Original Posted By: John Greenlee
Subject: Pietenpol-List: Re: Alternative woods>>-----Original Message----->From: John Weikel >To: Pietenpol Discussion >Date: Sunday, August 15, 1999 10:06 AM>Subject: Re: Alternative woods>>Hi John, and Welcome! I live in Uvalde, about 80 miles or so South of you.>Come down here one of these days and I'll give you a ride in my GN-1. Also>have a Rans S-12 that I just finished (today in fact) flying off the 40>hours for the AW cert.).>>Robert Hensarling>http://www.mesquite-furniture.com>rhrocker(at)admin.hilconet.com>Uvalde, Texas>>>>Hi, my name is John Weikel and I am new to the group. I have just>completed>>a RagWing Parasol RW-6 which is built out of white pine. The designer>>specifies White Pine, Fir or Spruce as being acceptable as long at the>>grading meets specs. The pine is a heck of a lot less expensive then>>spruce.....>>John Weikel>>Kerrville, Tx>>RW-6>>KR-2S>>Piet (maybe someday)>>jandd(at)maverickbbs.com>>-----Original Message----->>From: MACKORELL(at)aol.com >>To: Pietenpol Discussion >>Date: Sunday, August 15, 1999 9:30 AM>>Subject: Alternative woods>>>>>>>I've looked up some properties for some alternative woods to sitka spruce>>>from the "Wood Handbook".>>>$>>>For Sitka Spruce:>>>>>>Spec. Grav.=0.40>>>Mod. of Rup.=10,200psi>>>Mod. of Elast.=1,570psi>>>Shear parallel to grain=1,150psi>>>$>>>$>>>For Yellow Poplar:>>>>>>Spec. Grav.=0.42>>>Mod. of Rup.=10,100psi>>>Mod. of Elast.=1,580psi>>>Shear parallel to grain=1,190psi>>>$>>>$>>>For Western Hemlock:>>>>>>Spec. Grav.=0.45>>>Mod. of Rup.=11,300psi>>>Mod. of Elast.=1,630psi>>>Shear parallel to grain=1,290psi>>>$>>>$>>>For Douglas Fir:>>>>>>Spec. Grav.=0.48>>>Mod. of Rup.=12,400psi>>>Mod. of Elast.=1,950psi>>>Shear parallel to grain=1,130psi>>>$>>>$>>>For Black Walnut:>>>>>>Spec. Grav.=0.35>>>Mod. of Rup.=14,600psi>>>Mod. of Elast.=1,680psi>>>Shear parallel to grain=1,370psi>>>$>>>$>>>For Red Pine:>>>>>>Spec. Grav.=0.46>>>Mod. of Rup.=11,000psi>>>Mod. of Elast.=1,630psi>>>Shear parallel to grain=1,210psi>>>>>>Hope this helps!>>>>>>Jacob>>>>>>>>>>>________________________________________________________________________________