Shop our Airplanes Products Drone Products Sales
Thread Tools
Jul 18, 2002, 11:35 PM
Registered User

Need CompuFoil Help

Hi all,

Need a tip/workaround for CompuFoil - How can I define a sheeted foam core having a foam leading edge?, i.e. top & bottom sheeting terminated about 1/2" from the leading edge?
Sign up now
to remove ads between posts
Jul 19, 2002, 10:55 AM
Registered User
Is this what you're talking about?
Jul 19, 2002, 12:23 PM
Registered User
Yessirreee, absolutely! How'd 'ya do it?
Jul 19, 2002, 12:54 PM
Registered User
Hello green,

Actually I cheated I loaded an airfoil into C/Foil, added 3/32" sheeting and 1/2" leading edge, saved it out as .dxf, loaded it into TurboCAD, snapped & trimmed the lines at the front. If you don't have CAD, you could print your airfoil with normal sheeting and leading edge and then draw in your changes by hand.

Just curious, why the foam L.E......perhaps a combat plane to snag your opponent's streamer string?

Milton Dickey
Jul 19, 2002, 06:04 PM
Registered User
Actually I cheated . . . . you could print your airfoil . . . . then draw in your changes by hand.
Wooops! Sorry DB, can't accept that In this case, I want to define the foam coordinates in CompuFoil because the foam cutting service uses a CNC cutter (although they've probably got a workaround for things like this). Since you helped me before with a CompuFoil trick involving two sheeting thicknesses, I concluded, upon receiving this 2nd tip, that you must be the CompuFoil Ninja but, alas, you're mortal

Actually, your CAD suggestion is the key ==> With the modified profile in CAD, establish the origin, put some points along the modified contour, obtain the coordinates of those points, then enter them into the coordinate table in CompuFoil
Just curious, why the foam L.E.
3 reasons: 1) impact-resistance, repair-avoidance, 2) conventional L.E. contributes little strength, either bending or torsional (can just use a sub-L.E. for strength), and 3) I hate contouring leading edges! ==> profile is more accurate straight off the foam cutter anyway.

Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Need some help with my latest plane wim5150 Electric Plane Talk 2 Aug 08, 2001 04:29 AM
A-10 glitching issue...need some help!!! David Hogue Electric Ducted Fan Jet Talk 5 Aug 07, 2001 09:51 PM
charging rate (need a little help) papichulo Power Systems 3 Jun 16, 2001 12:05 AM
Bleriot III, need more help CoClimber Parkflyers 9 Jun 01, 2001 12:54 AM
need some help finishing my mini ifo. Jeremy_D Parkflyers 4 May 28, 2001 05:49 PM