New Products Flash Sale
Thread Tools
This thread is privately moderated by slebetman, who may elect to delete unwanted replies.
Old Jul 25, 2012, 02:08 AM
slebetman is offline
Find More Posts by slebetman
Registered User
slebetman's Avatar
Build Log

FF Planktastic - rubber powered flying wing


This is a rubber powered version of my Planktastic.
Sign up now
to remove ads between posts
Old Jul 25, 2012, 03:47 AM
hitechredneck is offline
Find More Posts by hitechredneck
Experimental Flyer
hitechredneck's Avatar

Thumb's up


Very interesting design.
Old Jul 25, 2012, 11:57 PM
RCSquale is offline
Find More Posts by RCSquale
Sometimes it work some don't
RCSquale's Avatar
Yes cool idea, anything I should know to reproduce this one on a bigger scale with electric power?
Old Jul 26, 2012, 01:10 AM
slebetman is offline
Find More Posts by slebetman
Registered User
slebetman's Avatar
Quote:
Originally Posted by RCSquale View Post
Yes cool idea, anything I should know to reproduce this one on a bigger scale with electric power?
Whoa. Didn't realize anyone would be interested. Just posted the pictures for my own record.

This planform is a fairly old design of mine. I built several RC versions of it last year. You can see the build log for it here: https://www.rcgroups.com/forums/show....php?t=1484974



The basic plan is fairly simple. Just choose a wing span and chord you want to build at. Then extend the tips by about 1/2 to 2/3 chord length. The tip width is roughly the same as chord length but can be modified a bit larger or smaller if necessary.

Cut out the shape (or draw out the plan) using the above measurements and give the 'tail' a bit of reflex/up trim. CG as usual is around 1/3 chord but my RC models prefer very nose heavy CG at around 10% chord. I guess it depends on the airfoil of the main wing.

My RC version is very steady in the roll and yaw axis but is very pitch sensitive.

Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Question FF Rubber Field Restrictions, Minimalist RC Assist?? Gemini2 Free Flight 16 Jul 10, 2012 11:37 AM
Discussion Motor & Prop For Sedate FF Rubber Conversion?? Gemini2 Power Systems 5 Apr 24, 2012 02:03 PM
Build Log Planktastic - 108cm (42in) flying wing slebetman Foamies (Scratchbuilt) 8 Apr 17, 2012 11:04 PM
Rubber Powered and Electric FF Helis Mario Free Flight 1 Sep 08, 2003 05:25 PM
Cheap power for small FF rubber conversions Boba_Fett Free Flight 2 Nov 16, 2002 09:36 AM