- #1
- 451
- 0
some help with numbers please?
I'm trying to make a very small generator. I had in mind using http://www.osengines.com/engines/osmg1400.html engine.
It is a wankel engine, designed for rc airplanes and cars.
Here are some specs on it:
Displacement: 0.303 cu in (5.0 cc)
Practical rpm: 2,500-18,000
Output: 1.27 bhp(ps)/17,000 rpm
Weight: 11.8 oz (335 g)
Now, perhaps you can see my reasoning for wanting to use this engine. My questions start when I try to figure out how much power I can make with this thing. I understand that 1 horsepower is roughly equivalent to 746watts. So does this mean this engine would be capable of generating somewhere around 1kw of electricity?
Basically I need some help determing what kind of motor I would use for the generator. For instance, could I use a motor with stats such as this?
Operating Voltage: 16-24v
No Load RPM 24,000
Amp Draw @ Max Efficiency 21.3a
Max Efficiency 82%
(info borrowed from http://www.offshoreelectrics.com/forsale_motors.htm )
Basically, would using such a motor provide me with the ~1kw the mini-wankel can produce (If I'm correct about that?) or would anyone have any suggestions to get more power in a better manner?
I'm trying to make a very small generator. I had in mind using http://www.osengines.com/engines/osmg1400.html engine.
It is a wankel engine, designed for rc airplanes and cars.
Here are some specs on it:
Displacement: 0.303 cu in (5.0 cc)
Practical rpm: 2,500-18,000
Output: 1.27 bhp(ps)/17,000 rpm
Weight: 11.8 oz (335 g)
Now, perhaps you can see my reasoning for wanting to use this engine. My questions start when I try to figure out how much power I can make with this thing. I understand that 1 horsepower is roughly equivalent to 746watts. So does this mean this engine would be capable of generating somewhere around 1kw of electricity?
Basically I need some help determing what kind of motor I would use for the generator. For instance, could I use a motor with stats such as this?
Operating Voltage: 16-24v
No Load RPM 24,000
Amp Draw @ Max Efficiency 21.3a
Max Efficiency 82%
(info borrowed from http://www.offshoreelectrics.com/forsale_motors.htm )
Basically, would using such a motor provide me with the ~1kw the mini-wankel can produce (If I'm correct about that?) or would anyone have any suggestions to get more power in a better manner?
Last edited by a moderator: