Forgot to mention the free floating disk was removable/just sat on top.Inergy9118 wrote:Looked like all the rest, but the disk on top was free floating. It fell off after it hit the ceiling and the clock kept going...
Search found 6 matches
- May 1st, 2013, 5:20 pm
- Forum: Helicopters B
- Topic: Duration
- Replies: 57
- Views: 24361
Re: Duration
- April 29th, 2013, 6:26 pm
- Forum: Helicopters B
- Topic: Duration
- Replies: 57
- Views: 24361
Re: Duration
Looked like all the rest, but the disk on top was free floating. It fell off after it hit the ceiling and the clock kept going...
- April 17th, 2013, 8:08 pm
- Forum: Helicopters B
- Topic: Helicopters B
- Replies: 139
- Views: 41318
Re: Helicopters B
I normally use a value of 100 turns per inch, but this batch of rubber is breaking at 94 TPI, so our team used 90. That assumes a lubricated band that has been prestretched after tieing the knot. Better times are achieved by having the chopper as close to the 3 g min as possible, having the blades ...
- April 15th, 2013, 7:18 am
- Forum: Helicopters B
- Topic: Helicopters B
- Replies: 139
- Views: 41318
Re: Helicopters B
HELP. What is the key of getting over a minute? We have tried a lot of things. What is the key? How many turn per inch should you have?
- April 9th, 2013, 7:54 am
- Forum: Helicopters B
- Topic: Helicopters B
- Replies: 139
- Views: 41318
Re: Helicopters B
1) Slight difference in turns per inch, if lube properly, not enough to worry about. Torque meters. There are a couple of suppliers out there, but I usually just build my own, see viewtopic.php?f=68&t=1822 for discussion of plans available on line. 2) How good are your times? If you are up in t...
- April 8th, 2013, 7:54 pm
- Forum: Helicopters B
- Topic: Helicopters B
- Replies: 139
- Views: 41318
Re: Helicopters B
1). Generally speaking is there any advantage of taking a smaller size motor and doubling it over instead of simply going with a larger motor? ie). would a doubled over 1/16" motor be the same as a 1/8" motor? Will it produce the same amount of torque. PS. where is a good source to get a t...