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Prop help for Arneson ASD6

Old 07-20-2010, 01:13 PM
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Default Prop help for Arneson ASD6

I'm running a 28 pitch four blade 14.5, I'm feeling that this is not enough diameter, As I trim up to 0 or 1 on my drive indicator prop seems to spin out and boat slows down. I've found a four blade cleaver used 28 and 34 pitch on Imco Marine, but not sure if this will help me.. Anyone have any ideas on a reasonibly priced prop that would help me.
Thanks
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Old 07-20-2010, 09:13 PM
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what HP?
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Old 07-21-2010, 07:46 AM
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400
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Old 07-21-2010, 08:41 AM
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Originally Posted by turbo502 View Post
I'm running a 28 pitch four blade 14.5, I'm feeling that this is not enough diameter, As I trim up to 0 or 1 on my drive indicator prop seems to spin out and boat slows down. I've found a four blade cleaver used 28 and 34 pitch on Imco Marine, but not sure if this will help me.. Anyone have any ideas on a reasonibly priced prop that would help me.
Thanks
Diameter is the KEY. I have 450 HP and have had good success with a 17-17.5 diameter wheel. The pitch is about right @ 28 .
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Old 07-21-2010, 09:07 AM
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Thank you! Now any ideas where I can find a used one at a reasonable price?
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Old 07-21-2010, 10:47 PM
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Originally Posted by turbo502 View Post
Thank you! Now any ideas where I can find a used one at a reasonable price?
are you running an asd6 or 1721? spline count? ur drop ratio is 1.5:1 ? twin or single engine and if single RH or LH? whats a reasonable price?
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Old 07-22-2010, 07:40 AM
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Its a single engine, as for asd6 or 1721, not sure, I just replaced the skeg tube and shaft last year through Rik from Arneson I know it's RH and the hub insert is a Mercury square hub I believe for the prop to work that I have.. The spline count is 19.. And reasonable price I have really no clue because I can't find one, and I know Rik said they cost a couple grand, if that the case OUCH.. haha.
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Old 07-22-2010, 08:28 AM
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Originally Posted by turbo502 View Post
Its a single engine, as for asd6 or 1721, not sure, I just replaced the skeg tube and shaft last year through Rik from Arneson I know it's RH and the hub insert is a Mercury square hub I believe for the prop to work that I have.. The spline count is 19.. And reasonable price I have really no clue because I can't find one, and I know Rik said they cost a couple grand, if that the case OUCH.. haha.
TURBO.......there are a couple of us that are in the same position as you i also have 19 spline it is tough to find a big dia. wheel for that spline. Speed and Custom marine sells adapters to go from 19 to 26 spline and that gives you ALOT more prop choice but 450.00 for a adapter plus figure 2000 for a wheel as well.
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Old 07-22-2010, 08:35 AM
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Originally Posted by turbo502 View Post
Its a single engine, as for asd6 or 1721, not sure, I just replaced the skeg tube and shaft last year through Rik from Arneson I know it's RH and the hub insert is a Mercury square hub I believe for the prop to work that I have.. The spline count is 19.. And reasonable price I have really no clue because I can't find one, and I know Rik said they cost a couple grand, if that the case OUCH.. haha.


boat size? top speed?

I have some real surface drive props.. there not speed master choppers.. they are hi rake 3 blade rolla's. they are not cheep.. there larger with less pitch... when twin disk first tested the asd 6 they ran the same exact prop's got 88mph out of 450hp running 21 3/4 x 21% pitch..... there's lots of data to say that boats ran better with hi rake from planing at a lower rpm to less prop slap..



I have one RH 21 3/4 x 18% pitch
I have one very scary looking LH 21 1/2 x 22% pitch with lots of cupping
I have a set of 21 3/4 x 21% pitch....

all are 19 spline.. Hi rake is what arneson sold and pushed supported by B/W & T/D test data b4 adapters were sold....

I'm looking for LH or RH props 21" and 1/2 or 3/4 in size....I'd like to find LH 18% 19%, 20% or 23%,, or RH 19%, 20% or 23% so I can test props when I run my boat. every thing I have is for sale but till I run my boat the props I have are not cheep..

a chopper 17 to 18" with much more pitch then a hi rake will be fine and cheaper. An inch of prop is worth 2% of pitch so at 17" you'd need to be 27 to 30% of pitch for 400 to 500hp...

seems the draw back to the merc prop is size finding props over 18 made for an O/B as I read about lots of guys gunning 17" with 33% or 35% and no matter the hp increase only more pitch is added.. or maybe its prop shape? and need to be small to get rid of slap... who knows.

I'd let my props go for 1000 for a single or 2000 for the matched set...
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Old 07-22-2010, 08:45 AM
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My boat size is 27ft, I was told from Rik that in 1979 when this boat came out it would run mid 70's with a stock 454. My little prop is holding it way back can't trim up far without spinning the prop most I can get it to bite at is 4100rpm, gps at 54mph.
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