Posted by Janicholson on December 20, 2009 at 09:32:53 from (199.17.6.222):
In Reply to: exhaust lift posted by Joe Dowling on December 20, 2009 at 08:27:18:
A simple overview: Almost all IC engines have an exhaust stream that can act as a compressor. This can be utilized for lifting and moving implements just like an air cylinder. In the day, it was cheaper and usable to make a system that diverted exhaust gasses to a cylinder (large diameter) with (I believe) leather seals and attachments to operate different cultivation tools. Hydraulic systems were more precise, and eventually cheaper due to production numbers. Control of depth and down pressure were "springy" and (opinion) that is the major performance issue. The pressure was modest, and it had to be to avoid likking the engine. JimN
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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