Call GT and get the 11 x 9.
Or...if the prop you have is in "excellent like new" condition....send it to me and i'll send you a 11 x 9 as a trade.
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| What's diameter & pitch of my prop CA19MOD10P https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=11312 |
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| Author: | dguidry [ Mon Aug 02, 2010 8:08 am ] |
| Post subject: | What's diameter & pitch of my prop CA19MOD10P |
Those are the numbers etched on my Powertech prop. What's pitch and diameter? |
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| Author: | craig [ Mon Aug 02, 2010 10:30 am ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
12 inch diameter......10 inch pitch |
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| Author: | dguidry [ Mon Aug 02, 2010 11:33 am ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
I notice current stock prop models offered by Gator Tale are: 11" Prop with 9 or 11 Pitch 12" Prop with 10 Pitch I have a GTR23 stock with the 12" prop and 10 pitch. I am running wide open at max 3250 rpms and very sluggish hole shot. Would I benefit from moving to 11" prop and 9 pitch? As I understand the concepts, lower pitch and lower diameter will increase rpms and may result in better hole shot and load carrying capability.but one might sacrifice top end or will I? If I can boost top end rpms to 3900 etc shouldn't I expect a bit of top end improvement, as well. I have a custom cypress skiff with 20" transom (gtr23 is long, as well) I have ample trim rage with prop and sweet spot appears very optimum...ie angle of prop shaft parallel to bottom at max speed, sweet spot. I inserted a wedge yesterday to decrease transom angle, and this helped a little with rpms. But I just thinking that reducing pitch and prop diameter might help considerably, as well. What do ya'll think? |
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| Author: | craig [ Mon Aug 02, 2010 11:58 am ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
What are your out of water rpm 's? |
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| Author: | dguidry [ Mon Aug 02, 2010 12:01 pm ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
Over 4000, about 4100, so it has much more to give. |
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| Author: | craig [ Mon Aug 02, 2010 12:23 pm ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
Call GT and get the 11 x 9. Or...if the prop you have is in "excellent like new" condition....send it to me and i'll send you a 11 x 9 as a trade.
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| Author: | dguidry [ Mon Aug 02, 2010 1:44 pm ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
Just spoke to my good friends at Gator Tail who advised the prop I have is actually an 11" with 10 pitch. The stamp might indicate 12" diameter, but its really 11". I'll measure it tonight. The info on the website about the 11" 9 and 11 pitch props was old stock. The GTR23's come with 11" 10 pitch. I think I have this right. |
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| Author: | dguidry [ Tue Aug 03, 2010 8:55 am ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
Confirmed last night when I measured the prop: 11" diameter not 12". So at that, there's no further diameter reduction or pitch reduction available:it is what it is 11" x 9 pitch even if its etched "10p" on the prop. Edit: I just read my previous post and I'm not making any sense anymore so maybe someone at Gator Tail could contribute here to clear things out. |
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| Author: | craig [ Tue Aug 03, 2010 9:26 am ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
Your prop is 11 inch diameter and 10 inch pitch. |
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| Author: | dguidry [ Tue Aug 03, 2010 10:56 am ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
I so confused, now. 11" prop with 10 pitch seems about right form my setup. So its back to Hoyt and Kyles recommendations in this order: 1, High performance exhaust 2. Big fixed trim tabs 3. Wedges on hull bottom 4. Engine mod Hoping for these results: Improve hole shot and planing attitude, and increased rpms in sweet spot. |
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| Author: | craig [ Tue Aug 03, 2010 11:52 am ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
[quote="craig"]Call GT and get the 11 x 9. Or...if the prop you have is in "excellent like new" condition....send it to me and i'll send you a 11 x 9 as a trade. [/quote]or try this. |
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| Author: | dguidry [ Tue Aug 03, 2010 12:05 pm ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
Would you sell me you 11 x 9? PM me with price. How can one actually measure the pitch? Does anyone know? |
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| Author: | WestEndAngler [ Tue Aug 03, 2010 12:10 pm ] |
| Post subject: | Re: What's diameter & pitch of my prop CA19MOD10P |
The pitch is stamped on the prop.. "10P" |
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