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Posts: 323
| I have an older Tuffy Marauder with a 1990 Merc 50hp. My aluminum prop has been reworked a few times and now any time it touches anything it bends. I am thinking on getting a new prop and have some questions. Does anyone run a compprop? If so have you bumped stumps or logs at slow speeds and what were the outcomes? How are their performance? I currently have a 13 pitch. If I go with stainless should I keep the same pitch prop as the aluminum? I primarily fish stumpy flowages and rivers in WI. I don't have problems with high speed encounters, I just bump the ocassional stump or rock at slows speeds. If I go with SS what can I expect performance wise from a 50hp? Thanks in advance for all your help and good fishing................TC |
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Posts: 720
| Hi Todd,
While I'm no expert this what I ended up doing when I switched. I run a Yamaha F80 with a standard 13 1/4" X 17 (pitch) prop. Like you its been reworked a few times. So I decided to switch to a new Hustler prop from Turning point this prop was aluminum and the same size. However, instead of running WOT at 5600 rpms it dropped to 4600 rpms with the new prop. Turning point props have a more aggresive cup hence the drop in rpms. So they switched out props down to a 15 pitch SS prop. The rpms are back where they are suppose to be and the performance is even better than before.
Pay attention to the cupping on the new prop compared to the old prop it will make a difference in the motor performance. If all things are equal pitch and size are the same along with how aggressive the cupping is the SS prop should be the same as the aluminum prop.
Good luck
Dave |
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Posts: 1764
Location: Ogden, Ut | I talked to the guys in our Parks and Rec shop and they were very disappointed in the durability of the Comp prop. They said that they would not use them as a main prop anymore, but as a spare - just to get you home. Small sticks and floating debris really took their toll on the blades. They are cheap, however.
I have stainless on my 50 Yammie - no problems w/ it. I have bumped a few things w/ it that I feel would have slightly damaged an aluminum. (I run in reservoirs - every spring the water comes back up and created a new minefield) Basically I'm glad I have it - it came w/ the boat so I didn't have to shell out the $$ for it. Doubt I would have if I hadn't used it first. I don't think performance differences will be very noticable at that horsepower. But the only way to know for sure is to try it - every boat/motor combination is unique. |
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Location: Athens, Ohio | I have no direct experience with the composite propos. My boat mechanics have told me the only use they have for these props is, since they are light weight, they can be stowed on-board to get you home in an emergency situation. I would not rely on them for continued service, though. m |
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Posts: 1335
Location: Chicago, Beverly | I have a Tuffy Rampage with a 40hp evinrude. I use two props on it, I have a 12 3/4"X15" AL and a 13 1/4"X17" SS. I get more top end out of the SS prop, but am unsure of my rpms with it so mostly run the 15" especially in rocky or stumpy waters... MY SS is a Michigan Wheel, and the AL is a OMC prop. I had the AL cupped by Air Marine and it did make a difference.... I get just over 30mph average GPS with the 15" with a max of about 32mph and a max of about 34-35mph with the SS 17"... I would only go composite like others said, as a get me home spare prop.. |
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