Re: [EVDL] Silent Shadow motor experiment failed. Shaft drive 3.5
The bike is a VT700 with a 24 inch OD tire. 3.5 to one as measured on th=
e =
outside. Shaft drive. The Yale Forklift motor provides no fan cooling=
. Silly =
me I thought all motors had a fan inside to move air through. I'd love t=
o =
tryforced cooling It might be easier than changing motors. I thoug=
ht the =
series motors were good heat sinks. I have experience with ETEK motors a=
s I =
melted one going up hills. I had changed my gear ratio and it was too lo=
w but I =
had an 18 inch rear motorcycle tire.4.0 to one with the ETEK. So r=
pms were =
more.4.5 to one ratio with the A89.I never had trouble with the A89 m=
otor . =
It is now with a new owner at 72v and really hauls A$$. No over heating.=
I'm =
running Silent Shadow at 120vdc 400 amps but didn't use any where near that=
to =
smoke the motor. I've seen White Zombie and Killacycle run high volts an=
d amps =
with my ratio. I though with the 8 inch motor and 120volts I might get a=
way =
with my ratio. I suspect an ADC 8 inch would be perfect with no cooling =
but =
that almost weighs twice what the Yale fork motor weighs.. Maybe the L o=
r K =
91's but maybe I'm asking too much.It seems to have plenty of power just=
not =
enough cooling. Are there motors that can run low rpms and not overhe=
at. =
Lawrence Rhodes..
_______________________________________________
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The bike is a VT700 with a 24 inch OD tire. 3.5 to one as measured on th=
e =
outside. Shaft drive. The Yale Forklift motor provides no fan cooling=
. Silly =
me I thought all motors had a fan inside to move air through. I'd love t=
o =
tryforced cooling It might be easier than changing motors. I thoug=
ht the =
series motors were good heat sinks. I have experience with ETEK motors a=
s I =
melted one going up hills. I had changed my gear ratio and it was too lo=
w but I =
had an 18 inch rear motorcycle tire.4.0 to one with the ETEK. So r=
pms were =
more.4.5 to one ratio with the A89.I never had trouble with the A89 m=
otor . =
It is now with a new owner at 72v and really hauls A$$. No over heating.=
I'm =
running Silent Shadow at 120vdc 400 amps but didn't use any where near that=
to =
smoke the motor. I've seen White Zombie and Killacycle run high volts an=
d amps =
with my ratio. I though with the 8 inch motor and 120volts I might get a=
way =
with my ratio. I suspect an ADC 8 inch would be perfect with no cooling =
but =
that almost weighs twice what the Yale fork motor weighs.. Maybe the L o=
r K =
91's but maybe I'm asking too much.It seems to have plenty of power just=
not =
enough cooling. Are there motors that can run low rpms and not overhe=
at. =
Lawrence Rhodes..
_______________________________________________
| REPLYING: address your message to [email protected] only.
| Multiple-address or CCed messages may be rejected.
| UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
| OTHER HELP: http://evdl.org/help/
| OPTIONS: http://lists.sjsu.edu/mailman/listinfo/ev