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VTR 1 (You Tube)
VTR 2 (You Tube)
VTR 3 with GLDAB (Gliding system) and Lipo 3cell (You Tube)
VTR4 Buteo Flat Tail (You Tube)
VTR 5 Buteo V2 with Body(YouTube)
VTR 6 Buteo V2 Looping (You Tube) 2008/9/14
VTR 7 Buteo V2 with Body Looping (You Tube) 20008/9/15
VTR 8 Buteo V2 Looping near the ground 2008/9/28
VTR 9 Buteo V2 Looping and Spin Dive (like Stoop) 2008/10/5
VTR 10 Buteo V2 Looping & SpinDive & Stall turn 2008/10/13
| width | 107.0 | ｃｍ |
| length | 62.5 | ｃｍ |
| weight | 338.0 | ｇ |
| Lipo 3cell 11.4V 650mAh | 50.0 | ｇ |
| Total flight weight | 388.0 | ｇ |
Wing 2
Buteo V2 with Boby(+22g)
Body
| the fuselage | YardHawk |
| Receiver: | Castle Creations Berg Microstamp 4L 4Ch Micro Rx FM |
| cryistal: | Castle Creations Micro Crystal Berg 52(72MHz) |
| Servo: | elevator (Hitec HS-45 Feather Premium High Speed/Torque Servo), rudder (do) |
| Motor: | Waypoint 2209 1820Kv motor |
| ESC: | Castle Creations Thunderbird-18 Brushless ESC |
| Battery: | Lipo 3-cell. 11.4V 650mAh |
| Control: | 3CH (a motor, V tail 2ch: rudder and elevator) |
| Gliding sysytem | GLDAB |
| Wings: | made by 45 times foamed polypropylene Core, 4mm and 2mm carbon rods, Ripstop(0.65oz), Power rip, Super Seam Tape 9460PC |
| Wing profile | S4083 modefied |
| Gear | Main Gear 32P56T Stainless Steel https://sdp-si.com/ss/PDF/79001099.pdf First gear 48P66T Acetal https://sdp-si.com/ss/PDF/79001084.pdf |
| Pinion Gear: 48P 16T |
Brief Design (JPEG file 1625Kb)
Connection of Carbon in wings
