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Re: C of G position

Subject: Re: C of G position
From: McFadyean <ami@mcfadyean.freeserve.co.uk>
Date: Sun, 12 May 2002 21:25:57
I'd go for two 189 lb JAR-VLA 25 (a) (2) occupants with no fuel, no baggage 
and CG at the forward limit.
There is some safety inbuilt:
        The 'plane won't be flying long with no fuel.
        The arm taken for the occupants is, I think, for crew with short legs 
      or 
temporarily leaning forward.
That way the baggage allowance is maximised and/or its aft location (in the 
case of bulky items) within the XS luggage bay (assuming of course MAUW is 
not exceeded).

Duncan McF.


On Sunday, May 12, 2002 5:01 PM, david joyce [SMTP:davidjoyce@beeb.net] 
wrote:
> Does anyone have a view on what an ideal C of G position is?  Mine 
initially came out at 58.5", with battery in the engine compartment, 914 
and wobbly prop, albeit a light one. I calculated that 3 lbs of lead bonded 
and bolted to the front of the stern post would take it back to 59", and 
this seemed a better bet than repositioning the battery which would have 
been a fair amount of hassle, and involved some extra weight and diminished 
electrical efficiency. The 59" position lets me carry 400lbs pax with no 
fuel or baggage, (clever that!), or alternatively 120 lbs pax and full fuel 
+ 80 lbs luggage, which two loadings take the C of G pretty much to the two 
limits. What has anyone else settled on?  Davbid Joyce G-XSDJ


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