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-   -   First Checkmate 26 Convincor Completed (https://www.offshoreonly.com/forums/general-boating-discussion/280599-first-checkmate-26-convincor-completed.html)

sprink58 07-15-2012 08:45 AM


Originally Posted by Twin O/B Sonic (Post 3730286)
Plus drives, plus rigging???? I think not.

OK...weights and measures time:

2: Mercury Optimax 300 XS outboards with twin Engine bracket
http://www.mercuryracing.com/outboar...00xs/specs.php

1268 Lbs (allowing 200lbs for bracket)
600 Horsepower

2: LSA Aluminum V8's with Bravo I drives with closed cooling:
http://www.mast-marine.com/product-view.php?id=396

1434 Lbs
1200 Horsepower
1150 Ft. Lbs Torque

One has to ponder the facts: Will a 166 lb weight difference be off set by a 600 Horsepower advantage? According to Newton's First law of motion...one would tend to think so.

I am still looking for the 1000 lb difference.

Accordingly...we can all have our own opinions but we can't have our own facts.:cool:

VtSteve 07-15-2012 08:55 AM


With a 380-hp MerCruiser 8.2 Mag engine providing the power, the first model reportedly reached 70 mph. Price for the 26 Convincor, without a trailer, will range from $75,000 to $80,000 depending on power and options.

This type of setup seems to be a better fit for this style and size of boat.

But it's great to have different options, which is why the model will sell well.

Twin O/B Sonic 07-15-2012 11:00 AM

I'm within....
 

Originally Posted by sprink58 (Post 3730346)
OK...weights and measures time:

2: Mercury Optimax 300 XS outboards with twin Engine bracket
http://www.mercuryracing.com/outboar...00xs/specs.php

1268 Lbs (allowing 200lbs for bracket)
600 Horsepower

2: LSA Aluminum V8's with Bravo I drives with closed cooling:
http://www.mast-marine.com/product-view.php?id=396

1434 Lbs
1200 Horsepower
1150 Ft. Lbs Torque

One has to ponder the facts: Will a 166 lb weight difference be off set by a 600 Horsepower advantage? According to Newton's First law of motion...one would tend to think so.

I am still looking for the 1000 lb difference.

Accordingly...we can all have our own opinions but we can't have our own facts.:cool:

50 lbs of your O/B weight but way off on my "guess" on the I/O???
Your link shows 600lbs per for the motor so we're at 1200 for them. So you're only showing 234lbs for a pair of Bravo's, hdwe and rigging??? 117lbs per??
Either my math sucks or I'm missing something.

Twin O/B Sonic 07-15-2012 11:01 AM

was thinking...
 

Originally Posted by VtSteve (Post 3730330)
Amazing how well this boat figures into some of this year's threads. The Liberator Restoration, boats under 28', cabin room, all of that. 24 degree vee.

same.

VtSteve 07-15-2012 04:06 PM


Originally Posted by Twin O/B Sonic (Post 3730417)
same.

There are some boat makers that do listen to the little guy.

One thing smart for Checkmate, is building an upgrade strategy. It's always a good policy to have choices for your existing customers that want to upgrade, be it size or power, or both.

The Go Fast dudes will hate me for asking this, but....

:party-smiley-004:

How about a single Yanmar 370 diesel in this boat, the new Nortech has one out. Roughly the same HP.

Catmando 07-15-2012 05:35 PM

Not many small boat builders take the time to figure out how to get air to the engine without rendering the hatch almost useless, and so they don't bother. Checkmate is to be commended for its outstanding design, which not only gives two intakes, but hugs the deck and doesn't spoil the lines of the boat. The air exhaust is nice too, coming out just under the hatch on both sides.

I would have designed the fairing to accept a taller windscreen to protect the occupants, and I would have designed a softer, rounder rear end. :D

Other than those caveats, I really like this boat. It speaks to my obsessive compulsive need for symmetry. :)

sprink58 07-15-2012 07:41 PM


Originally Posted by Twin O/B Sonic (Post 3730416)
50 lbs of your O/B weight but way off on my "guess" on the I/O???
Your link shows 600lbs per for the motor so we're at 1200 for them. So you're only showing 234lbs for a pair of Bravo's, hdwe and rigging??? 117lbs per??
Either my math sucks or I'm missing something.

OK...so the link shows 467s for the engine and a Bravo drive weighs 110 lbs. Worse case scenario...a pair or LSA's with Bravo III drives MIGHT weigh 1500 lbs....so let's load it up.

A pair of Mercury 300 XS outboards and a bracket will weigh around 1250~1300 lbs ...depending on the bracket.

You stated that a pair of LSA's with Bravo drives weighs 1000 lbs more than the pair of outboards...not so. A pair of LSA's with Bravo I's does not weigh 2250~2300 lbs. A pair of 502 Mags will...but not LSA's.

I didn't make any comment about your math...you did.

In summary...I think the 600 HP difference covers the delta in the weight (<1000 lbs & probably <500 lbs)...and my extra 200~300 lbs isn't hanging 24"~36" off the rear of the boat....but it's producing double the power.

I think both options would be interesting...and I think it's fun to talk about it.

Checkmate has a winner here..I hope they do well with it.

Catmando 07-15-2012 08:27 PM

"...A pair of Mercury 300 XS outboards and a bracket will weigh around 1250~1300 lbs ...depending on the bracket..."


According to Mercury a 300XS weighs 505lbs. 1010lbs the pair, man those brackets are really heavy!

sprink58 07-15-2012 10:36 PM


Originally Posted by Catmando (Post 3730701)
"...A pair of Mercury 300 XS outboards and a bracket will weigh around 1250~1300 lbs ...depending on the bracket..."


According to Mercury a 300XS weighs 505lbs. 1010lbs the pair, man those brackets are really heavy!

According to Stainless Marine...yes they are.

Still looking for the 1000 lb difference...

SVL-WARLOCK 07-16-2012 12:18 AM

It's a 26 outlaw bottom.


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