Thread: Fish city boats

Originally Posted by 25/08IMP

Yea sure can have a look at the Senator 620 HT awesome boat I've had that and a 560 both great boats.

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There is a local one here 560 580? under 6m with a new 200hp fourstroke yam on it.....Id say it is probably well powered!

Originally Posted by veitnamcam

There is a local one here 560 580? under 6m with a new 200hp fourstroke yam on it.....Id say it is probably well powered!

Correctly powered maybe?

Originally Posted by Beaker

Correctly powered maybe?

Dont quote me but I think the transom was upgraded before fitting(only talked to the young fella in the yard)

In seriousness, what are the disadvantages (weight equal) in having more HP off the back ? If run at half stick all the time, does it degrade the motor over time, or do they use more fuel? Disregard purchase price.

I would say over powered my 620 HT had a 150 E Tec on it and that had heaps of power for 4 divers and and all the gear and crossing west cost bars.
The 580HT is quite a bit smaller I had a 115 Yamaha 4 stroke on my 560 and although it didn't have the instint get up like the E Tec I still had plenty of power.

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Originally Posted by Beaker

In seriousness, what are the disadvantages (weight equal) in having more HP off the back ? If run at half stick all the time, does it degrade the motor over time, or do they use more fuel? Disregard purchase price.

If the same weight then probably the same cc/same engine so no disadvantage other than price.
In the case of the boat above I imagine it will use more fuel than say a 130 driven at its most economical speed but the bigger engine should cruise faster more economically than the smaller engine at the same faster cruise.

Under powered has many disadvantages tho, slow,dangerous in some conditions,excessive fuel use,over stressing the engine causing short life/possible catastrophic failure.

I think in the 6 years I had my 620 I only ever got to run at full throttle once at sea the rest of the time on our cost was no more than half so still plenty of power left if needed.
Pontoon boats do need more power to push them but a 150 on a 620 Ali is plenty.

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Yeh the 560 Senator with the 115 gets out of the water well.


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With the secondhand boat market/trademe kicking through some exceptional boats it would be pretty hard to justify going new.
Second hand whitepointer or AMF's can be had for the new price of a surtees. I'd be going second hand.

Have a look at the Aqualite they are not as common as a lot of other boats but well finished and stable
I've had an older 4.6 for about 10 years now great little boat to fish from little bit underpowered with the 50 merc but it has towed a 560 senator home

Originally Posted by Harryg

Have a look at the Aqualite they are not as common as a lot of other boats but well finished and stable
I've had an older 4.6 for about 10 years now great little boat to fish from little bit underpowered with the 50 merc but it has towed a 560 senator home

Must be something wrong with the engine?
50hp should he plenty?


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@Smiddy
Boat gets along ok but is working. Boat and motor are both 1996 merc is one of the last before the bigfoot does about 4500 rev 18knots has a 13 degree pitch prop
It did have a 19degree prop on it at one time but that killed it
What would you recommend ?

Originally Posted by veitnamcam

Under powered has many disadvantages tho, slow,dangerous in some conditions,excessive fuel use,over stressing the engine causing short life/possible catastrophic failure.

Couldn't agree more with that.

Originally Posted by Mathias

From memory these hulls are made by Kingfisher Boats under contract. Kingfisher (AKA Alloy Cats NZ @ The Mount) build quality stuff.

Correct I used to build these at kingfisher and they are a great design and use quality aluminium.


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