First of all want to say sorry Teus, i stole your sample:-)

I have built good stable and easy to control helicopter engine, and decided to share it to everyone in such way. I propose you to build a helicopter. What it will look like, Its only your choice. Engine will help you all to concentrate on heli design and its details. But if you want you can build your own engine.

This is isane challenge because of main rule, it must fly.
All successors get 5 star from me.

How to start:
1. Download the file and use cockpit from it as start for your heli.
2. Build your heli (you can use engine from this file if you want).
3. Upload it until next sunday(05.04.15).

Rules:
1. It must be helicopter! (No tricopters or quadrocopters)
2. You can upload only one heli.
3. You can use bug with detached engines and fuel.
4. It must fly. Easier control - better.
5. Use less than 800 blocks.

How to control engine:
1. You have to put at least 1 vtol engine for it.
2. Launch engine, put thrust on max or less.
3. Use VTOL toggle to climb up or down.
4. You dont need to shut down engines for land, just put vtol toggle in the midle or lower and heli will gently touch the ground. Then shut down engines:)
5. If your heli well balanced, even when you run out of fuel your heli will land successfully on water. On ground it will crash, but you can try to make it strong:-)
6. You can test how engine works on sample-heli in this file.

GOOD LUCK ALL. Best 3 Heli will get a lot of ratings on their other planes!!