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| Problems with short tail mm https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=44924 |
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| Author: | Bcartee17 [ Sun Sep 01, 2013 9:48 am ] |
| Post subject: | Problems with short tail mm |
I figured if I could find any help on this problem it would be here. I have a predator 212 which is a 6.5 HP, the motor has been gutted and built with a stage 3 kit from nr racing. It should be pushing around 12-13 HP. When I ordered the frame from dixie he put a 9x9 hill marine prop on it. It's mounted on a 13 foot riverhawk original, which is like a fiberglass canoe, I took it out yesterday for the first time and ran into some issues. You can hold the prop at the surface of the water and the rpms will rev to 4-5000 rpms but the boat is not really moving and I'm getting a lot of spray and the motor never bogs down. Once you drop the trim/ prop below the water the motor slugs down to 16-1700 rpms and still is moving slow. The rpms will never get above 1700. I know something isn't right. There is a guy on youtube with the same setup only he is running a 9x6 and his is mounted to a lowe 1436. could that lil difference in prop size kill it that bad? Any help here would be awesome. Thanks |
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| Author: | Bcartee17 [ Sun Sep 01, 2013 9:50 am ] |
| Post subject: | Re: Problems with short tail mm |
Here is a video or pic, not sure which one uploaded |
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| Author: | Dherndon [ Sun Sep 01, 2013 11:17 am ] |
| Post subject: | Re: Problems with short tail mm |
I wouldn't think it would be the prop. Friend of mine just put a 5.5 on a Dixie frame with 9x9 prop and he gets 16 mph, granted his boat is only 10ft and weighs 125lbs |
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| Author: | Bcartee17 [ Sun Sep 01, 2013 12:15 pm ] |
| Post subject: | Re: Problems with short tail mm |
Yeh I'm not too sure, going to run it again today and see what's wrong |
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| Author: | waterfowl1 [ Sun Sep 01, 2013 6:24 pm ] |
| Post subject: | Re: Problems with short tail mm |
its your prop. try a 9x6. |
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