HobbyKing.com New Products Flash Sale
Reply
Thread Tools
Old Oct 17, 2013, 07:52 AM
FPV Proximity is FUN!
fOaMmaSh87's Avatar
Australia, WA, York
Joined May 2012
1,469 Posts
Discussion
Specs for 30''-32'' KFm2 FPV wing?

Hey guys,
Just looking for some specs on a FPV wing 30-32 inch? It needs to be able to carry light FPV gear and a 2200mah battery.


-Ben
fOaMmaSh87 is offline Find More Posts by fOaMmaSh87
Reply With Quote
Sign up now
to remove ads between posts
Old Oct 17, 2013, 12:09 PM
buyer of the farm
United States, FL, DeLand
Joined Mar 2009
4,421 Posts
That's a bit small for FPV use. You'd be much better served with at least 48" wingspan.
Rockin Robbins is offline Find More Posts by Rockin Robbins
Reply With Quote
Old Oct 18, 2013, 10:56 AM
Registered User
United States, WA, Moses Lake
Joined Feb 2012
431 Posts
Why are you needing it to be 30-32 inches? With that big a battery and radio gear I think it would be really hard to launch. Look around most fpv rigs are bigger than that. Maybe you could launch it with a catapult rig or bungee launch it though.
Low and Slow is offline Find More Posts by Low and Slow
Reply With Quote
Old Oct 18, 2013, 07:23 PM
serial scratchbuilder
Granted's Avatar
Canada, BC, Mission
Joined Sep 2012
1,340 Posts
This could easily be adapted to kfm2: http://www.rcgroups.com/forums/showthread.php?t=1040837
Granted is online now Find More Posts by Granted
Reply With Quote
Old Oct 18, 2013, 10:29 PM
FPV Proximity is FUN!
fOaMmaSh87's Avatar
Australia, WA, York
Joined May 2012
1,469 Posts
I can only get foam that size I think i'll go with the the micro zephyer that RCTESTFLIGHT made.
Mini Zephyr 3 - RCTESTFLIGHT (3 min 54 sec)


-Ben
fOaMmaSh87 is offline Find More Posts by fOaMmaSh87
Reply With Quote
Old Oct 19, 2013, 08:34 AM
serial scratchbuilder
Granted's Avatar
Canada, BC, Mission
Joined Sep 2012
1,340 Posts
Don't limit yourself by the width of your foamboard. You're building a layered wing, so join sheets and stagger the seams for a wider span.
This is a 40" kfm4 3-sheet $tree foam paper-off wing with 15" root, 12" tip and 12" sweep. It weighs 615g AUW with a 2200 3s and floats around for 30 minutes with a 2208-1260kv spinning a 8045sf prop.


This was my favorite wing till I started hotwiring and it still sees regular use. The top and bottom layers are seamed in the center and the middle layer has seams 5" from each tip and doesn't require tiled plans, just measurements around the perimeter of your foamboard and some straight lines connecting them.
Granted is online now Find More Posts by Granted
Last edited by Granted; Oct 19, 2013 at 08:51 AM.
Reply With Quote
Reply


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Build Log Easy 30" KFm2 Delta mnemennth Foamies (Scratchbuilt) 1 Jan 04, 2014 04:23 PM
Build Log Mini Predator Drone - 1mtr wing span, KFm2 (new video) Arxangel Foamies (Scratchbuilt) 41 Jul 25, 2013 07:40 AM
Discussion R.I.P Did I make my kfm2 wing too heavy? sgrouts Flying Wings 7 Jul 19, 2013 11:42 AM
Old but unused raptor 30, Looking for FPV wing sprokus Non R/C Items (FS/W) 0 Jan 27, 2013 11:45 PM
Discussion FPV AP Pusher UGGLAN UAV with KFm2-wing Continued jjr2001 Aerial Photography 11 Oct 19, 2010 02:06 AM