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| speed sound right https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=6&t=34143 |
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| Author: | Choot'em [ Thu Nov 08, 2012 10:31 pm ] |
| Post subject: | speed sound right |
Guys i'm fairly new to mmt ,but i have been reading as a guest for months and really appreciate all the knowledge you all have to share. I recently bought a 35hp backwater LS that I put on my f&f 1548 with small pods 16" transom and true flat hull with runners. I am getting 23-25mph on average with 6gal gas, 80lb deep cycle battery, flip blind, me(190lbs) and a few back up essentials in case something breaks. Does this sound like respectable speeds? Also if it helps i'm running a 9x8 prop new |
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| Author: | robster1213 [ Thu Nov 08, 2012 10:35 pm ] |
| Post subject: | Re: speed sound right |
I would think your prop is pretty small. I would think you would be running a 10" or 11" prop with 35hp and a small boat. |
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| Author: | take'emgator [ Thu Nov 08, 2012 11:58 pm ] |
| Post subject: | Re: speed sound right |
What does your prop measure from tip to tip, should be 12 1/4", that 35 should be turning a big blade no matter size of boat, measure it from tip to tip and post it up, if you in the 11" range it needs to be replaced |
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| Author: | Walkers Bay Synd [ Fri Nov 09, 2012 3:03 am ] |
| Post subject: | Re: speed sound right |
Welcome. I'm a newbie too, the collective knowledge is worth signing on for. |
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| Author: | bpgast [ Fri Nov 09, 2012 10:14 am ] |
| Post subject: | Re: speed sound right |
The 9X8 is the correct prop for a Back Water longtail. NO longtail runs a 11 or 12" prop. MB experimented with a 11" with their new super longtail, but went to a 10". Speeds sound great for a longtail. Sounds like you have a nice set up. |
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| Author: | Choot'em [ Fri Nov 09, 2012 5:49 pm ] |
| Post subject: | Re: speed sound right |
Prop measures 9" across by 2 3/4" front to back going to get a tiny tach to measure rpm's in the morning it helped that I finally got all the leaks out of the pods and I'm gonna do the break in oil change as well boat measures 16'8" long with pods with 1/8th in hull |
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| Author: | Choot'em [ Fri Nov 09, 2012 5:57 pm ] |
| Post subject: | Re: speed sound right |
Here's a pic of my rig |
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| Author: | take'emgator [ Fri Nov 09, 2012 5:57 pm ] |
| Post subject: | Re: speed sound right |
Sorry i saw 35 and assumed it was a surface drive |
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| Author: | Choot'em [ Fri Nov 09, 2012 6:50 pm ] |
| Post subject: | Re: speed sound right |
Got the 35 cuz I wanted the extra torque/thrust to haul my gear and hunting buddies around with usually run 3 guys 4 doz dekes 4 spinning wings plus gear guns and occasionally a dog |
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