Extreme 20 question

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Country1
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Extreme 20 question

Post by Country1 » Tue Jul 17, 2018 1:05 pm

Getting ready to start building one of these extreme 20 models but want to build a bigger model. I built boats for 14 yrs but retired 12 yrs ago so have experience. Question I have if I add 6" across the bottom to make it 8'6" beam and add 2 ft to the length will I have to add to the entry or can I just add it between the start of entry to the transom? Just don't want it to push and not lay over on turns.



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Re: Extreme 20 question

Post by Marshall Moser » Tue Jul 17, 2018 1:33 pm

I'll let the designer respond, but typically, you don't just add slices in this style of construction, you scale the dimensions. You can scale up to 10% either up or down. +10% on a XF20 will yield an 8.8' beam and approx. 22' LOA. It is guaranteed to mess up the nesting though. It is much easier to scale the metric plans, because everything is already decimals.

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Re: Extreme 20 question

Post by cape man » Tue Jul 17, 2018 1:41 pm

I'm sure you have your reasons for making it bigger, but have you been on an XF20 as designed? It already is a lot of boat with a huge payload capacity. Where are you in Florida? Bet there is someone near you with an XF20...
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Country1
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Re: Extreme 20 question

Post by Country1 » Tue Jul 17, 2018 2:56 pm

I use to own one but would like to have a 8'6" beam and go to 23-24ft.

Country1
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Re: Extreme 20 question

Post by Country1 » Tue Jul 17, 2018 3:00 pm

We are in SW Florida.

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Re: Extreme 20 question

Post by Country1 » Tue Jul 17, 2018 3:10 pm

I tried to find a set of plans closer to the 23-24ft but couldn't find any.

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Re: Extreme 20 question

Post by Country1 » Thu Jul 19, 2018 9:19 am

Does anyone know if there are any plans similar to the extreme 20 model closer to 23-24 ft?

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Re: Extreme 20 question

Post by jacquesmm » Thu Jul 19, 2018 10:11 am

No.
What is the reason? Fishing charter?

It would require a complete redesign.
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Country1
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Re: Extreme 20 question

Post by Country1 » Thu Jul 19, 2018 2:37 pm

Yes for a guide boat. Need 3.

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Re: Extreme 20 question

Post by jacquesmm » Thu Jul 19, 2018 5:07 pm

3 boats or 3 passengers each?

BTW, 3 boats mean the purchase of 3 plans (you buy a license to build one per plan).
If you buy 3 plans, I may draw some of the changes and specs for a larger XF23, a scaled one.
Does it have to be trailerable? If yes, it will be a stretched one.
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