Anyone recognise this hull shape?

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rajabatis

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Dec 29, 2006
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Hi This is a UK built 15ft fishing boat. I'm trying to track down where or what U.S. boat the hull shape is derived from.

Any ideas?

Thanks,

R.
 

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tashasdaddy

tashasdaddy

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Re: Anyone recognise this hull shape?

not a Thunderbird, that is an European style boat, built in Europe.
 
JoLin

JoLin

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Re: Anyone recognise this hull shape?

Hi, Rahabatis-

As TD stated, looks like a European design with the cabin so far forward. But as reelfishin stated, the HULL design is very similar to the Thunderbird pic he posted.

It's what's known as a "trihedral" hull, or tri-hull. Very popular in the States during the '60's and '70's. Was the result of early attempts to use new materials (fiberglass) in more complex shapes than could be molded from wood. They were known for having the stability of a flat-bottomed boat, but with a much smoother ride. In today's world they're generally known as hard riding boats, but they were truly innovative at the time.

They kind of fell out of favor as even more advanced hull shapes (courtesy of the rise of computers and CAD?) were designed that provided a better compromise between ride and stability.

Popular examples of pure tri-hulls here included Boston Whaler (a pioneer in that hull type) and Thunderbird (and literally dozens of others).
 
jay_merrill

jay_merrill

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Re: Anyone recognise this hull shape?

I agree that the boat looks somewhat like a Thunderbird Cheyenne or Commanche, but I suspect that the resemblence has nothing more to do with such an association, than the fact that tri-hull boats were popular in many places, at the time that it was most likely manufactured.

As far as the forward located enclosure is concerned, it reminds me a lot of boats that I have seen built for use in northern European areas, were the weather can be chilly even in summer. The boat also reminds me of boats that I have seen built for the Australian and New Zealand market.

Regardless, its an interesting looking boat and I hope you have lots of fun with it.


BTW, here's my Thunderbird. The photo was taken the day that I bought it. I am slowly refurbishing it and hope to have it in use sometime soon.


DSC_1406R600copy.jpg




???
 
S

Steve Mahler

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Oct 10, 2006
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Re: Anyone recognise this hull shape?

I have seen a few of those 'cabin forward' tri hulls here in the US, so someone must have sold them here. Kindof funny looking but I think cool.
 
allpoints360

allpoints360

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Re: Anyone recognise this hull shape?

I'm trying to track down where or what U.S. boat the hull shape is derived from.
Click to expand...

I agree with JoLin, the hull design was popular across many manufacturers during the 1960's.

Are you asking who designed the first trihull? I have heard that Richard Cole is credited with inventing the trihull design for Thunderbird in the late 1950's.

John Cole was from England.
 
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rajabatis

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Re: Anyone recognise this hull shape?

A belated thanks to all who replied. It is much appreciated.
 
R

rajabatis

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Re: Anyone recognise this hull shape?

Here is a picture of the whole boat. As stated the mini forward cabin is to give some shelter in our cooler Scottish climate.
 

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esobofh

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Re: Anyone recognise this hull shape?

lprizman said:
I want one!!
Click to expand...

Indeed.. not sure why they are not more popular here.. better use of space if you ask me. Large fishing area at the back, and a nice sheltered area for the wife.. would love one!
 
david_r

david_r

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Re: Anyone recognise this hull shape?

does it have a hin #?

if so i can help you find the manufacturer with this link.

http://www.uscgboating.org/recalls/mic.aspx

your mic identification are the first three characters in the hin number.

the hin # is usually on the starboard side of the transom just under the rub rail........ some are stamped and some have plates.
 
R

rajabatis

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Messages
53
Re: Anyone recognise this hull shape?

Thanks for your interest guys. The make is a SeaHog SeaJeep. Made by a company in the north of England. They have been making small sea angling boats for 20 years. I also had an earlier 1992 version before this one fitted with a similar year Evinrude 50. Called a Shortie. Same hull but an even smaller cabin (hence the Shortie name) We call these small cabins Cuddy's over here.

I bought the bare hull new 2 years ago and fitted her out myself. She flies with the MD 50 Tohatsu. Very rare though to get WOT in the sea conditions over here. The sea is very rarely flat unfortunately.
 
M

Marcq

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Messages
241
Re: Anyone recognise this hull shape?

rajabatis said:
Hi This is a UK built 15ft fishing boat. I'm trying to track down where or what U.S. boat the hull shape is derived from.

Any ideas?

Thanks,

R.
Click to expand...
Sure looks bigger then a 15 foot boat. I like it
Looks a bit like a the Solent Fisher 510

Marc..
 
R

rajabatis

Seaman
Joined
Dec 29, 2006
Messages
53
Re: Anyone recognise this hull shape?

JoLin said:
Hi, Rahabatis-

As TD stated, looks like a European design with the cabin so far forward. But as reelfishin stated, the HULL design is very similar to the Thunderbird pic he posted.

It's what's known as a "trihedral" hull, or tri-hull. Very popular in the States during the '60's and '70's. Was the result of early attempts to use new materials (fiberglass) in more complex shapes than could be molded from wood. They were known for having the stability of a flat-bottomed boat, but with a much smoother ride. In today's world they're generally known as hard riding boats, but they were truly innovative at the time.

They kind of fell out of favor as even more advanced hull shapes (courtesy of the rise of computers and CAD?) were designed that provided a better compromise between ride and stability.

Popular examples of pure tri-hulls here included Boston Whaler (a pioneer in that hull type) and Thunderbird (and literally dozens of others).
Click to expand...

Interesting point about the ride. I find the ride just fine. It is very flat and stable. Also for a small boat very stable when fishing at anchor. No dip or very littlw when two are at the one side. There is a lot of bouyancy because of the hull shape at the hull edges. The youtube video posted below shows the ride well in lumpy conditions. That Jeep is the MK1 version my one is a later model with a redisigned top half.

The current popular trend in the UK is away from these gull wing tri hull shapes to the V hull shape for small angling boats. UK makes like Warrior or Predator are very popular.

It is an observation that I find interesting, that any time I see those boats motoring at speed the throw up a lot of water and don't look lateraly stable. See the Warrior youtube video for a comparison between the two hull types.

SeaJeep.
http://www.youtube.com/watch?v=PV6RKL0BZYc&feature=related

Warrior.
http://www.youtube.com/watch?v=pEiTJo7WMm0&feature=related
 
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