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  #1  
Old 08-13-2016, 04:20 PM
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miyu1975 miyu1975 is offline
 
Join Date: Apr 2008
Location: Indianapolis, IN
Posts: 1,069
Default Weight/Balance in Foreflight

Hello, I am finally plugging my w/b numbers into foreflight and I am stumped on one of the setup pieces. It is asking me for Forward and Aft CG limits in inches and pounds. Of course I have the inches part, but not pounds. Anyone know what or how to calculate that? surely it isn't just 1800 right?..
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RV7 N612RA, flying since july 2012
E-170/175
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  #2  
Old 08-13-2016, 04:30 PM
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miyu1975 miyu1975 is offline
 
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Location: Indianapolis, IN
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Default

ok...think I figured out what it is asking for.. great tool ff provides.
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Ryan Allen, CFII

RV7 N612RA, flying since july 2012
E-170/175
RV10 Tail Kit complete, Wings 90%, fuse on order
Acro Sport 2, building
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  #3  
Old 08-13-2016, 04:56 PM
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flyboy1963 flyboy1963 is offline
 
Join Date: Oct 2008
Location: Lake Country, B.C. Canada
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Default more pireps please!!!

mine comes out all upside down and backwards....outside the envelope.
I've done it 5 times...all the numbers are positive, how is this thing NOT working?

..........advice?
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Perry Y.
RV-9a - SOLD!....
Lake Country, BC
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  #4  
Old 08-13-2016, 05:00 PM
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miyu1975 miyu1975 is offline
 
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Location: Indianapolis, IN
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Yea, I thought I knew what it wanted but I was wrong. Need to know the Forward CG limits inches and lbs and Aft CG limits inches and lbs. I can't get mine to come out correct...
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Ryan Allen, CFII

RV7 N612RA, flying since july 2012
E-170/175
RV10 Tail Kit complete, Wings 90%, fuse on order
Acro Sport 2, building
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  #5  
Old 08-13-2016, 05:40 PM
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Ironflight Ironflight is offline
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Default

It's confusing, but I figured it out on our most recent plane (the Tundra). There are four points that define the square box. Each needs two coordinates - a weight and a distance from the datum. So you need a forward distance and then the empty and gross weights, and the aft distance and the empty and gross weights.
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RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
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  #6  
Old 08-13-2016, 07:08 PM
jrs14855 jrs14855 is offline
 
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Location: Lake Havasu City AZ
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Default wt & bal

Sportys has a pretty detailed tutorial on setting this up.
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  #7  
Old 08-13-2016, 07:23 PM
civengpe civengpe is offline
 
Join Date: Nov 2010
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Default

The way I did it was to use gross weight for the top and empty weight for the bottom of the box.
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