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时时彩0369玩法稳胜:三旋翼 The Tricopter V2.5

时时彩个位必中 www.1x9gw.com.cn 2018-4-12 17:13| 发布者: dymodel| 查看: 1684| 评论: 0|原作者: anker

摘要: 三旋翼 The Tricopter V2.5 Ever since building the Tricopter V1 I’ve always tried to find ways to improve the construction. I always try new props, motors, esc’s, arm lengths, tail mechanism and suc ...
三旋翼 The Tricopter V2.5
Ever since building the Tricopter V1 I’ve always tried to find ways to improve the construction. I always try new props, motors, esc’s, arm lengths, tail mechanism and such. Often I change stuff before each flight. Always in the quest to find the optimum setup for me.
The Tricopter V2.5 is more of an alternative to the V2 than something completely new. It uses different motors, speed controllers and tail assembly. There are also some minor changes to make the build a little easier and a little more crash resistant.
There is a new theme to the build: zip-ties. I love zip-ties. They make the build quick and easy. They break in a crash absorbing energy. These weak points are the key to the crash survivability of the tricopter. Rather than replacing a motor axel that has been bent, you simply replace a broken zip-tie. This can easily be done in the field as well.
Enough talk, let’s build.
Specifications:
Motors: DT750 750kV Motors
ESC’s: TURNIGY Plush 18amp Speed Controllers
Battery: 3s Turnigy 25-35C 2200mAh LiPo
Servo: BMS-385DMAX Digital Servo (Metal Gear)
Props: GWS 10*4.7 or GWS 11*4.7 for heavy lifting
Arm length: ~50cm (center to motoraxel)
All up weight: 860 grams (Including battery) (670 g without)
Amps during hover: ~10A
Motor test: [email protected] – 7770RPM – 1080 grams thrust / motor
三旋翼
I still like the V1 template and a friend of mine was nice enough to cut a few for me on his CNC machine for me.
Due to popular demand I now offer pre-cut V1 tricopter frames!
 
10 M3*16mm screws is needed. I used these hex screws.
 
 
All three arms are the same length. I cut my arms to 48cm. The arms are 10*10mm pinewood
 
The holes in the front wooden arms are drilled 25mm from the edge. It’s slightly further in than the template states, but the extra material stiffens the frame a bit and is helps the durability. The little wooden piece in the front is 40mm long and helps stiffen up the frame considerably.
 
Time to screw the frame together.
 
I use these m3 lock nuts. Extend the arms fully before tightening. The arms are supposed to touch the screws when fully extended. Be careful not to over-tighten the screws, but they should be tight enough so that they do not move during flight. Now the main frame is done.

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