Yes. motor speed to alternator speed would definitely make a big
difference. I'm not exactly an expert on motor- generators, but I'd
expect efficiency to be somewhere near 50%. IOW 2.7 hp in/ 1.35 out
would be more like it.
Al Brase

Jeff Ensing wrote:

>In a message dated 1/31/2006 2:38:01 P.M. Eastern Standard Time,
>kdlewis_wating_time@ALLVANTAGE.COM writes:
>
>Quoting  Phil Zimmerman <philzimm1@OBERON.ARK.COM>:
>
>Interesting.  70  amps times 14.4 volts is only equivalent to 1.35
>(electrical)
>horsepower.
>
>....Found a
>
>
>>three phase 10 Hp motor  (we are talking some real Hp here). Was finally
>>
>>
>able
>
>
>>to get 60-70  amps
>>charging out of a typical alternator with this  set-up......
>>
>>
>
>
>
>
>What size pulley was on the electric motor  in relation to the  alternator?
>
>jeff E
>87' Westy "weekender"
>Atlanta,  Ga.
>
>
>