|Nov 30, 2013, 06:32 PM|
Multi blade rotor head
Ok, who makes a good 4 blade rotor head for a 450? And what is the difference between floating and ridgid? I think Santa is delivering a 500D fuse. What motor and pinion for this rotor set up ? 3 or 4s ?
|Nov 30, 2013, 07:39 PM|
Floating heads allow the grip to flex up and down a bit to aid in dampening wind inputs to the helicopter. Rigid rotors are best used with stabilization systems aka: 3 axis gyro. While it is entirely possible to fly a rigid rotor without 3 axis help, it is a chore to fly. There is also the use of flexible blades with a rigid rotor and that will help with the in flight stability but rigid rotor plus rigid blades = one real workout. I would seriously not worry about four blade for the 500D and just go right to the 5 blade head. There are a few on the market and some are downright cheap, but the old saying goes, you get what you pay for.
As to motor, I would aim for a head speed of around 2000 to 2200 rpm and use free online calculators to work out the motor and gear combo you want to get. I like the simplicity of 3s packs and the fact that they fit everything out there. I went with a 2580kv motor and 13t pinion with the stock 150t Align main gear in my 450 SEV2. Capacity = duration and most scale flying leaves you more flying on the same battery than 3D. Take care.
PS: If you are set on four blades, the speed is exactly the same. I have my four blade A109 at around 2150 rpm.
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