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Topic: New Engine, Halvorsen 25 Cruiser
Les Mathieson
Member
Posts: 6

Reputation: 0
New Engine, Halvorsen 25 Cruiser
on: September 14, 2014, 21:52

Dear All

my name is Les Mathieson, a new member living at Paynesville Victoria.

I have a '1950 (?)' Halvorsen Cruiser.

The boat has an aged & ordinary Perkins 4701 motor with a Parsons Reverse Gear gearbox. I have grown tired of issues with this motor & gearbox; my mechanic & I are about to purchase & instal a new engine for the boat. I am looking at a Yanmar or 3JH5E. Are you aware of any 25ft Halvorsens that have had new engines in recent years, what are the experiences and recommendations. And what size prop should be married with this motor?


I gratefully received the following info from John Hopkins regarding his boat 'Lola'.

Hi Les,

'I re engined a few years back with a yanmar hm35- 34hp. As it is a displacement hull extra hp doesn't do much. I also recommend fitting a flexible coupling to shaft. Not sure of prop size,I just kept the one already on it.

Rgds John'


Following Johns advice think I am on the right track.

I appreciate any further assistance that member might be able to provide or any suggestions which I could follow up.”

Regards

Les


Live in Paynesville, Victoria, on the Gippsland Lakes.
Retired, currently Chairman, AFL East Gippsland.
Former career, Managing Director, East Gippsland Water.

Les Mathieson
Member
Posts: 6

Reputation: 0
Re: New Engine, Halvorsen 25 Cruiser
on: February 14, 2015, 18:39

Dear All

I finally got Kenosha sorted.

For those interested we put a Yanmar 3YM30 engine in the boat (29.1 mbhp@ 3600rpm) matched with 2.62:1 gearbox.

And a new Bronze 14.5" diametr 4 Blade propeller.

the boats approx performance is as follows;

2100rpm – 5 knots

2600rpm – 6 knots

3400rpm – 7 knots


quiet smooth, no fumes etc.

cheers

Les


Live in Paynesville, Victoria, on the Gippsland Lakes.
Retired, currently Chairman, AFL East Gippsland.
Former career, Managing Director, East Gippsland Water.

Les Mathieson
Member
Posts: 6

Reputation: 0
Re: New Engine, Halvorsen 25 Cruiser
on: February 14, 2015, 18:39

Dear All

I finally got Kenosha sorted.

For those interested we put a Yanmar 3YM30 engine in the boat (29.1 mbhp@ 3600rpm) matched with 2.62:1 gearbox.

And a new Bronze 14.5" diametr 4 Blade propeller.

the boats approx performance is as follows;

2100rpm – 5 knots

2600rpm – 6 knots

3400rpm – 7 knots


quiet smooth, no fumes etc.

cheers

Les


Live in Paynesville, Victoria, on the Gippsland Lakes.
Retired, currently Chairman, AFL East Gippsland.
Former career, Managing Director, East Gippsland Water.

Les Mathieson
Member
Posts: 6

Reputation: 0
Re: New Engine, Halvorsen 25 Cruiser
on: February 14, 2015, 18:39

Dear All

I finally got Kenosha sorted.

For those interested we put a Yanmar 3YM30 engine in the boat (29.1 mbhp@ 3600rpm) matched with 2.62:1 gearbox.

And a new Bronze 14.5" diametr 4 Blade propeller.

the boats approx performance is as follows;

2100rpm – 5 knots

2600rpm – 6 knots

3400rpm – 7 knots


quiet smooth, no fumes etc.

cheers

Les


Live in Paynesville, Victoria, on the Gippsland Lakes.
Retired, currently Chairman, AFL East Gippsland.
Former career, Managing Director, East Gippsland Water.

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