Let me correct some of my numbers:
This is a ten pole alternator, not twelve and the frquency at 900 rpm is 120 cps.
Search found 4 matches
- Sun May 28, 2006 6:35 am
- Forum: General Discussion
- Topic: frequency counting for rpm
- Replies: 7
- Views: 3706
- Sun May 28, 2006 6:26 am
- Forum: General Discussion
- Topic: frequency counting for rpm
- Replies: 7
- Views: 3706
I am trying to measure the engine speed of a railroad locomotive. The engine is directly coupled (shaft) to the alternator. There are a lot of these engines and the shaft is not easy to get to, so I don't really want to add any kind of pickup. That's why I thought measuring the frequency would be ea...
- Sat May 27, 2006 7:11 pm
- Forum: General Discussion
- Topic: frequency counting for rpm
- Replies: 7
- Views: 3706
frequency counting for rpm
I want to measure rpm by counting the freqency of a 12 pole alternator. The range I need is 0-1000 rpm. Portabilty would be a plus. Any help would be appreciated.
Thanks,
Missouridave
Thanks,
Missouridave
- Tue Mar 14, 2006 7:02 pm
- Forum: General Discussion
- Topic: Swap meet?
- Replies: 22
- Views: 12461
Re: Swap meet?
This web site:
http://www.freecycle.org/
has a concept that might work here. You can only give things away for free. It works well regionally, and could probably work for electronica, if someone (N&V) set it up.
http://www.freecycle.org/
has a concept that might work here. You can only give things away for free. It works well regionally, and could probably work for electronica, if someone (N&V) set it up.