#9
Posted by J.Todd at 2010-02-16 23:05:22
I would like to know the difference between a regular gear and a high gear mower, thanks for the help
Response by Norm macknair at 2010-02-17 13:17:15
The scientific way to say it is; if your ground wheel turned 750 RPM. The flywheel would turn 3562 RPM in the Regular gear and 3818 RPM in the High gear. While this is over simplified, you get the idea. I am not a physics or engineering major, so I could be wrong, but it sounds good.
The reg gear and High gear mower have two gears and a tool box lid different.
Regular gear has 12 tooth and 57 tooth
High gear has 11 tooth and 56 tooth.
Norm
Response by kman at 2010-02-17 13:19:55
the number of teeth on the gears. Some one will know the exact count. It should be stamped on the tool box High gear too.
Response by Rick at 2010-02-17 13:58:34
I am certainly no expert and am a novice--but I believe that the High Gear models are geared so that the blades on the cutter bar reciprocate faster at a slower ground speed. Slower walking horses or mules would use a high gear and larger breeds or animals that walk a little faster would use a Regular gear machine.
Response by Frank Ise at 2010-02-18 06:58:34
Norm. What is your opinion of the trailer gear being pulled by horses? How about the David Bradley?
Response by Will Beattie at 2010-02-19 08:48:58
This website sells reprints of the original parts list and owners manual for both the no. 7 and no. 9 mowers.
http://www.binderbooks.com/implement.htm
Response by Norm at 2010-02-24 13:35:03
Sorry, I forgot this was posted. Around here (amish country) a trailer gear mower will drive price on mower up another $300 to $500. I guess the theory is:
While 5th gear is nice in a truck you may have to downshift to get more torque involved to go up the mountain. the same is true for high gear and trailer gear. while mowing along at high speed as long as everything is going smooth great but hit some tough stuff and high gear may bog down while trailer gear plugs through. Make sense??? thats the theory, can't prove it again but sounds good.
Unfortunately David Bradley across the nation is not well known and not much is said in my direction about them.
The best kept secret is actually the latest New Idea, but very hard to find and parts are a problem. I have only worked on one and it seemed like it might run rings round IH and JD. I'd be curious to hear from someone who has experience with them.
Norm
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