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| 9x9 to a 10x8 prop http://mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=57229 |
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| Author: | tbonzzz [ Wed Oct 08, 2014 6:54 pm ] |
| Post subject: | 9x9 to a 10x8 prop |
Has anyone switched from a 9x9 to a 10x8 on a surface drive if so how did it do |
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| Author: | Mag10 [ Thu Oct 09, 2014 11:27 am ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
What HP and gear ratio? |
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| Author: | tbonzzz [ Thu Oct 09, 2014 5:38 pm ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
14 hp don't no the gear ratio its on a 10 hp Dixie mud frame |
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| Author: | tbonzzz [ Thu Oct 09, 2014 5:39 pm ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
14 hp don't no the gear ratio its on a 10 hp Dixie mud frame just won't push |
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| Author: | Mag10 [ Fri Oct 10, 2014 11:20 am ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
If the ratio is anything close to 1.5:1 you should be able to turn it. Get access to see the top pulley. Turn the prop 1 turn and see how many revolutions you get on the top pulley. |
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| Author: | North LA Hunter [ Fri Oct 10, 2014 12:31 pm ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
I ran a 10x8 on a 12 hp and it did well. But not sure about the different gear ratio. Sent from my beeper |
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| Author: | tbonzzz [ Sat Oct 11, 2014 8:22 am ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
Just checked the gear ratio 1.25 to 1 prop 1 revolution motor 1.25 |
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| Author: | LA Prop [ Sat Oct 11, 2014 12:36 pm ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
you should be ok dropping pitch and adding diameter it should almost be the same |
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| Author: | Duckduckgoose152 [ Tue Oct 14, 2014 7:00 pm ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
How did it go? I have a 10hp frame with a prop issue. |
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| Author: | tbonzzz [ Tue Oct 14, 2014 8:08 pm ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
Ended up being an rpm issue got 18 mph out of it with the 9x9 prop 2 men in the boat 1436 alumacraft |
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| Author: | BigJoe [ Fri Jan 23, 2015 11:51 am ] |
| Post subject: | Re: 9x9 to a 10x8 prop |
When you say RPM issue what do you mean. A buddy just bought a 10 hp dixie, with a broken belt. We fixed that, then the shaft broke so a new shaft was machined out of T1. Now we got it going and it also has a 9x9 prop. But can't get anything more than idle out of the motor when in the water with one person and no battery on a 14x40 flat john boat. It revs up find out of water but want once you set it down. Also what's the gear ratio suppose to be on the 10 hp. I appreciate any help. My 12 hp copperhead will shove that boat 22 mph with the same load. So it's hard to believe that's all the motor can do is lug along at idle. |
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