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| 11 HP HOME BUILD https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=27542 |
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| Author: | langr [ Fri Mar 09, 2012 11:49 pm ] |
| Post subject: | 11 HP HOME BUILD |
I'M BUILDING AN 11 HP HONDA MAD MUD MOTOR, ANY SUGGESTIONS ON A GOOD ALL-AROUND SIZE PROP? 14X36 SEMI-V GRUMMAN BOAT WITH PODS ALMOST COMPLETE. |
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| Author: | autogateman [ Sat Mar 10, 2012 12:22 am ] |
| Post subject: | 11 HP HOME BUILD |
Well tell you after you turn off the caps lock |
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| Author: | sftull [ Mon Mar 12, 2012 12:19 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
| Author: | langr [ Mon Mar 12, 2012 8:29 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
Alright, the caps lock is off. |
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| Author: | Randal [ Mon Mar 12, 2012 8:45 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
7X4 or 8X4 for 11 hp |
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| Author: | langr [ Tue Mar 13, 2012 4:24 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
Have any idea which is faster? |
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| Author: | langr [ Tue Mar 13, 2012 4:33 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
I'm assuming the 8x4. |
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| Author: | sftull [ Thu Mar 15, 2012 7:06 am ] |
| Post subject: | Re: 11 HP HOME BUILD |
| Author: | langr [ Thu Mar 15, 2012 10:53 am ] |
| Post subject: | Re: 11 HP HOME BUILD |
The motor was given to me so that's what I have to go with. I'm also building pods for the back. Just have to finish welding them up. |
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| Author: | sftull [ Thu Mar 15, 2012 1:30 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
Are you building a long tail or a surface drive? That will determine what size prop you use. |
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| Author: | langr [ Fri Mar 16, 2012 3:48 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
Longtail. Almost complete. I'm hoping the pods I designed and cut out will help. I based them off of Beavertails' pods. Well just see. I know longtails aren't fast, but here in Arkansas we dont deal with mud much. Mainly stumps, debris under the surface and logs in the flooded timber. |
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| Author: | Buzz Killington [ Fri Mar 16, 2012 5:21 pm ] |
| Post subject: | 11 HP HOME BUILD |
8x4 will be mint for that setup |
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| Author: | sftull [ Fri Mar 16, 2012 6:52 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
X2 the 8x4 will work great. |
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| Author: | langr [ Sat Mar 17, 2012 12:28 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
sftull, what makes you think my boat won't plane out. Just curious. Ive delt with outboards for as long as I can remember. Still a little green with the mud motors, but loving it. My project has rubbed off on my father in law. Now were talking about building him one. |
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| Author: | Woodiebuster [ Sat Mar 17, 2012 8:54 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
11 hp in mudmotor isn't equal to 11 hp in outboard. I had a 13 with a 1442 and it was a great one man rig, but add a second man and some decoys and it fell on it's face |
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| Author: | langr [ Mon Mar 19, 2012 5:29 am ] |
| Post subject: | Re: 11 HP HOME BUILD |
Ill have to remember that. What hp engine would you recommend? |
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| Author: | sftull [ Mon Mar 19, 2012 2:55 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
If you want speed, then build a surface drive. |
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| Author: | Woodiebuster [ Mon Mar 19, 2012 4:45 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
How wide is your hull? A 13 hp is the biggest single cylinder, after that there is a 14 hp briggs v-twin but if you decide to go with a v-twin get the 23 Briggs (same weight as 14) |
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| Author: | langr [ Tue Mar 20, 2012 9:58 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
My hull is 36". Maybe ill finish this one and build a bigger one. Thanks for the info. |
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| Author: | Aeroflyre [ Tue Jun 05, 2012 1:15 pm ] |
| Post subject: | Re: 11 HP HOME BUILD |
Modern outboards rate hp at prop - your engine is rated at the shaft outboards are in-line thrust with the hull - longtails are angled thrust Johnson 9.9 may run a 10in. pitch prop - you are looking at a 4in. pitch prop. Every revolution would theoretically move the prop 10 inches forward versus the 4 inches - that gives the outboard more than twice the distance covered for the same rpms Outboards = fast in clean water Longtails = torque advantage in soup Your hull will have to achieve a certain speed under different loads to "plane". You can only go so fast with a 4in prop, but you will go with confidence. |
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