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Old 05 September 2012, 11:40   #11
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Country: UK - Scotland
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Boat name: Thunder
Make: Halmatic Arctic 22
Length: 6m +
Engine: 2 x 150 Etec
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Hi Will,

Etecs have been been good, had an issue with water in the fuel but that had nothing to do with the engines. Check and make sure your underfloor tank doesn't have any hairline cracks!

With 22" props I get just under 50 knots, thats on very flat water and it would be very easy to end up with the mother of all chine walks. I generally cruise at around 35 knots, with 19" props, engines are running at just over 4,000 revs at this speed, using about 9 - 10 gallons an hour. Thats with the boat well loaded up with divers and kit.

Cheers,

Gordy

ps If your thinking of going for the etecs, speak to John Price at Ribstuff.com. He came up with an excellent deal for me.
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Old 05 September 2012, 12:26   #12
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Thanks for that Gordy.

Is that 9 - 10 gallons per hour total or per engine?

Cheers

Will
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Old 05 September 2012, 12:41   #13
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Thats total, bear in mind that if you open her all the way up you can double that figure!
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Old 05 September 2012, 15:58   #14
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It's a cracking looking setup! Are the tubes still just clear of the water when at rest?
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Old 05 September 2012, 16:31   #15
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Hi Will

The tubes are just sitting in the water right at the stern. I'm out this weekend so will check the fuel figures again.
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Old 09 September 2012, 16:57   #16
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Hi Will,

Spent the weekend diving from Craobh, with 6 divers, kit and spare cylinders, 30 knots has the engines running at 3800 revs, gives a smudge over 8 gallons an hour. Measured it the old fashioned way. Filled the tanks timed the running then noted the refill when we came back in.

Hope this helps.
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Old 10 September 2012, 06:51   #17
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Hi Gordon

Thanks for that, very useful info. I have a quote from John for the Etecs, so just stewing over the final decision.

Cheers

Will
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Old 21 September 2012, 15:15   #18
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Hi Gordon

Thanks for all your help. We have now ordered a counter rotating pair of 150s from John with Icon controls. We have had to have white 25" engines as Icon controls are not available as a factory fit option on the 20" models. We will have to raise the transom by five inches but a friend of mine was head naval architect at Halmatic and he says it will be fine.

I don't think it will look as good as yours but he ho.

Thanks again.

Will
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Old 21 September 2012, 17:08   #19
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Country: UK - Scotland
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Boat name: Thunder
Make: Halmatic Arctic 22
Length: 6m +
Engine: 2 x 150 Etec
Join Date: Oct 2008
Posts: 500
Hi Will,

Glad your sorted, think having the transom higher will work well, will be interested to hear what the Icon controls are like.

Look forward to seeing her all finished.

Cheers,

Gordy

Edit - wait till its finished, on your own go from a standing start and floor the throttles, I guarantee a huge smile!!
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Old 23 September 2012, 15:22   #20
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Quote:
Originally Posted by Will75 View Post
Hi Gordon

Thanks for all your help. We have now ordered a counter rotating pair of 150s from John with Icon controls. We have had to have white 25" engines as Icon controls are not available as a factory fit option on the 20" models. We will have to raise the transom by five inches but a friend of mine was head naval architect at Halmatic and he says it will be fine.

I don't think it will look as good as yours but he ho.

Thanks again.

Will
Gone to the dark side!!!!
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