How to / DIY > Engines
engine power?
wildman:
i just won the auction on an isuzu c201. :) it supposedly has 32 hp, but at what rpm? what would the power be at 1800?
has anyone already set one of these up for generation? i would love to see some pics.
how big of a radiator will i need to cool this thing??
thanks- chuck
dkwflight:
Hi You should be able to find a power curve for the engine someplace on the web. You can then extrapolate from the chart.
Failing that find a power curve for a similar engine and take a guess.
A rad of a small truck should be fine. An S-10 or a ranger. A cheap household box fan should move enough air.
You need to install a thermostat. I got one for a small car and it would work ok for you. Drill a small hole in the plate of the thermostat. I/16"
Mount the rad high and the hot water will circulate on its own. (Thermosyphon)
Start readind a lot of the old posts here. Lots of information
Dennis
ZackaryMac:
wildman
Go to this forum, and look for a guy called JLemond (Jerry). He is THE Isuzu Guru on several Isuzu-powered forums I go to. If anyone can tell you about these engines, it be he.
Here is the forum:
http://www.isuzupup.com/forum/viewforum.php?f=1
mobile_bob:
what did the c201 come out of?
if it was from a car, there might be govenor issues for using it in a genset (rpm stability)
in either case figure on about 18-20 hp at 1800rpm
these engines were used in cars, pickups, gensets, and refer units
the automotive ones used rotary injection pumps
the gensets and refer units used inline injection pumps
the inline pumps are calibrated differently for use either as a genset motor or a refer motor.
bob g
wildman:
thanks for the info guys,
the engine is out of a thermoking refeer unit. wwe fired it up on the pallet!!! no movement at all. this unit is IDI, which i understand is the difference between the c201 and c240. displacement difference as well.
mobile bob--i understand that you have some of these as well. do you have a manual on the engine?? in the event that i need to rebuild, i need the particulars of the engine. still trying to line out all of the details of the driveline.
looks like i will be using a double cardan joint with a flange on both ends. if my math is right, at 1800 rpm we are looking at 30 rev per sec, which is 15 power pulses per sec (4 stroke engine). multiply this by 4 cylinders is 60 pulses per sec. its amazing that we are looking for 60Hz power. time the engine in sync with the poles of the generator and you get the power pulse on top of the sine wave (or very close to it). time it 90 deg out of sync and the pulse is at the cross over of the sine wave (o volts). hmmmm??
thanks for all info- it is really appreciated- chuck
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