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ibillwilson's blog
Posted by ibillwilson | Jun 24, 2014 @ 11:17 PM | 3,370 Views
Scratchbuilt from dollar store foamboard, bamboo skewers, hot glue, and tape (airframe total cost ~ $10).
Basic design - http://j.mp/1swpPs6

Variales (prototype) - Sundown flying with friends (aerial video, RC plane, flying wing, KFm6) (6 min 39 sec)

Posted by ibillwilson | Dec 04, 2013 @ 07:48 PM | 1,643 Views
Posted by ibillwilson | Sep 23, 2013 @ 09:44 PM | 2,198 Views
I'm surprised this worked as well as it did...

Double Decker Delta (RC plane, delta wing, biplane, KFm2 and KFm3) (1 min 37 sec)

Posted by ibillwilson | Aug 12, 2013 @ 08:02 PM | 3,006 Views
*NEW* Basic sketch/plan for "flat" KF-only version attached; see first photo.

Calling it the DDubJet for now... but feel free to suggest a better name!

Made from two sheets of dollar store foamboard, both 30x20 inches. With the folds and overlapping involved, the overall dimensions end up at 30 inch length and 30 inch span. More details, and perhaps a sketch or two, will be posted later.

Power system:
Turnigy SK3 2826-1130KV brushless outrunner
ElectriFly SS-25 25A ESC
Turnigy NanoTech 3S 2200 mAh LiPo (20-50C discharge)
BlueBird 9x6E prop

RC plane - Scratch built double delta (1 min 10 sec)
...Continue Reading
Posted by ibillwilson | Sep 26, 2012 @ 03:06 AM | 2,483 Views
Aerial Video from Simple Medium Delta Wing (RC plane, KFm2 airfoil) (3 min 53 sec)


Original plane design by brandonherring. See following URL for plans and discussion.

http://www.rcgroups.com/forums/showthread.php?t=1729627

Details for this plane:
constructed from Readiboard (dollar store foam board)
Airfoil: folded KFm2 (50% at centerline, reducing to 0 at tip of delta)
Control scheme: elevons
overall dimensions: 30" x 20"
all-up weight: 19 oz (23 with GoPro)
motor: Turnigy Aerodrive SK3 2826-1130
prop: BlueBird 9x4.7 Slow Fly
ESC: Tower Pro Mag8 18A
battery: Align "High-Power" (3S, 11.1 V, 2250 mAh, 40C)
Receiver: Spektrum AR6210 6-channel (overkill, to be replaced with full-range 4-channel)
Servos (2): Emax ES08A
Gyros (2): Detrum GY48V
Posted by ibillwilson | Sep 16, 2012 @ 12:13 PM | 2,668 Views
My slightly modified version of brandonherring's simple delta, reference rcgroups thread at http://www.rcgroups.com/forums/showthread.php?t=1729627

Details for this plane:
constructed from Readiboard (dollar store foam board)
overall dimensions: 20" x 16"
all-up weight: 6 oz
motor: Hextronik 18-11 2000 Kv brushless outrunner (10 g)
prop: APC 5.25x4.75 speed 400 electric
ESC: TURNIGY Plush 6A
battery: E-flite EFLB8002SJ30 (2S, 800 mAh, 30C)
Receiver: OrangeRx R610 DSM2
Servos: unknown specs, manufactured by Art-Tech (liberated from a Mini Wing Dragon 300)

Simple Mini Delta Wing (RC plane, KFm2 airfoil) (5 min 17 sec)

Posted by ibillwilson | Sep 16, 2012 @ 12:10 PM | 2,297 Views
This is a high-wing trainer design I've been working on. It's a very simple build. See the following thread for details:

http://www.rcgroups.com/forums/showthread.php?t=1725361

Elron Alpha Mk.II - Easy Build KFm4 Aileron/Aerobatic Trainer (3 min 25 sec)

Posted by ibillwilson | Sep 16, 2012 @ 11:47 AM | 2,226 Views