thmtrx

Cardboard Endo-Bipe
A unique design using 100% recycled materials.
(Cardboard boxes and foam Meat Trays)
Here are the specs.
42" wingspan
All up weight: 56 oz
(Including 18 oz battery)
8 cell 3000 mah NIMH
4.6:1 geared Endoplasma
12x8 MAS prop (5500 RPM at 28 amp measured)

Wing loading is 12 oz/ft^2.

Plane is a floater, easy to fly and land, climb rate is excellent.

thmtrx

Pics

BuzzBomber

My Feedback: (4)

Now that's interesting!

toddly24

this is the coolest looking thing I've ever seen made out of cardboard. Nice job. How far apart are those things in the wings?

thmtrx

Here is the rest of my growing cardboard fleet. The planes are made of:

- cardboard (corrugated from boxes)
- foam meat trays (chicken and beef)
- wood coffee stirrers (strategic reinforcement glued over the cardboard frame)
- food shrink wrap (bought 500 ft roll $25) fastened with double sided tape
- bamboo BBQ skewers (stronger than steel by weight) wing leading edge
- piano wire landing gear

They are surprisingly light and strong, and fly like h_ll.
Also very repairable.

For size comparison:
Endo-Bipe (Large Plane)
Endoplasma; 4.6:1 gear; 12x8MAS prop; 9x 3000mah NIMH (Radio Shack) .
Weight = 56 oz

Cardboard Brushless (Medium Plane)
Himaxx 2025-5300; 5.2:1 gear; 9x7GWSprop; 9x1600mah NIMH (Radio Shack)
Weight = 24 oz
(undergoing repairs after Light Pole)

Mini Cardboard Brushless (Small Plane)
Himaxx 2015-5400; 6.6:1 gear; 9x7 GWS prop; 8x650 KANS NIMH
Weight = ??

toddly24

those are so cool, nice job