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Old 26 February 2012, 03:12   #1
Country: UK - N Ireland
Town: Portaferry
Make: Avon
Length: 4m +
Engine: 30hp
Join Date: Sep 2011
Posts: 104
Tilt & Trim or not?

Folks at what point do you feel a T&T on a outboard becomes a necessity. Is it a must have for certain sea conditions? Just how important is it to have? Does it come into play at a certain boat size/engine power?

I fully understand the way it works and the physics but am wondering just how necessary it is and is it so critical to safety/speed/economy that it justifies adding a T&T unit to a non T&T motor?

Who runs without a T&T and what do you find?

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Old 26 February 2012, 05:16   #2
Nathan k's Avatar
Country: UK - England
Town: Lyndhurst
Boat name: Airborne
Make: SR4
Length: 4m +
Engine: 40hp
Join Date: Oct 2011
Posts: 216
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Trailering a boat at low tide is a pain without out power tilt

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Old 26 February 2012, 05:42   #3
Country: UK - Scotland
Town: Glasgow
Boat name: snagglepuss
Make: Shetland
Length: 6m +
Engine: 90 hp Outboard
Join Date: Nov 2011
Posts: 562
2 basic questions

does it go on the plane. if so trim is v v handy
can you tilt it easly? if not then tilt is a must!

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Old 26 February 2012, 05:58   #4
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Country: UK - Scotland
Town: Central Belt of Scotland
Boat name: Puddleduck III
Make: Bombard
Length: 5m +
Engine: 50 HP
Join Date: Mar 2009
Posts: 2,061
Using trim , will gain a few knots / save a few litres - trim up then throttle back.

I used to use a 25 HP without PTT , heavy to lift and we were doing beach landings !

I would recommend if you can afford, and i personally would always buy a engine that has PTT, if the size allows it it, I think they start fitting at 20HP?

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Old 26 February 2012, 05:59   #5
kubcat's Avatar
Country: Australia
Town: Sydney
Boat name: Lunasea
Make: Ribtec 890SX
Length: 8m +
Engine: Yamaha ME 421STI x 2
Join Date: Aug 2009
Posts: 459
Just lookimg at our rib's that do have electric tilt and trim.

Zodiac 4.7 with a 50hp I was driving today didn't respond much and except for shallow water operation, could easily do without.

5.6 m Dockitjet rib with 200hp is very responsive to trim. Definitely needs it.

Ribtec 8.9 m with twin diesel sterndrives doesn't make much difference. Need to keep them most of the way in to stop porpoising.

I guess what I am saying is that it depends on the boat and what you do. Try a few different settings of manual trim and see how your boat responds.
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Old 26 February 2012, 07:11   #6
Country: UK - England
Town: NW& wherever the boat is!
Boat name: depends on m'mood!
Make: Humbers/15-24m cats
Length: 6m +
Engine: etec130/big volvos
MMSI: many and various
Join Date: Nov 2001
Posts: 1,815
in rough water power trim is brill and wouldnt like to be without it now although we used boats without it for donkeys years. Beach launching...well thats what we used to do before the Irish sea became a victim of over-fishing and there were "plenty more fish in the sea" Nobody that launched throughout the year in often marginal conditions would have power trim. Coming back in the surf onto the exposed west facing beaches here the few lads that had power trim found the motors just did not come up fast enough when you were about to hit the beach on a dumping wave. With manual trim the reverse lock was off on the aproach, the motor was of course still right down against the pin and gave grip and steering, ready to yank it outa the way as soon as the power was cut.
Ah happy days...probably now got a boat full of water from the next wave that hit the beach. Thigh boots full to the brim, cod and your thermos floating around inside ready to float out over the transom. Gotta heave it up the shingle as far as you can on the next wave that swills up the beach, the things we do for pleasure
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Old 26 February 2012, 07:13   #7
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
Engine: Opti 225/Yam 85
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PTT completely transformed my SR4.
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Old 26 February 2012, 08:09   #8
Ribochet's Avatar
Country: UK - N Ireland
Town: Rostrevor
Boat name: Ricochet
Make: Redbay
Length: 7m +
Engine: Twin F115 Yams
MMSI: 235083269
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Power trim is a very important component in effective boat handling in the rough stuff.
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Old 26 February 2012, 11:16   #9
Country: UK - N Ireland
Town: Portaferry
Make: Avon
Length: 4m +
Engine: 30hp
Join Date: Sep 2011
Posts: 104
Interesting stuff so far yet still undecided. My 30hp has no t&t so only option is a CMC unit but the cost + import + vat is Ouch! Unless anyone is selling local that is ootq
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Old 26 February 2012, 12:26   #10
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Country: Ireland
Make: Redbay Boats
Length: 9m +
Engine: 370hp
Join Date: Feb 2008
Posts: 12,147
You might be better off looking at an upgrade. Donegaldan had your exact combo and swapped the 30hp manual tilt for a 50hp PTT. He's not looked back.

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