For embedment in cracked and non-cracked concrete.
These through-bolts expand EJOT UK’s ‘concrete, brick and block’ product range with the BA Anchor Bolt series and MMS Concrete Screw providing high strength solutions for embedment in cracked and non-cracked concrete.
https://www.ejot.co.uk/new-products
Quadcopter frame made from easily obtainable parts, from your hardware or arts and crafts store. See Part2, the initial test flight here https://youtu.be/I9Lai6Rc-J8
1/8 sheet wood for top/bottom plates.
1/2 wood dowel for arms
1″ 6-32 screws, inner.
2″ 6-32 screws, outer.
4″ hole saw, to make top/bottom plates.
Multiwii 1.7 (ATMEGA Firmware)
Wii Mmotion+ – Gyro (from wiimote and nunchuck)
BMA180 – Accelerometer
ESC – TURNIGY Plush 18amp Speed Controller (hobbyking)
Motor – 2210N 1000Kv Brushless motor (hobbyking)
Power Bus – home made.
The remote control/transmitter is nothing special, you can use any rc remote, I use a standard 2.6ghz transmitter / receiver. I mean any rc trasmitter/receiver will do, even from your old rc toys. Just make sure it is legal in your country to use it on an rc aircraft..