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-   -   How much does added weight effect your speed ? (https://www.offshoreonly.com/forums/general-boating-discussion/83651-how-much-does-added-weight-effect-your-speed.html)

Jamie B. 07-21-2004 05:05 PM

How much does added weight effect your speed ?
 
I have in my head from somewhere that for every 200-225 pounds that you lose 2 mph. What I dont remember is at what weight level that applies to ?


200 pounds effects a 5000 pound boat moreso than a 10,000 pound boat if they both run the same top speed, right ? Can anyone explain or is there a formula that can explain how much weight effects things in a boat ?

Thanks in advance.

Waterfoul 07-21-2004 05:10 PM

Re: How much does added weight effect your speed ?
 
Actually, I don't see anything near a 2 mph difference in my boat's speed whether I'm alone or have 2-3 others with me. Granted, most of my friends weigh less than 200 lbs. 24 Baja Outlaw, currently without power though.... :(

hp500efi 07-21-2004 05:12 PM

Re: How much does added weight effect your speed ?
 

Originally Posted by Waterfoul
Actually, I don't see anything near a 2 mph difference in my boat's speed whether I'm alone or have 2-3 others with me. Granted, most of my friends weigh less than 200 lbs. 24 Baja Outlaw, currently without power though.... :(


Mike, you forgot to mention that you drag an anchor all the time so that probably has more to do with it than the 2 added guys . . . .Bwahhhhahah

Indy 07-21-2004 05:24 PM

Re: How much does added weight effect your speed ?
 
I suspect that air temperature and humidity has more effect than a few hundred pounds, at least in my experience in a single 28' boat. I've had one passenger and light fuel in hot/humid days, and I was faster with 3 friends & full fuel on a cooler fall day. I know this doesn't answer your question, but other factors come in to play also.

bouyhunter 07-21-2004 05:24 PM

Re: How much does added weight effect your speed ?
 
sure, - without power I imagine that 24 outlaw would go the same speed with 12 people...ZERO.

Waterfoul 07-21-2004 05:26 PM

Re: How much does added weight effect your speed ?
 
OK, OK, OK.... I'm talking about WHEN my boat ran. Sheesh!! :D

Jamie B. 07-21-2004 05:30 PM

Re: How much does added weight effect your speed ?
 

Originally Posted by Indy
I suspect that air temperature and humidity has more effect than a few hundred pounds, at least in my experience in a single 28' boat. I've had one passenger and light fuel in hot/humid days, and I was faster with 3 friends & full fuel on a cooler fall day. I know this doesn't answer your question, but other factors come in to play also.

I agree and understand that temp / humidity / water conditions / etc can and do effect things as well.

I'm wanting to know if there is a formula that determines how weight effects things when all other things are equal or are accounted for.

Thanks guys.

Jamie B. 07-21-2004 05:31 PM

Re: How much does added weight effect your speed ?
 

Originally Posted by Waterfoul
OK, OK, OK.... I'm talking about WHEN my boat ran. Sheesh!! :D

haha . . rough crowd ! :D :drink:

bouyhunter 07-21-2004 05:38 PM

Re: How much does added weight effect your speed ?
 
come on now....

I couldn't let that go un-noticed.

If I wouldn't have said it, someone else would have

44MTI 07-21-2004 05:44 PM

Re: How much does added weight effect your speed ?
 
Jamie'
I think it depeends on the type of hull as well as the brand. In my 42 fountains I never saw much if any difference. However in my can there is an noticeable difference. I think the formula for it is 1mph for ever 200lbs and the nortech is similiar.


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