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Speed question
#10830330
05/09/15 02:53 PM
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Joined: Mar 2005
Posts: 553
Gangster
OP
Pro Angler
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OP
Pro Angler
Joined: Mar 2005
Posts: 553 |
I bought an 09 21I w/Vmax series 2. 25 pitch prop. GPS'd 67 the other day. Plenty fast for me since I usually only run 40-45. Does 67 sound about right? Only reason I ask is for outrunning others to spots in tourneys.
Thanks for any info.
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Re: Speed question
[Re: Gangster]
#10830395
05/09/15 03:28 PM
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Joined: May 2003
Posts: 16,286
Chris B
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 16,286 |
You left out only the most important part, what size engine?
I hate photobucket.
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Re: Speed question
[Re: Gangster]
#10830595
05/09/15 04:43 PM
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Joined: Jan 2008
Posts: 19,790
Donald Harper
TFF Guru
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TFF Guru
Joined: Jan 2008
Posts: 19,790 |
Two things I have found that will help your speed on the 21i series with a 250 is: - Have a spare prop. to send in and keep having it tweaked. Have the blade turned some. Have the blade cupped some. - Having a hydraulic Jack plate allows you to bump it down a tad when at full throttle to get a tiny bit of more bite.
Each person you work with holds some promise to your future success. Websiite Sponsors: www.eletewater.com - Staying Hydrated www.lakeoviachic.com - Booking Mexico Trips 20 Hot Spot Mapping - GPS Contour Chips - Custom Spinner Baits - Jigs -Spooks Pure Extracts - Minnow-Night Crawler-Crayfish-Craylic
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Re: Speed question
[Re: Gangster]
#10830606
05/09/15 04:47 PM
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Joined: Mar 2005
Posts: 553
Gangster
OP
Pro Angler
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OP
Pro Angler
Joined: Mar 2005
Posts: 553 |
Sorry, it is a 250. Thanks Donald. May do the spare prop. Don't really want to spend the money on a hyd jack plate..
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Re: Speed question
[Re: Gangster]
#10831257
05/09/15 11:05 PM
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Joined: Mar 2009
Posts: 2,218
B.Hollingshead
Extreme Angler
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Extreme Angler
Joined: Mar 2009
Posts: 2,218 |
Call Steves prop shop he will know about exactly what you need for what your wanting and give you his opinions
Branden Hollingshead
38-DD's and counting
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Re: Speed question
[Re: Gangster]
#10831370
05/09/15 11:50 PM
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Joined: Jan 2008
Posts: 19,790
Donald Harper
TFF Guru
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TFF Guru
Joined: Jan 2008
Posts: 19,790 |
I have a new 25 pitch that was for my 21i's. Nothing has been done to it. I now have a 225 SHO. motor the prop. will fit but does not perform properly. If you are interested in it let me know.
Each person you work with holds some promise to your future success. Websiite Sponsors: www.eletewater.com - Staying Hydrated www.lakeoviachic.com - Booking Mexico Trips 20 Hot Spot Mapping - GPS Contour Chips - Custom Spinner Baits - Jigs -Spooks Pure Extracts - Minnow-Night Crawler-Crayfish-Craylic
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Re: Speed question
[Re: Gangster]
#10831575
05/10/15 01:22 AM
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Joined: Jun 2003
Posts: 31,253
HasBen
TFF Guru
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TFF Guru
Joined: Jun 2003
Posts: 31,253 |
If I had that boat and motor, I would be disappointed with anything under 70mph.
"Nothing spoils a good story like the arrival of an eyewitness."-Mark Twain
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Re: Speed question
[Re: Gangster]
#10831619
05/10/15 01:42 AM
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Joined: Mar 2005
Posts: 553
Gangster
OP
Pro Angler
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OP
Pro Angler
Joined: Mar 2005
Posts: 553 |
Forgot to mention it has a gator hull. The 67 was also fully loaded my son and I and full tanks.
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Re: Speed question
[Re: Gangster]
#10831664
05/10/15 02:00 AM
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Joined: May 2003
Posts: 16,286
Chris B
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 16,286 |
You should be running about 70mph. May want to check the jackplate height.
I hate photobucket.
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Re: Speed question
[Re: Gangster]
#10831813
05/10/15 03:13 AM
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Joined: Apr 2006
Posts: 2,240
DedShort
Extreme Angler
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Extreme Angler
Joined: Apr 2006
Posts: 2,240 |
I don't believe that the I class was their fastest hull design. With two adults, gear, and full tanks, 67 might be about it without really spending the money to fine tune it.
"Liberty is always dangerous, but it is the safest thing we have." - Harry Emerson Fosdick
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Re: Speed question
[Re: Gangster]
#10832018
05/10/15 05:50 AM
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Joined: Jan 2007
Posts: 416
tgifish
Angler
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Angler
Joined: Jan 2007
Posts: 416 |
- have you set your boat up (speed/rpms/prop height/water psi @ WOT) to perform at it's maximum efficiency, according to how you normally fish (light/heavy load)? - what were your rpm's at 67 mph and was that WOT? - how's your hole shot? - with the right setup I would expect at least low 70's on good days.
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Re: Speed question
[Re: Gangster]
#10833152
05/10/15 08:51 PM
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Joined: Nov 2006
Posts: 3,158
jwatts77
TFF Team Angler
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TFF Team Angler
Joined: Nov 2006
Posts: 3,158 |
I have an '08 20i and I have GPS'd 73 mph with two people and half tanks with a full load of tackle. Saying the 20i is not Skeeter's fastest hull design may be true, but it sure ain't slow!!! Running 67 mph with a 21i means you're motor set-up could use a tweak or two to get some more mph. The 21i already has a jackplate on it so taking a few measurements at the back will let you know which way to go. Good Luck you'll get more out of it!
Last edited by C.A.S.T.; 05/10/15 08:52 PM.
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Re: Speed question
[Re: Gangster]
#10833418
05/10/15 10:59 PM
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Joined: Jan 2008
Posts: 19,790
Donald Harper
TFF Guru
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TFF Guru
Joined: Jan 2008
Posts: 19,790 |
If you start messing with that manual jack plate be sure to write everything down and make your mark on the jack plate where it is set now and every time you move it. It only takes 1/8 of a inch down to make a difference. Down is where I would start 1/8 inch. It is a ton of trouble because of the loading and unloading it takes two people; one to drive the truck and one to run the boat. Always use the GPS speed on the depth finder and do it all on one day, that the lake is calm.
After getting the plate set at the best height that the prop. will do then you can start on the prop.. Sending it over to the prop. place of your choice to make sure each blade is as clean as possible. Talking to them about the speed of the boat and how much cup to put in each blade. Be sure to discuss the return visits it they don't solve the problem on the first one.
Each person you work with holds some promise to your future success. Websiite Sponsors: www.eletewater.com - Staying Hydrated www.lakeoviachic.com - Booking Mexico Trips 20 Hot Spot Mapping - GPS Contour Chips - Custom Spinner Baits - Jigs -Spooks Pure Extracts - Minnow-Night Crawler-Crayfish-Craylic
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