Original Posted By: "walter evans"
I believe several years ago either EAA or someone elsepublished a list of woodsthat were acceptable for aircraft construction. The pros and cons of each werelisted along with each characteristic.Does anyone remember this or any other references to this subject?ThanksLarry Ragan Jacksonville, Fl. ________________________________________________________________________________
Pietenpol-List: Wood used...
Re: Pietenpol-List: Wood used...
Original Posted By: "Larry Ragan"
Larry,This a clip from someone awhile ago that I saved. Maybe it will be somehelp.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,I've looked up some properties for some alternative woods to sitka sprucefrom the "Wood Handbook".$For Sitka Spruce:Spec. Grav.=0.40Mod. of Rup.=10,200psiMod. of Elast.=1,570psiShear parallel to grain=1,150psi$$For Yellow Poplar:Spec. Grav.=0.42Mod. of Rup.=10,100psiMod. of Elast.=1,580psiShear parallel to grain=1,190psi$$For Western Hemlock:Spec. Grav.=0.45Mod. of Rup.=11,300psiMod. of Elast.=1,630psiShear parallel to grain=1,290psi$$For Douglas Fir:Spec. Grav.=0.48Mod. of Rup.=12,400psiMod. of Elast.=1,950psiShear parallel to grain=1,130psi$$For Black Walnut:Spec. Grav.=0.35Mod. of Rup.=14,600psiMod. of Elast.=1,680psiShear parallel to grain=1,370psi$$For Red Pine:Spec. Grav.=0.46Mod. of Rup.=11,000psiMod. of Elast.=1,630psiShear parallel to grain=1,210psiHope this helps!Jacob----- Original Message -----
Larry,This a clip from someone awhile ago that I saved. Maybe it will be somehelp.,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,I've looked up some properties for some alternative woods to sitka sprucefrom the "Wood Handbook".$For Sitka Spruce:Spec. Grav.=0.40Mod. of Rup.=10,200psiMod. of Elast.=1,570psiShear parallel to grain=1,150psi$$For Yellow Poplar:Spec. Grav.=0.42Mod. of Rup.=10,100psiMod. of Elast.=1,580psiShear parallel to grain=1,190psi$$For Western Hemlock:Spec. Grav.=0.45Mod. of Rup.=11,300psiMod. of Elast.=1,630psiShear parallel to grain=1,290psi$$For Douglas Fir:Spec. Grav.=0.48Mod. of Rup.=12,400psiMod. of Elast.=1,950psiShear parallel to grain=1,130psi$$For Black Walnut:Spec. Grav.=0.35Mod. of Rup.=14,600psiMod. of Elast.=1,680psiShear parallel to grain=1,370psi$$For Red Pine:Spec. Grav.=0.46Mod. of Rup.=11,000psiMod. of Elast.=1,630psiShear parallel to grain=1,210psiHope this helps!Jacob----- Original Message -----
Re: Pietenpol-List: Wood used...
Original Posted By: john e fay
Subject: Re: Pietenpol-List: Wood used...
Subject: Re: Pietenpol-List: Wood used...