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-   -   48in mono hull scratch build (http://www.rcuniverse.com/forum/speed-rc-gas-boats-236/11292032-48in-mono-hull-scratch-build.html)

maxxnitro88 11-09-2012 10:30 AM

48in mono hull scratch build
 
this is my first boat that i have built, found some plans online and had a homelite 25cc engine laying around. this is what i came up with. i had a lot of help fromthis forum building my boat so i figured i would post up these pics so new guys/girls can get agood idea of what all is involved!

http://i267.photobucket.com/albums/i..._4787301_n.jpg

http://i267.photobucket.com/albums/i..._2943631_n.jpg

http://i267.photobucket.com/albums/i..._3499633_n.jpg

http://i267.photobucket.com/albums/i..._3539625_n.jpg

http://i267.photobucket.com/albums/i..._7060300_o.jpg

http://i267.photobucket.com/albums/i..._7866211_n.jpg

http://i267.photobucket.com/albums/i..._5735270_n.jpg

http://i267.photobucket.com/albums/i..._1027220_o.jpg

http://i267.photobucket.com/albums/i...51538597_n.jpg

http://i267.photobucket.com/albums/i...69211701_n.jpg

http://i267.photobucket.com/albums/i...47316418_n.jpg

http://i267.photobucket.com/albums/i...86094331_n.jpg

http://i267.photobucket.com/albums/i..._3468042_n.jpg

http://i267.photobucket.com/albums/i...29095106_n.jpg

http://i267.photobucket.com/albums/i...85230689_n.jpg

http://i267.photobucket.com/albums/i...66885920_n.jpg

http://i267.photobucket.com/albums/i...32596832_n.jpg<br type="_moz" />

maxxnitro88 11-09-2012 10:39 AM

RE: 48in mono hull scratch build
 
here is a link to the first run of the boat, the engine was still not quite tuned right!<div>
</div><div>http://www.youtube.com/watch?v=zHjlw...ature=youtu.be</div>

cconeill 11-09-2012 12:06 PM

RE: 48in mono hull scratch build
 
You have to luv a woodie!! very nice job.

The Ghost 11-09-2012 02:31 PM

RE: 48in mono hull scratch build
 
Very nice boat, very clean lines, good luck with it, congrats

cheers

dwr9 11-09-2012 08:23 PM

RE: 48in mono hull scratch build
 
Looks real nice. Doug

expresscraft 11-10-2012 11:00 AM

RE: 48in mono hull scratch build
 
very nice job,you will have a lot of fun with that boat.

maxxnitro88 11-12-2012 08:51 AM

RE: 48in mono hull scratch build
 
thanks, its a pretty fun cruiser.  im hoping a 3 blade prop will give it some more pep this spring, but i haven't done any research so any input on a  potentially better prop would be helpful!<div>
</div><div>
</div>

martno1fan 11-12-2012 10:37 AM

RE: 48in mono hull scratch build
 
Making it a surface drive will improve performance quite a bit,exit the transon 1/8 -1/4 " to right of keel and 1/2" up from the keel to centre of driveline and im sure you will see more performance.
Mart

MrMikeG 11-12-2012 06:04 PM

RE: 48in mono hull scratch build
 
Try a X470/3, or Prather 275 or 280.
You might need another shroud, you cut that one a bit low. Once you start working the engine harder you need the cooling coming off the fan going across the head, forward motion is no where near enough air flow.

dwr9 11-12-2012 07:35 PM

RE: 48in mono hull scratch build
 
The props Mike mentioned should work on a surface drive. You could also try an X482. The X470/3 would be my first choice of the props mentioned. however they are all too large for you current subsurface drive. The boat was meant to use a surface drive. Doug

MrMikeG 11-12-2012 08:21 PM

RE: 48in mono hull scratch build
 
I ran a drive like that for a while, most of the top blade will still be out of the water.
Trying to find 12 year old pics on hard drives is the problem now. [8D]

maxxnitro88 11-19-2012 06:04 AM

RE: 48in mono hull scratch build
 
just out of curiosity how does the octoura x470/3 compare to the prop shop B6717/3?<div>
</div><div>i see that the B6717/3 has a steeper pitch (4.48) but with a smaller diameter (67mm), but not really sure how the specs stack up with the octura's specs.</div><div>
</div><div>http://www.bonzisports.com/store/product_info.php?cPath=1_52&amp;products_id=79</div><div>
</div><div>http://www.bonzisports.com/store/product_info.php?cPath=1_52&amp;products_id=87</div>

martno1fan 11-19-2012 06:22 AM

RE: 48in mono hull scratch build
 
Personally i think youd be best with a bigger prop,a good prop for a lower reving motor is the prather 280.

chipbreakr 11-22-2012 07:42 AM

RE: 48in mono hull scratch build
 
Great job, If you would like to build a tuned pipe for it and have plans that I can email
Jim

maxxnitro88 11-22-2012 09:34 AM

RE: 48in mono hull scratch build
 

Quote:

ORIGINAL: chipbreakr

Great job, If you would like to build a tuned pipe for it and have plans that I can email
Jim
yeasurethatwouldbegreat,myemailismann.232@osu.edu

it'sbeenhardtofindonethatwillfitwiththewayIhavethe exhaustrouted...

chipbreakr 11-23-2012 06:43 AM

RE: 48in mono hull scratch build
 
I'm out of town , I'll be home tonight and will send you the pipe plans.
Jim

chipbreakr 11-28-2012 07:01 PM

RE: 48in mono hull scratch build
 
I just sent you the pipe plans , I apologize for taking so long , I forgot about sending them .
Jim

maxxnitro88 11-30-2012 05:40 AM

RE: 48in mono hull scratch build
 
got them thanks!

wan6176 12-14-2012 01:45 PM

RE: 48in mono hull scratch build
 
was it 48" or 54" which one is it your length.here stated 48" ur youtube stated 54". which is which? what ur width?

maxxnitro88 01-09-2013 08:24 AM

RE: 48in mono hull scratch build
 
48 without the running gear and 54 with it.

michaelgrout146 03-22-2013 12:27 AM

RE: 48in mono hull scratch build
 
I'd like to build one of these too! Where did you find the plans?

dwr9 03-22-2013 05:34 PM

RE: 48in mono hull scratch build
 
michaelgrout146, I can email them to you if you let me have your email address or you can download them at: http://www.modelgasboats.com/
Doug

maxxnitro88 05-23-2013 08:25 AM

RE: 48in mono hull scratch build
 
found a great deal on a macs tuned pipe, pics posted soon...

scales10 05-23-2013 11:21 AM

RE: 48in mono hull scratch build
 
looks great, im doing my lower hull like yours basically just my sides are gonna come up higher to look like a fishing boat

scales10 05-23-2013 03:17 PM

RE: 48in mono hull scratch build
 
do you remember how far apart your braces are on the inside? and those stringers down the middle are apart? thanks



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