How do you scale a engineering sketch, and why would you put a 3/16" bolt in a 1/4" hole?
KRRon ----- Original Message ----- From: "Mark Langford" <[email protected]> To: "KRnet" <[email protected]> Sent: Wednesday, December 10, 2003 6:56 AM Subject: Re: KR>Colin's Lap Belt attachments > Scott Cable wrote: > > > I ran accross an article that was a strength analysis > > done on the lap and shoulder belt attachments, done > > specicly for the KR-2. > > I can bottom line it for you- the article recommended > > 5/16 fasteners. > > RR had their structural engineer guy whip up an attachment system for the > shoulder belts back in 1998, but it doesn't actually mention bolt size! > (See the two links below for details). I think the plans call for 3/16 > bolts holding the seat belts, and I get the impression from the links below > that he intended the shoulder belts to be bolted with .25" bolts, but if the > scale of the drawing means anything, it's clearly 3/16" or even less. I'm > not saying I agree, or that it's right, just throwing it out there as the > "official" word from RR, for whatever that's worth. > > http://home.hiwaay.net/~langford/seat1.jpg > http://home.hiwaay.net/~langford/seat2.jpg > > The above links are accessible from > http://home.hiwaay.net/~langford/misc.html also, about 2/3 of the way down. > > Scott, did that article appear in an old Newsletter or something? If so, > aim me towards it and I'll check it out. > > Thanks, > > Mark Langford, Huntsville, AL > N56ML at hiwaay.net > see KR2S project N56ML at http://home.hiwaay.net/~langford > > > _______________________________________________ > see KRnet list details at http://www.krnet.org/instructions.html > >

