>but
>>Andy said there are others. I'm not too far out; I can get the stick to
>>stay mid-way as things stand, but there is a tendancy for the stick to
>move
>>back easier than it is to move forward. I want to get the balance just
>>right. Regards, Lloyd Owens
>>
>It needs to be just right. The airplane will tend to have an unpleasant not
>fully damped short period oscillation if the tailp[lane is aft heavy.
>
>Regarding the sheet lead, I think I would be inclined to cut it into
>washers and slip it onto the end of the balance arm. You will need less
>lead that way, (longer moment arm) so your bird will be lighter. Finally
>Redux all the weights on.
>
>Graham
>
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