KR> Laminating spars

2012-05-25 Thread Pete and Karen Gauthier
I think Peter Johnson and Sid Wood make good points, orientation does matter but in this case I believe the difference is insignificant. The spar is in bending but as Peter pointed out the caps see very little bending hence very little shear due to bending (sometimes referred to as horizontal s

KR> Laminating spars

2012-05-25 Thread Tony King
ted spar. I recently did a >> Cassutt with a laminated spar.  Built it slightly over sized and dressed > it >> down to exactness on the planer. >> Pat >> in Vermont >> >> -Original Message- >> From: Tony King >> Sent: Thursday, May 24, 2012 11:

KR> Laminating Spars

2012-05-25 Thread Lynn
There are pictures of my laminated spars at http://www.krnet.org/krs/lhyder/ Eliminated 36 pieces of steel and 128 bolts as I remember. I selected 20' lengths of vertical grain fir, looking for straightness of grain and an absence of pitch pockets. I ripped the spar cap material 3/8" thick enabl

KR> Laminating spars

2012-05-25 Thread Dave Acklam
uilt it slightly over sized and dressed it > down to exactness on the planer. > Pat > in Vermont > > -Original Message- > From: Tony King > Sent: Thursday, May 24, 2012 11:05 PM > To: KRnet > Subject: KR> Laminating spars > > I'm about to start laminat

KR> Laminating spars

2012-05-25 Thread Virgil N. Salisbury
Follow what the plans show, Virg On 5/24/2012 11:05 PM, Tony King wrote: > I'm about to start laminating the timber to form my centre section > spars from pieces that are 19mm (3/4") thick. Is the orientation of > the laminations significant? I'm not sure why but all the lamina

KR> Laminating spars

2012-05-25 Thread Pat and Robin Russo
They are several planes built with laminated spar. I recently did a Cassutt with a laminated spar. Built it slightly over sized and dressed it down to exactness on the planer. Pat in Vermont -Original Message- From: Tony King Sent: Thursday, May 24, 2012 11:05 PM To: KRnet Subject: K

KR> Laminating spars

2012-05-24 Thread Dave_A
24/2012 9:02 PM, Brian and Sue Deveson wrote: > Now that is a good question. I look forward to comments. > > Brian > Bundaberg > Australia > - Original Message - > From: "Tony King" > To: "KRnet" > Sent: Friday, May 25, 2012 1:05 PM > Subje

KR> Laminating spars

2012-05-24 Thread Barry Kruyssen
oun...@mylist.net [mailto:krnet-boun...@mylist.net] On Behalf Of Tony King Sent: Friday, 25 May 2012 1:06 PM To: KRnet Subject: KR> Laminating spars I'm about to start laminating the timber to form my centre section spars from pieces that are 19mm (3/4") thick. Is the orientation of

KR> Laminating spars - Grain Orientation

2012-05-24 Thread Peter Johnson
grain orientation does not matter. Cheers. - Original Message - From: "Brian and Sue Deveson" To: "KRnet" Sent: Thursday, May 24, 2012 11:02 PM Subject: Re: KR> Laminating spars Now that is a good question. I look forward to comments. Brian Bundaberg Australia

KR> Laminating spars

2012-05-24 Thread Brian and Sue Deveson
Now that is a good question. I look forward to comments. Brian Bundaberg Australia - Original Message - From: "Tony King" To: "KRnet" Sent: Friday, May 25, 2012 1:05 PM Subject: KR> Laminating spars I'm about to start laminating the timber to form

KR> Laminating spars

2012-05-24 Thread Tony King
I'm about to start laminating the timber to form my centre section spars from pieces that are 19mm (3/4") thick. Is the orientation of the laminations significant? I'm not sure why but all the laminated timber beams I've seen have the lamination layer horizontal. I can do this but in this case I