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| new guy buildin surface drive help http://mudmotortalk.com/mmt_v2/viewtopic.php?f=2&t=15568 |
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| Author: | mallardman2008 [ Mon Jan 24, 2011 6:06 pm ] |
| Post subject: | new guy buildin surface drive help |
building a surface drive 16 horse need as many measurements gear box size pulley size shaft length cavitation plate size motor mount idea prop size plans sketches anything pics ideas anything please |
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| Author: | Woodiebuster [ Mon Jan 24, 2011 7:07 pm ] |
| Post subject: | Re: new guy buildin surface drive help |
get you some graph paper and keep perfectin it... I have been drawin one for months and just about have it thought out. The mounting bracket / hydro trim has been the hardest part. |
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| Author: | dguidry [ Mon Jan 24, 2011 7:43 pm ] |
| Post subject: | Re: new guy buildin surface drive help |
| Author: | Woodiebuster [ Mon Jan 24, 2011 7:49 pm ] |
| Post subject: | Re: new guy buildin surface drive help |
| Author: | cb5331 [ Mon Jan 24, 2011 8:21 pm ] |
| Post subject: | Re: new guy buildin surface drive help |
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| Author: | r1ley [ Mon Jan 24, 2011 11:56 pm ] |
| Post subject: | Re: new guy buildin surface drive help |
I'm getting towards the end of building a 16 hp surface drive and I was exactly where you were about 6 months ago. Your going to need a 3/4" stainless shaft. As for the pulleys, look for around a 1.4:1 gear ratio. I am going to be running a 34 on the motor and 48 on the prop side. I'm using the 8mm pitch 21mm belt width gates drive. http://www.youngssurplus.com/synchr-pulleys.htm. That website has some really good prices on the pulleys. Theyre really expensive most places. Another good website for parts is www.mcmaster.com. They have just about anything you could imagine at pretty good prices and they ship fast. As far as dimensions you just have to figure out what works. For instance, depending on how you mount the motor, the length of your belt housing is going to vary on how high or low it is mounted. You want to have the bottom of the box above the bottom of the boat but not so high that the prop goes into the water at a steep angle or not deep enough. And the depth your prop goes into the water also depends on how long your make your drive tube. I think mine is about 24 inches. Like woodiebusters said, the mount and trim is the hardest part. I ended up making mine kinda like mudbuddy does on their mini. I saw a pic of the way gator tail does it the other day and I think I might have liked that better. Just search for pics to get ideas and then you can pick and choose what you like and don't and make it your own. |
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| Author: | r1ley [ Tue Jan 25, 2011 12:12 am ] |
| Post subject: | Re: new guy buildin surface drive help |
oh and i post a couple pics on here a couple weeks ago. The name of the thread is building a small hyperdrive. It's on the second page. |
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| Author: | Mag10 [ Tue Jan 25, 2011 12:27 pm ] |
| Post subject: | Re: new guy buildin surface drive help |
mallardman, I will try to send those drawings the afternoon. The best thing to do is look at a lot of pictures and select the features you like and incorporate them into your design. If you get a good side vew and you know 1 dimension it is pretty simple to set up a scale to measure right off of the pictures. Mag10 |
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| Author: | mallardman2008 [ Tue Jan 25, 2011 4:47 pm ] |
| Post subject: | Re: new guy buildin surface drive help |
thank you all i made my box 20 inches long 6 inches wide and 6 inches deep thanks for the help so far coming right along |
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