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wevel2 Profile
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Registered: 04-2010
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sandblasting a prop


alright here jay our local prop shop is sandblasting the trailing edges of the blades for more lift and bite to me this is b.s. i was fishin a tourny and a guy had it done he seen my prop and we started talking i almost laughed in the mans face when he paid 20 bucks a blade i ask him did it make a difference and his response was yea it lifts better i ask how much he says well not realy enough to tell a difference.... (how do u know its lifting if u cant tell its lifting) i ask what rpm speed change did he have he said none but these locals are buying into this 2mph gaining technique any truth to this...

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its almost done..wait... awl he!!..it will never be done
Jul/21/2010, 5:05 pm Link to this post Email wevel2   PM wevel2
 
Jay Martin Profile
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Re: sandblasting a prop


Heres the shake down..
A prop thats been blasted in the cup area only...does not hold the water better, it makes it faster to some degree by allowing the water to exit the blade quicker.
A brushed finish prop will be faster than a highly polished prop simply because the water is not clinging to to blade, the fine scratches make micro bubbles on the face of the blade, this allows the water to exit faster.

Last edited by Jay Martin, Jul/22/2010, 10:59 pm


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www.jaymartinpropellers.com
Jul/22/2010, 10:56 pm Link to this post Email Jay Martin   PM Jay Martin
 
wevel2 Profile
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Re: sandblasting a prop


i gotcha lets water exit faster.... but it has nothing to do with lift and bite that was his claim was it would lift ur boat like adding cupping without droping rpms ...... i see now i didnt se how it would lift and bite better...

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its almost done..wait... awl he!!..it will never be done
Jul/23/2010, 12:07 am Link to this post Email wevel2   PM wevel2
 
southernbassguy Profile
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Re: sandblasting a prop


HMMM Learn something everyday. emoticon
Jul/23/2010, 12:29 am Link to this post Email southernbassguy   PM southernbassguy
 
Jay Martin Profile
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Re: sandblasting a prop


quote:

wevel2 wrote:

i gotcha lets water exit faster.... but it has nothing to do with lift and bite that was his claim was it would lift ur boat like adding cupping without droping rpms ...... i see now i didnt se how it would lift and bite better...



Lift?? NO!! Bite, no not really.It does help make the prop more efficient. The cupped area is where the water really loads up on the blade, the blasted area acts as a lubricant to let the water slip by quicker, Unless your racing a clock it's not really worth it to me, sounds like a good way to make an extra $$$$$$$.... emoticon emoticon .....

Last edited by Jay Martin, Jul/23/2010, 4:59 pm


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Jul/23/2010, 4:56 pm Link to this post Email Jay Martin   PM Jay Martin
 
Bullet20dc Profile
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Re: sandblasting a prop


The only time I've seen sandblasted tips work is when you're looking at really fast speeds like upper 90's to triple numbers and that 2 or 3 tenths of a MPH matter to ya in the 60 to 70 range it don't do noticeable squat.

makes for good BS sessions tho

Last edited by Bullet20dc, Jul/23/2010, 7:24 pm


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Charlie B
Bullet20dc / 250XS
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Jul/23/2010, 7:22 pm Link to this post Email Bullet20dc   PM Bullet20dc
 
Jay Martin Profile
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Re: sandblasting a prop


I second that... emoticon ...

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www.jaymartinpropellers.com
Jul/23/2010, 7:32 pm Link to this post Email Jay Martin   PM Jay Martin
 
wevel2 Profile
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Re: sandblasting a prop


yep made for a good bs session the local prop guy on wilson will do just about waterever to make some $$$ i talked to him personaly and he said on my prop he gaurentes 2 mph man this guys a joke ....

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its almost done..wait... awl he!!..it will never be done
Jul/24/2010, 10:39 am Link to this post Email wevel2   PM wevel2
 
Bullet20dc Profile
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Re: sandblasting a prop


2 mph Im thinking not gonna happen sorry
 maybe .2

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Charlie B
Bullet20dc / 250XS
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Jul/24/2010, 5:27 pm Link to this post Email Bullet20dc   PM Bullet20dc
 
Jay Martin Profile
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Re: sandblasting a prop


Think about this...If it worked as good as the guy says, Then you would see every prop shop in the country doing it. It's an old school racers trick, but like Bullet said, not much to gain.

Wevel you should let him do yours but if it don't work then he has to refund your money and polish the prop back out...

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www.jaymartinpropellers.com
Jul/24/2010, 6:42 pm Link to this post Email Jay Martin   PM Jay Martin
 


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