Posted by RodInNS on January 19, 2013 at 09:58:05 from (216.118.158.123):
In Reply to: Re: Ford TW 20 posted by se neb farmer on January 18, 2013 at 19:36:53:
At full power they were not any more economical. Perhaps a bit less so statistically.... What one ought to realize is that while the fords were tested for power at rated engine speed their rate PTO speed is generally several hundred rpm less than rated engine speed. They do make a bit less than rated power at PTO speed... but running a Ford at 18-1900 rpm saves a considerable amount of fuel over running it at rated engine speed. The Deere's often had their rated PTO at rated engine speed so they made full power at 540... but then you've got to run them full tilt to keep up their speed... so they burn the fuel... and they don't have the torque to throttle back anyway. That's why you continously see anectdotal evidence of Ford's that burn a lot less fuel than Deere's....
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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