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CEF Traveling Engine
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Li'l Satan CG
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Li'l Satan CG
Cribbs74 Tue Nov 13, 2012 9:19 am
When I originally balanced the Satan. I went with 1/3 of the chord as my CG point. Obviously that ain't it. The brodak plans show nothing 
Anybody know where it's supposed to be?
Anybody know where it's supposed to be?
Cribbs74- Moderator
Posts : 11897
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
Re: Li'l Satan CG
JPvelo Tue Nov 13, 2012 11:28 am
I think the Goldberg plan shows 7/8 inch behind the L.E. will check plans later today.
Jim
Jim
JPvelo- Diamond Member
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Age : 56
Location : Colorado
Re: Li'l Satan CG
Cribbs74 Tue Nov 13, 2012 12:31 pm
I'd appreciate it!!! So would my daughter who nearly got an unwanted haircut. I think I need to build me another stooge so I don't maim my children.......
Ron
Ron
Cribbs74- Moderator
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Re: Li'l Satan CG
John Goddard Tue Nov 13, 2012 12:43 pm
Halfway between a third and a quarter at the cord is usually
A good starting point Ron.
With R/c the main spar is usually it or VV close.
I've got a proper calculator
Tucked. Away somewhere I'll see if I can find it.
A good starting point Ron.
With R/c the main spar is usually it or VV close.
I've got a proper calculator
Tucked. Away somewhere I'll see if I can find it.
John Goddard- Diamond Member
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Age : 59
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Re: Li'l Satan CG
Cribbs74 Tue Nov 13, 2012 1:22 pm
John Goddard wrote:Halfway between a third and a quarter at the cord is usually
A good starting point Ron.
With R/c the main spar is usually it or VV close.
I've got a proper calculator
Tucked. Away somewhere I'll see if I can find it.
By that standard John I should have been fine. I wish you could have seen that puppy flip. Talk about some tight loops it didn't even go forward. Something wasn't jiving that's for sure.
Cribbs74- Moderator
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Posts : 11897
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
Re: Li'l Satan CG
RknRusty Tue Nov 13, 2012 2:12 pm
Mine is 7/8" from the LE too. That is forward of 33.3% or 25% chord. It's no wonder it flipped. Even balanced correctly, if you launch with full up it'll flip.cribbs74 wrote:John Goddard wrote:Halfway between a third and a quarter at the cord is usually
A good starting point Ron.
With R/c the main spar is usually it or VV close.
I've got a proper calculator
Tucked. Away somewhere I'll see if I can find it.
By that standard John I should have been fine. I wish you could have seen that puppy flip. Talk about some tight loops it didn't even go forward. Something wasn't jiving that's for sure.
_________________
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...and never Ever think about how good you are at something...
while you're doing it!
My Hot Rock & Blues Playlist
RknRusty- Rest In Peace
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JPvelo- Diamond Member
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Join date : 2011-12-02
Age : 56
Location : Colorado
Cribbs74- Moderator
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Posts : 11897
Join date : 2011-10-24
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