Posted by pete 23 on June 28, 2009 at 09:10:07 from (173.87.14.132):
In Reply to: Hiniker Cab - ROPS? posted by Koeppel on June 26, 2009 at 06:02:45:
Installed both makes of cabs, both are mfg in same area, Mankato, Mn. not far from here. I think it is one of those deals where the owners split off, keeping same basic design with a few changes they could not agree on. Not 100% sure of that. Some thing like M&W co. and A&W. When we purchased a new dynamometer many years ago, we got an A&W. The co. rep delivered and set it up, working with me all morning long putting a few different tractors on showing me the features. About noon, I asked him, what he thought of the M&W dynamometer. His reply, well, I am the W in that co. Art Warsaw. We did not agree with how a dyno should be build so I sold my interest and started my own co. Reason being, he wanted to use a direct reading brake system not fluid hydraulic pumps. This was the only dyno at the time that IH approved to pull the tractors down to overload speeds and hold them there to adjust the torque rise on the 100 series Bosch Injection pumps. That being said, Torque x RPM divided by 5252 equals horse power. Have to keep that in mind when you test hp at speeds below the calibrated setting on dyno at the time of the test. If your rpm is below that set point your hp is not what dial is showing.You need to read the torque and rpm and then calculate the actual HP. I'm a little rusty on this right now, but I think it took about 30% torque rise to maintain (not lose) hp as you dropped in rpm. I understand that some of the latest dyno's automatically calibrate torque and rpm to give you actual hp at any speed but have never seen or used one. A little off subject but just had to throw that in as I think the Year Around , Hinkiker situation is similiar to A&W and M&W.
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