Hull Force tunnel hull  
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Hull Force tunnel hull - 7/6/2008 3:46:49 AM   
mjderstine


 

Posts: 216
Joined: 4/11/2007
From: daytona beach, FL, USA
Status: offline 		well here is an update on the hull i have been building. its 40" long 21" wide, and will be powered by a OS 1.08

here are the updated pics of the hull. hope you all enjoy.

it will have a water rudder, and i hope to get some nice top speed runs outta this thing. my goal is about 40mph, but with a 1.08 i dont think that much speed will be a problem. the motor will be mounted upside down to keep the CG as low as possible.








< Message edited by mjderstine -- 7/6/2008 3:47:40 AM >


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RE: Hull Force tunnel hull - 7/6/2008 10:15:51 PM   
mjderstine


 

Posts: 216
Joined: 4/11/2007
From: daytona beach, FL, USA
Status: offline



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RE: Hull Force tunnel hull - 7/7/2008 3:28:25 PM   
Mr Cajun Gator


 

Posts: 1259
Joined: 7/23/2003
From: New Iberia, LA, USA
Status: offline 		best of luck to you, may the winds be on your side

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RE: Hull Force tunnel hull - 7/22/2008 4:42:54 AM   
shinobid


 

Posts: 30
Joined: 7/22/2008
From: Lynnwood, WA, USA
Status: offline 		That things pretty awesome!! Got any more pics?

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RE: Hull Force tunnel hull - 7/22/2008 5:54:29 PM   
mjderstine


 

Posts: 216
Joined: 4/11/2007
From: daytona beach, FL, USA
Status: offline 		i have lots more of the build. anything in particular you would like to see?


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RE: Hull Force tunnel hull - 7/22/2008 7:09:25 PM   
shinobid


 

Posts: 30
Joined: 7/22/2008
From: Lynnwood, WA, USA
Status: offline 		Just curious about how it's looking now..whats the color scheme going to be?

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RE: Hull Force tunnel hull - 7/22/2008 7:29:47 PM   
mjderstine


 

Posts: 216
Joined: 4/11/2007
From: daytona beach, FL, USA
Status: offline 		the whole hull has been painted white, and will have some orange accents to start. i have about 6 coats of automotive acrylic paint on there, but want another couple coats to get it nice and waterproof. then i can start laying some color on top of the white.

i have another thread of the build of this boat. just look further down the page for all the build pics.


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RE: Hull Force tunnel hull - 7/22/2008 9:17:52 PM   
mr. ilikehelp


 

Posts: 291
Joined: 7/19/2007
From: mpls, MN, USA
Status: offline 		so what thicness ply is all that like 3/32 in. or what

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RE: Hull Force tunnel hull - 7/23/2008 1:26:18 PM   
mjderstine


 

Posts: 216
Joined: 4/11/2007
From: daytona beach, FL, USA
Status: offline 		most of the thickness is 1/8th hoby ply. the top is mostly 1/16th hoby ply. and the motor mount is constructed from 1/4" hoby ply. all of it is birch ply wood.


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RE: Hull Force tunnel hull - 7/23/2008 5:54:30 PM   
mr. ilikehelp


 

Posts: 291
Joined: 7/19/2007
From: mpls, MN, USA
Status: offline 		sweet so it looks like you have a step hull and a tunnel hull combined thats smart so what are the thinckest and thinest parts to the boat

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RE: Hull Force tunnel hull - 7/24/2008 4:25:45 PM   
mjderstine


 

Posts: 216
Joined: 4/11/2007
From: daytona beach, FL, USA
Status: offline 		the boat is thinnest at the rear at one inch at the hull and 2.5 total height
it is thickest at point where the hull meets the outer sponson at the top level at about 3.5 inches. and 2 inches for the hull.


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RE: Hull Force tunnel hull - 7/25/2008 2:48:09 PM   
j.m.


 

Posts: 2318
Joined: 9/20/2007
From: Raleigh, NC, USA
Status: offline 		get a new pipe. something like this should do.
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXZ563&P=7

This will DRASTICALLY improve the power that the engine makes. Allowing you to run a higher pitch prop, thus more top speed.

you'll need this, too:
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCB37&P=7
I think that'll fit your engine, but i'm not sure.

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RE: Hull Force tunnel hull - 7/29/2008 4:04:53 PM   
mjderstine


 

Posts: 216
Joined: 4/11/2007
From: daytona beach, FL, USA
Status: offline 		J.M.
thanks for the info on the tuned pipes. i am going to stick with the stock muffler for now. and if i feel the need for the added power, i will go for it.

what would be a good prop recommendation for optimum RPm'S?

< Message edited by mjderstine -- 7/29/2008 4:05:07 PM >


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RE: Hull Force tunnel hull - 7/30/2008 3:08:50 AM   
mr. ilikehelp


 

Posts: 291
Joined: 7/19/2007
From: mpls, MN, USA
Status: offline 		i noticed in the pics how you were running your servo and was wondering where to get that kind of push rod setup stuff.

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RE: Hull Force tunnel hull - 7/30/2008 3:34:13 AM   
j.m.


 

Posts: 2318
Joined: 9/20/2007
From: Raleigh, NC, USA
Status: offline 		http://www3.towerhobbies.com/cgi-bin/WTI0095P?FVSEARCH=gold+n+rod&search=Go

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!Signature your in it put, this read to time the took you If
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RE: Hull Force tunnel hull - 7/30/2008 5:02:16 PM