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  #1  
Old 12-26-2012, 09:16 AM
airguy's Avatar
airguy airguy is offline
 
Join Date: Oct 2006
Location: Garden City, Tx
Posts: 5,145
Default seat bottom cutout?

On my 9A kit, there is a prepunched rectangular cutout (both sides) a couple inches aft of the control stick opening, and I've yet to figure out what this is for. Is that for the crotch-strap attach brackets?

EDIT - a little searching and I found the answer, yes it is. Not sure I'll use the crotch strap right now but I'll go ahead and install the brackets regardless.
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Greg Niehues - SEL, IFR, Repairman Cert.
Garden City, TX VAF 2020 dues paid
N16GN flying 700 hrs and counting; IO360, SDS, WWRV200, Dynon HDX, 430W
Built an off-plan RV9A with too much fuel and too much HP. Should drop dead any minute now.

Last edited by airguy : 12-26-2012 at 09:24 AM.
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  #2  
Old 12-26-2012, 09:25 AM
BillC BillC is offline
 
Join Date: Mar 2005
Location: Ramona, Ca
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Default

You are correct, crotch-strap opening.
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  #3  
Old 12-26-2012, 10:30 AM
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Mel Mel is online now
 
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Location: Dallas area
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I recommend installing the crotch straps.

These serve two purposes. 1) They hold the lap belt down in its proper position and 2) They prevent "submarineing" in case of a sudden stoppage. Submarineing can be very detrimental to "man parts" when meeting with the control stick!
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Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
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USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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  #4  
Old 12-26-2012, 10:45 AM
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airguy airguy is offline
 
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Quote:
Originally Posted by Mel View Post
I recommend installing the crotch straps.

These serve two purposes. 1) They hold the lap belt down in its proper position and 2) They prevent "submarineing" in case of a sudden stoppage. Submarineing can be very detrimental to "man parts" when meeting with the control stick!
Valid observation, thanks for that.
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Greg Niehues - SEL, IFR, Repairman Cert.
Garden City, TX VAF 2020 dues paid
N16GN flying 700 hrs and counting; IO360, SDS, WWRV200, Dynon HDX, 430W
Built an off-plan RV9A with too much fuel and too much HP. Should drop dead any minute now.
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  #5  
Old 12-27-2012, 04:51 PM
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GeneL GeneL is offline
 
Join Date: Sep 2009
Location: Daytona Beach, Florida
Posts: 121
Default Crotch strap

Also the only way to keep tall heads off the canopy, ask me how I know.
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