Fowl Habit
Cadet
- Joined
- Nov 4, 2004
- Messages
- 8
Re: Cutless Bearings
Your right, i did mis-understand you. That makes a bit more since! I've only got 35 hours on this thing this far, but this is what i've found in regards to the rest of your post. Trust me, i experiment like a mofo. I've run the 2 blade mud prop you see in the pics on my site. That thing will throw you up on plane within 10 feet and rev to 5,000 RPM. It gets 4-5 mpg cruising at 3,000 - 3,500 rpm at pretty much the rpm minus 2 digits. 3,000 is 30 mph. When you feel your self in skinny water, a quick feather of the throttle will lift you up and send you over almost anything. When this prop was new it only turned 4,300 and hit a top speed of 58.6 mph (pre sand bar). A while back I bought a couple used Mercury racing Chopper props and sent them out for new hubs to fit my drive. Last weekend was my first outing with these props. I went with 22x14.5 and it is way too much prop. I did some calculating and it would need a 1.5:1 drive to have a chance at spinning the wheel right. When I tried to run it WOT, it will get to 3,000 and stummble. It does run 53 mph at 2,800, but that's a bit too much load on my motor, etc. I got somewhere in the neighborhood of 3 mpg or less. Didn't have it on long enough to really get a mileage out of it. I was thinking very much along the lines you were and it just didn't make since other than to be able to throw it in low to auger through clay which is something i do not have here. Which at that point it supposedly works great for that but does tend to shear drive lines from what i've been told. From everything i've been tought, the prop needs to be able to spin at the operating range to get fuel economy and longevity. When I do get these Chopper and cleaver props figured out, i'm hoping for a cruise of 45 @ 3,000 and top speed somewhere in the 70's with very little hanging down below the boat. No, i do not have a slick bottom.<br /><br />Tom, I took a look at peek and it sounds more like a high temp polymer than a sand resitant self lubricating material. At this point, i wish i could just use ball bearings with grease like the rest of the drive line.<br /><br />Keith, The Orkot sounds very much like the vesconite. The only difference i see between the two materials is the Vesconite says no water swelling and the Orkot say very low water swelling. Orkot seems to be much more readily avalable in the config I need.<br /><br />I'll get on the phone with these guy's today to see what they have to say. Definatley what i was looking for, Thanks guy's!
Your right, i did mis-understand you. That makes a bit more since! I've only got 35 hours on this thing this far, but this is what i've found in regards to the rest of your post. Trust me, i experiment like a mofo. I've run the 2 blade mud prop you see in the pics on my site. That thing will throw you up on plane within 10 feet and rev to 5,000 RPM. It gets 4-5 mpg cruising at 3,000 - 3,500 rpm at pretty much the rpm minus 2 digits. 3,000 is 30 mph. When you feel your self in skinny water, a quick feather of the throttle will lift you up and send you over almost anything. When this prop was new it only turned 4,300 and hit a top speed of 58.6 mph (pre sand bar). A while back I bought a couple used Mercury racing Chopper props and sent them out for new hubs to fit my drive. Last weekend was my first outing with these props. I went with 22x14.5 and it is way too much prop. I did some calculating and it would need a 1.5:1 drive to have a chance at spinning the wheel right. When I tried to run it WOT, it will get to 3,000 and stummble. It does run 53 mph at 2,800, but that's a bit too much load on my motor, etc. I got somewhere in the neighborhood of 3 mpg or less. Didn't have it on long enough to really get a mileage out of it. I was thinking very much along the lines you were and it just didn't make since other than to be able to throw it in low to auger through clay which is something i do not have here. Which at that point it supposedly works great for that but does tend to shear drive lines from what i've been told. From everything i've been tought, the prop needs to be able to spin at the operating range to get fuel economy and longevity. When I do get these Chopper and cleaver props figured out, i'm hoping for a cruise of 45 @ 3,000 and top speed somewhere in the 70's with very little hanging down below the boat. No, i do not have a slick bottom.<br /><br />Tom, I took a look at peek and it sounds more like a high temp polymer than a sand resitant self lubricating material. At this point, i wish i could just use ball bearings with grease like the rest of the drive line.<br /><br />Keith, The Orkot sounds very much like the vesconite. The only difference i see between the two materials is the Vesconite says no water swelling and the Orkot say very low water swelling. Orkot seems to be much more readily avalable in the config I need.<br /><br />I'll get on the phone with these guy's today to see what they have to say. Definatley what i was looking for, Thanks guy's!