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Old 28 April 2014, 15:02   #1
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Country: UK - Scotland
Town: Isle of Lewis
Make: Thundercat (TI)
Length: 4m +
Engine: Yamaha 70
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My thundercat

Hi,
thought I'd make a thread just showing off my boat.
It's a 2005 Thundercat with a 2006 Tohatsu 50 D2. Got above prop exhaust relief holes, aftermarket nakuru coils and leads, lighting coils removed and boyesen carbon reeds.


Got 3 different props for it at the moment, trying to get another.
15p SOLAS cupped, got 42 knots.

Next to it is an 18p Mercury chopper (10 3/8 x 18), good for 49 knots

And the most recent one, Mercury cleaver (11x18) 50 knots so far.


If anyone knows of a 20 or 22p cleaver for sale let me know!

I've recently bought a set of yamaha 70 carbs to go on it and will be modifying the exhaust tube as well (opening it up and cutting 25mm from the end).
Will hopefully get the crank welded so I can remove the rev limiter and also remove the starter ring gear from the flywheel.
Should give much better acceleration, hopefully as good with an 18p prop as the standard engine was with a 15p.
If I manage to get a 22p prop and all these mods done then I reckon 60 knots is maybe achievable

Cheers,
Seumas
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Old 28 April 2014, 15:30   #2
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Country: USA
Boat name: Uh...a kayak?
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I so want to go for a ride in one of those
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Old 29 April 2014, 04:35   #3
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Country: UK - England
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Ha ha, I don't. I'd like to watch it though. Looks fun
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Old 29 April 2014, 04:53   #4
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What are they like for fishing from?
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Old 29 April 2014, 05:30   #5
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Country: UK - England
Boat name: Son of a Beach
Make: Avon SR4
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And also waht are they like in big seas beyond the surf zone?
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Old 29 April 2014, 12:00   #6
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Country: UK - Scotland
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They're alright from fishing from, don't really do it often but plenty guys in Australia use them for fishing.

They're really good in big seas, when the sea is calm my dads jetski keeps up, both doing 50 knots, but as soon as it gets choppy the thundercat leaves the jetski for dust. Very soft ride due to the cushion of air between the hijackers.
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Old 29 April 2014, 12:37   #7
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Country: UK - England
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Rof. like to see one on full tilt in rough seas.. Hmmmmm Peterm get yr money out.

Have you got any video footage of this beast in action?
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Old 29 April 2014, 12:48   #8
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Country: UK - England
Town: swanage
Make: Thundercat
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Engine: Tohatsu 50
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Posts: 867
Click image for larger version

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Amazing boats! Love mine too
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Old 29 April 2014, 12:59   #9
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Country: UK - England
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Boat name: IMOGEN
Make: Air-Craft 5.4
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Send a message via Skype™ to kerny
You took yer time young Luke nice pics
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Old 29 April 2014, 13:00   #10
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You took yer time young Luke nice pics
Already been talking to him about more speed! Haha
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