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Thanks for the info. Think I will keep running this drive RH.
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Originally Posted by Dave M
(Post 4106535)
I switched to a LH prop on my single after 200 hrs of running a RH prop. 10 hrs later my upper self destructed. Coincidence? Maybe?
The boat did run good with the LH prop. I am going to get the drive rebuilt when I have the $$ and use it exclusively for LH props. |
the real risk i feel is to the lower gears. they have been stressed in one direction for all of their lives. to suddenly push the other way, stressing them back in opposite direction is a bit like bending metal, then bending it back the other way. it is significantly weaker with each direction change.
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If its not broken don't fix it driver!!!
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I have a question too while we are thread jacking. 1.36 gears compared to 1.50 gears. Are we getting more top end with the 1.36 gear?? What suffers by changing from 1.50 gear.
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There is a little more to be had on top end with the 1:36 ratio. a few mph depending on your application. 1.36 ratio is also referred as the stronger gear when compared to the 1.50 being it has less teeth allowing it to have more material. when put side by side the 1:36 is larger than the 1:50. Before xr's were developed they used to use 1.36 quality hd diesel gears in high horsepower applications to keep the drives alive. Its better to spin your wheels faster with less torque than slow with lots of torque. 1:50 may have more acceleration than the 1:36 but also lacks in longevity. If you looking to get the most acceleration out of a big horsepower application and drive like a car down the strip no bravo based drive will stay together.
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i believe it is also a way to get effectively more pitch for higher rpm and top speed. once you get up around 30 inches pitch prop options get fewer, so u spin em faster...
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Lucky we did jack this and for that I am sorry, but these questions and answers are great and I have learned a good deal. I run a 1.36 with a stepped hull so I dont use anything to get going. I come out slow becuase I dont need to hammer down at all to get going. I care more about mid to top then get up and go.
Great info on the 1.36 and 1.50. I feel better about my drive now. LOL |
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