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mass balance [was: Anyone install battery aft of baggage bay

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rowil(at)clara.net
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Posted: Thu Sep 21, 2006 1:31 pm Post subject: mass balance [was: Anyone install battery aft of baggage bay

At 2006-09-21 20:27 +0100 Simon Smith wrote:



 	  Quote: 	
		  the purpose of the mass balance arm is to balance the Stab'. If

Mod 70 is heavier them surely it will be out of balance


	


Simon - the overall weight of the mass balance arm is increased by 

the mod, since stuff has been added to it. The whole assembly has to 

be re-balanced, and if the weight is just moved fore & aft on the arm 

to achieve this, the (new, higher) overall weight will not be 

affected. It is left as an exercise for the student (as the old maths 

books used to delight in saying) to prove that balancing by removing 

material from the weights will also result in a higher mass than the 

original. [clue - weight has been added to the arm, closer to the 

torque tube than where the big weights are]



regards



Rowland

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