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How to "lighten" the load?

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Old 12-09-2003, 12:09 PM
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Question How to "lighten" the load?

I'm done fiddling with the motors! I'd like to see what I could gain by lightening the weight of the boat.

Me losing weight is not an option!

These are the 1st things I am thinking about:

1. Replacing fiberglass hatch with aluminum
2. Replacing rear fiberglass bench seat base with aluminum.
3. Removing slide-out center piece in cabin.

Any other tips for a 30' Sonic? Would this be worth it? I have a friend that can do the fabricating cheap.
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Old 12-09-2003, 12:17 PM
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Ken this is my understanding...

it takes roughly 8-15 hp to gain 1mph, and it takes 7-10 lbs to loose 1hp, so if you average those numbers, you would have to loose roughly 75 lbs to gain 1mph, give or take,,, depending on hull efficiency and power.

Last edited by Chris232; 12-09-2003 at 12:26 PM.
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Old 12-09-2003, 12:23 PM
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Ken,

Just make sure your buddies take all their empty's out after each day on the water...that ought to give you a mile an hour or two !!!
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Old 12-09-2003, 12:27 PM
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Throw the Wife overboard!!!!!!
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Old 12-09-2003, 12:42 PM
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Wes,

I save those empties and cash them in at the end of the season to help pay for gas!

Chris, useful info! Thanks
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Old 12-09-2003, 09:32 PM
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Quote:
Originally posted by yellowbird
when I posted something in this order I got shot down as well.

simple solution: just add two 1450 Sterling's.

Problem sovled.
That would certainly solve the problem. Just ask Bob Russell (Can You Hear Me Now-Outer Limits top speed V-bottom champ)
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Old 12-10-2003, 08:29 AM
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Ken,
In all seriousness, I don't think you will gain too much if anything. You're at 90 plus now, how much faster do you want to go We have to hook up this summer, no excuses
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Old 12-10-2003, 09:40 AM
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Aluminum anchor.
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Old 12-10-2003, 09:50 AM
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OOPS, I didn't realize I posted in the "Moron" section.

Gary, I'm ready for a full season this yr!!!
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Old 12-10-2003, 10:01 AM
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Here are a few serious ideas used by some race boats:

Use one sea strainer to feed both engines. (not only do you save the weight of the strainer, but also the water inside)
Don't need to trim your drives (or tabs) independently?: use only one pump for the drives and one for the tabs.
Change to lighter batteries.

Also: no stereo, speakers, etc.
No cushy pads on the engine hatch
Bare cabin area, except for lightweight carpet.

RE: aluminum. The hatch on my ex race boat is aluminum and it's relatively heavy. We're going to make a lighter one using core material and carbon fiber.

But removing a 1,000# is a lofty goal. The first 250# is easy; it's tough after that.

IMHO
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