This is the Owl-RT, wingspan 806mm (31.7"). It is built from 3mm Depron (1 sheet), a spruce spar and various other easy to find materials and components.
AUW is 240~280g (8.5~10oz) depending on motor and battery, but can be built as light as 200g if you skip the landing gear and use balsa for the spar.
Why Owl-RT (pronounced "All Right")?
RT are the initials of Kaos2's real name, Rich Thompson. Since the Owl-RT inherited its KF wing from the Regal/Regal Bipe model series designed by Rich.
The Owl-RT has short, stocky wings, it looked a little bit like an owl.
The main features of the Owl-RT are:
Aerobatics and basic 3D capable.
Indoors and outdoors (up to 20km/h winds).
Easy and inexpensive to build and repair.
Small enough to easily fit on the back seat of compact car.
Can fly very slowly with full control authority.
Very gentle stall (nose tips down).
Unlimited vertical with the right motor.
Electronics:
Racerstar Racing Edition 2205 Buy: Racerstar Racing Edition 2205 Buy: Sunnysky R2205 2205 Brushless Buy: Eachine 2205 MN2205 2300KV Buy: Volantex Easy-Plug 30A 2-4S Buy: HTIRC Hornet Series 30A Buy: Favourite FVT Swallow Series Buy: SG90 Mini Gear Micro Buy: KittenBot® 23x12.2x29mm SG90 9g Buy: 4 X SG92R Mini Buy: 10PCS 8043 8x4.3 inch Buy: 2Pcs 8043 8x4.3 inch Buy: 5PCS GWS EP 8043 Buy: GWS EP 9047 8043 Buy: 4pcs 8043 8x4.3 inch Buy: GEMFAN GF 8040 8060 Buy: Gaoneng GNB 7.4V 600mAh Buy: GAONENG GNB 7.4V 600mAh Buy: URUAV 7.4V 600mAh 50C/100C Buy: 2Pcs URUAV 7.4V 600mAh Buy: Gaoneng GNB 7.4V 600mAh Buy: XF Power 7.4V 600mAh Buy:
Unfortunately, I cannot devote much time to the site. When at least 500 Patrons gather at the Patreon.com, I can start translating all the drawings into a PDF format.
Ultra Lightweight RC motor glider DIY Build video How to make Scratchbuilt Ultra Lightweight 2 meter RC motor glider (FAA registration not required, under 250g Weight Limit)
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