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sport 40 prop

Old 11-19-2006, 11:01 PM
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andrewhendler
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Default sport 40 prop

What is a good prop to start with for a sport 40 hydro
Old 11-19-2006, 11:45 PM
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Ron Olson
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Default RE: sport 40 prop

Octura 646/3 to X-450/3. they're non-lifting props that will make it more drivable.
Old 11-19-2006, 11:50 PM
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andrewhendler
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Default RE: sport 40 prop

Thanks ron, I can count on you. It is an aeromarine if that makes a differance. I am going to buy a variaty of props for it so the bottom to the top of the spectrum would be great.
I mean sport to race running.
Old 11-20-2006, 12:20 AM
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Ron Olson
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Default RE: sport 40 prop

A lot of it will depend on what you're going to power it with. You might find an X-447 or 448 more to the boats liking so if you're going to mess with props, there are 2 more to try but the first 2 that I gave you seem to be the most popular.
Old 11-20-2006, 12:24 AM
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andrewhendler
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Default RE: sport 40 prop

it is an ops .45 engine. Also where is a good place to mount the radio box and tank
Old 11-20-2006, 12:34 AM
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andrewhendler
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Default RE: sport 40 prop

ron what about a x646 3 blade
Old 11-20-2006, 12:53 AM
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Default RE: sport 40 prop

The X-646/3 is a great place to start but the engine might take more, it will let you know.
I haven't seen the insides of the Aeromarine Sport 40 but you want as much weight forward as you can. mount the fuel tank on the right side if possible and even better if you can get it down into the right sponson.
If the radio box is movable, try to get it as close to the engine as you can but not so close that you can't get in to wrench on the flex cable coupler.
Got any pictures that you can post? I'd like of see the inside of it.
Seeing how you're in IMPBA territory, only the drive dog on back can be exposed when looking down from the top. Some people mount the strut on the floor of the boat. On the one that I built, I mounted the bracket on the inside of the transom. I just didn't like the idea of having the bolt heads hanging down out of the bottom. Button-head allen drive bolts would be cleaner underneath though if you go that route. They are harder to find in Stainless steel though.
Old 11-20-2006, 01:06 AM
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Default RE: sport 40 prop

The Aeromarine Sport 40 I had for a short time had the fuel tank in front of the motor and the radio box was behind the motor. Prop I had on there was a X450/2. Motor was a K&B 45 drum rotor.

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