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| Need to make a drive shaft for a 9hp diesel long tail https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=27873 |
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| Author: | takoateli [ Thu Mar 22, 2012 9:09 pm ] |
| Post subject: | Need to make a drive shaft for a 9hp diesel long tail |
I have a drive shaft which I had made but it's not straight and I need to make another. It's for a 9hp diesel engine with a lot of torque for a 9hp. What should I make the drive shaft out of? I needs to be 1" or less in diameter. Thanks! Greg |
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| Author: | Woodiebuster [ Thu Mar 22, 2012 9:28 pm ] |
| Post subject: | Re: Need to make a drive shaft for a 9hp diesel long tail |
Where are you getting your prop from? The industry standard is a 3/4" 10 tpi threaded hub on a 3/4" shaft with a keyway in the u-joint end, that will hold up fine. |
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| Author: | takoateli [ Thu Mar 22, 2012 9:32 pm ] |
| Post subject: | Re: Need to make a drive shaft for a 9hp diesel long tail |
I have a Hopkins Propeller MB1 but I really need the MB11 I believe. My motor runs a straight shaft, no u-joint. And my prop goes on a smooth shaft with a shear pin. But what is the shaft itself made of? That's what I need to know. I need to have one made here in Venezuela. You can see the motor at http://gregihnen.me |
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| Author: | Quackkillz [ Thu Mar 22, 2012 11:14 pm ] |
| Post subject: | Need to make a drive shaft for a 9hp diesel long tail |
Go devil uses carbon steel |
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| Author: | Mag10 [ Fri Mar 23, 2012 6:40 am ] |
| Post subject: | Re: Need to make a drive shaft for a 9hp diesel long tail |
I typically use 3/4" 17-4 H1150 or 4140 Heat treated turned ground and polished. On a 9 hp you could probably get away with using cold rolled 1018. |
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| Author: | takoateli [ Fri Mar 23, 2012 7:26 am ] |
| Post subject: | Re: Need to make a drive shaft for a 9hp diesel long tail |
| Author: | slimboo1 [ Fri May 11, 2012 8:50 am ] |
| Post subject: | Re: Need to make a drive shaft for a 9hp diesel long tail |
i fished there in the past .... what a wonderful place... i would use 3/4" hot or cold roll steel... look at support races on metal buildings ... if memory service me they us that size too... good luck |
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| Author: | takoateli [ Wed May 16, 2012 7:36 am ] |
| Post subject: | Re: Need to make a drive shaft for a 9hp diesel long tail |
| Author: | indawoods [ Fri May 18, 2012 4:10 am ] |
| Post subject: | Re: Need to make a drive shaft for a 9hp diesel long tail |
every drive shaft on every mud motor made here in the states is a solid shaft, 3/4" for your application. 4140 stainless is common, cold roll steel will work and does for home builds on the cheap. with as many stumps/logs as you encounter, I would go with the solid shaft, not a tube. get the stainless if you can. |
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