This is what I have measured on my KR2.


Forward spar, WAF to WAF: AN6-5A (x8)
Aft spar, WAF to WAF: AN3-5A (x8)
Forward center sectionAN4-30A (x28) AN4-31A (x4)
Aft center section: AN3-20A (x6), AN3-21A (x8), AN3-22A (x6)
Forward outer spar: AN4-26A (x32)
Aft outer spar: AN3-16A (x20)

Serge VIDAL
KR2 ZS-WEC
Paris, France





"Allen Wiesner " <flash...@usadatanet.net>

Envoyé par : krnet-boun...@mylist.net
2005-01-05 07:49
Veuillez répondre à KRnet
Remis le : 2005-01-05 07:50


        Pour :  "KRnet" <kr...@mylist.net>
        cc :    (ccc : Serge VIDAL/DNSA/SAGEM)
        Objet : Re: KR> wing bolts



>Does anybody know the size and lengths of the wing bolts?  I have 
standard 
>WAF's. >I have to make an order for A/S and the plane is at the airport 
>now.

All of the forward spar WAF to WAF bolts (8) are AN6-5A.
All of the aft spar WAF to WAF bolts (8) are AN3-5A.
The forward center section spar WAF's use AN3-30A bolts (32).
The aft center section spar WAF's use AN3-21A (20).
The forward outer spar WAF's use AN3-27A (32).
The aft outer spar WAF's use AN3-16A (20).

All of the above are calculated, assuming 3/32" ply, and are for the 
dimensions for the KR-2S spars; KR-2's have one less ply face on the outer 

rear spars.  Also, any control brackets attached to WAF's/bolts will need 
an 
allowance for the thickness of the brackets.  Each 1/8" (.125") will need 
an 
increase of +1 to the dash number for that bolt, i.e.: standard aileron 
pulley brackets will need -31's and -22"s.  All of these are assuming 
washers under the heads and nuts.

Allen G. Wiesner  KR-2SS/TD S/N 1118
65 Franklin Street
Ansonia, CT  06401-1240

(203) 732-0508

flash...@usadatanet.net 



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