Offshoreonly.com

Offshoreonly.com (https://www.offshoreonly.com/forums/)
-   Chris Craft (https://www.offshoreonly.com/forums/chris-craft-155/)
-   -   blue printing (https://www.offshoreonly.com/forums/chris-craft/206922-blue-printing.html)

cody_white83 04-14-2009 07:59 PM

blue printing
 
how tuff is it to blue print my hull?
what is the process? do you just sand all the high spots out and buff it back out or what??
:ernaehrung004: if its to much work i may just go smoke all the vee's at the lake and then concentrate on beer consuption. i dont know what worse my boats fuel mileage or my buddies beer mileage:evilb:

DareDevil 04-14-2009 08:43 PM


Originally Posted by cody_white83 (Post 2844282)
how tuff is it to blue print my hull?
what is the process? do you just sand all the high spots out and buff it back out or what??
:ernaehrung004: if its to much work i may just go smoke all the vee's at the lake and then concentrate on beer consuption. i dont know what worse my boats fuel mileage or my buddies beer mileage:evilb:

Did u take the spacers out ???? I looked at the pics again and damn they are low in the water.

Defenetly toooo low .

Jeff@J&J Marine 04-14-2009 10:27 PM

Ha! ... Yea I can relate my boat is vicious on fuel to and I like to throw a few back my self when im out for a day on the river.... lol Out of curiousity how long does a full tank last for you at cruise speed? I get about an hour and a half at cruise speed 3,800. Or at least thats what I got last year. I tuned my motors in on our dyno after the winter rebuild so that should get a little better. It actually calculates fuel consumption. If I ran Wide open for 15 minutes on a full tank I would be empty in 15 minutes, 120 gallons! Crazy huh...

DareDevil 04-14-2009 11:13 PM


Originally Posted by Jeff@J&J Marine (Post 2844408)
Ha! ... Yea I can relate my boat is vicious on fuel to and I like to throw a few back my self when im out for a day on the river.... lol Out of curiousity how long does a full tank last for you at cruise speed? I get about an hour and a half at cruise speed 3,800. Or at least thats what I got last year. I tuned my motors in on our dyno after the winter rebuild so that should get a little better. It actually calculates fuel consumption. If I ran Wide open for 15 minutes on a full tank I would be empty in 15 minutes, 120 gallons! Crazy huh...

:eek::eek::eek:WHAT ???????????:party-smiley-004:

cody_white83 04-14-2009 11:27 PM

i have 2 tanks that hold a little over 100 gallons but haven't run it enough to calculate consumption. if im running it hard i would guess i could get 6hrs out of 200 gals.

cody_white83 04-14-2009 11:29 PM

i took the spacers out but haven't put up any new pics how do i make the bottom perfect and will it help with the speed? just wondering if it would make any difference and if its worth the work.

TGC-32 04-15-2009 09:46 PM


Originally Posted by cody_white83 (Post 2844434)
i took the spacers out but haven't put up any new pics how do i make the bottom perfect and will it help with the speed? just wondering if it would make any difference and if its worth the work.

I did a full blue print on my 30' Chris-Cat outboard Pro-Stock boat, and it added maybe one or two MPH at best. The bottom is actually pretty good out of the mold. Also, to do it right you really need to flip the boat upside down. If you don't, you really aren't going to do the job correctly and any gains will be minimal.

Judging from the photos of your drives, etc., you could gain a lot more from other areas. Save the blue printing for when everything else has been done. Get your drive heights and set backs correct, try some different props, try a little weight savings, etc. All of these areas will yield you as much or more than a blue print to the bottom and will be much easier and less expensive to do. Blue printing should be last on your list when there is nothing else left that will get you any gains.

Just my 2 cents!

Tom
Total Marine

DareDevil 04-16-2009 08:23 AM


Originally Posted by TGC-32 (Post 2845286)
I did a full blue print on my 30' Chris-Cat outboard Pro-Stock boat, and it added maybe one or two MPH at best. The bottom is actually pretty good out of the mold. Also, to do it right you really need to flip the boat upside down. If you don't, you really aren't going to do the job correctly and any gains will be minimal.

Judging from the photos of your drives, etc., you could gain a lot more from other areas. Save the blue printing for when everything else has been done. Get your drive heights and set backs correct, try some different props, try a little weight savings, etc. All of these areas will yield you as much or more than a blue print to the bottom and will be much easier and less expensive to do. Blue printing should be last on your list when there is nothing else left that will get you any gains.

Just my 2 cents!

Tom
Total Marine

I agree 99%,,u could do it without turning the boat ,,,but allot of work and i don't think its worth it at all !!!!

Scott


All times are GMT -5. The time now is 07:33 PM.


Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.