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Weight & Balance datum

 
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tdawson-townsend(at)auror
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PostPosted: Sun Nov 21, 2010 10:07 pm    Post subject: Weight & Balance datum Reply with quote

I guess I can call Van’s this week, but I had a couple questions I throw out there on W&B moment arms:

<![if !supportLists]>a) <![endif]>The pilot moment arm is given as 114.58”, but of course, the front seats are adjustable through a range. Where did Van’s place that point?
<![if !supportLists]>b) <![endif]>Likewise, the baggage area is quite large, so is the Van’s-chosen moment arm location in the center? At the (conservative) aft end of the baggage area?

I guess I can measure those myself next time I’m at the hangar, but thought I would write this while thinking about it.

TDT

Tim Dawson-Townsend
RV-10 N52KS (http://aprs.fi/?call=n52ks)
tdt(at)aurora.aero (tdt(at)aurora.aero)
617-500-4812 (office)
617-905-4800 (mobile)
[img]cid:image001.png(at)01CB89E0.DEF66380[/img]


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coop85(at)verizon.net
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PostPosted: Mon Nov 22, 2010 7:41 am    Post subject: Weight & Balance datum Reply with quote

FWIW the pilot location is pretty insignificant as you are essentially sitting on the CG. As for the baggage area I would guess the center, but you could measure it pretty easily comparing one of the other fixed points (like the leading edge of the wing if I remember correctly).

Marcus

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From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Dawson-Townsend,Timothy
Sent: Monday, November 22, 2010 1:02 AM
To: rv10-list(at)matronics.com
Subject: Weight & Balance datum



I guess I can call Van’s this week, but I had a couple questions I throw out there on W&B moment arms:

<![if !supportLists]>a) <![endif]>The pilot moment arm is given as 114.58”, but of course, the front seats are adjustable through a range. Where did Van’s place that point?
<![if !supportLists]>b) <![endif]>Likewise, the baggage area is quite large, so is the Van’s-chosen moment arm location in the center? At the (conservative) aft end of the baggage area?

I guess I can measure those myself next time I’m at the hangar, but thought I would write this while thinking about it.

TDT

Tim Dawson-Townsend
RV-10 N52KS (http://aprs.fi/?call=n52ks)
tdt(at)aurora.aero (tdt(at)aurora.aero)
617-500-4812 (office)
617-905-4800 (mobile)
[img]cid:image001.png(at)01CB8A31.363143E0[/img]


- The Matronics RV10-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV10-List



image001.png
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 Filesize:  57.07 KB
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