"The long or short"

LulaBelle
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"The long or short"

Post by LulaBelle »

Hello All

I've decided to treat my Westerly W21 to a brand new outboard engine. It currently has a very old 8HP, Short shaft.

I have been around a few shops and one bloke had said 'Why not get a long shaft!'.

I've noticed sometimes in a chop, my propeller comes out of the water so it got me thinking more about a long shaft version.

Is it worth the extra weight to have a long shaft outboard on a smallish sailboat?

Any opinions? :)

Paul
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Re: "The long or short"

Post by philipstevens »

Having worked in an outboard motor repair company, the slight extra weight in a longshaft version, is very little. A matter of a few Kg's.

If you go for a longshaft, you should look at the High Thrust version of the 9.9hp of a Yamaha. This O/B has a better thrust propeller - as shown with the gear ratio.

http://yamahaoutboards.com/outboards/v8 ... omparisons gives comparisons of thrust and weight. The High Thrust model has a long and an extra long shaft length.

I'm not saying go for a Yamaha, just showing it as a comparison. There are also Mercury's, Honda's etc.

But yes, go for a long or extra long shaft.
regards,
Philip.
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Re: "The long or short"

Post by simonk »

I would take a look at the Tohatsu 6hp Sailpro. This is a hi-thrust model in long shaft & extra long shaft. This model also includes a charging circuit as well.

If it's not urgent keep an eye out for one on eBay/Apolloduck etc. I picked up a mint long shaft for £700 recently.


Regards
Simon
Regards

Simon
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Re: RE: Re: "The long or short"

Post by LulaBelle »

simonk wrote:I would take a look at the Tohatsu 6hp Sailpro. This is a hi-thrust model in long shaft & extra long shaft. This model also includes a charging circuit as well.

If it's not urgent keep an eye out for one on eBay/Apolloduck etc. I picked up a mint long shaft for £700 recently.


Regards
Simon
Do you think 6hp would be powerful enough for motoring when no wind or only good for getting in and out of marina's?

I got stuck last week in Loch Fyne with no wind and needed to motor 30 miles back to get into work on time

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Re: "The long or short"

Post by simonk »

It should be, I spoke to a friendly guy at Tohatsu & he said it would be powerful enough & the distance from the top of the ob bracket to waterlevel is 21" so he said long shaft was what I needed and weight is 27kg. Unfortunately mine is still in the garage as I've got way behind this year & will now launch early next year.
Hopefully this link might work[emoji1360]
https://m.youtube.com/watch?v=AQRF2cLPwUk


Regards
Simon
Regards

Simon
LulaBelle
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Re: "The long or short"

Post by LulaBelle »

One of Mr Winters videos... nice. He likes them apart from some issue with the gear changer stopping the engine from starting!

I'm still worried about the low power 6HP... I much prefer to use the wind but I have found myself on the west of Scotland in a chop and wrong wind direction. With work commitments it's hard to just sit it out so a strong reliable engine would be great. I looked at the Mercury 8HP which has a dry weight of 38kg. This one appears quite light.

I guess slinging an outboard on the back of a sailboat is all about getting the power with weight balanced... someone tried to sell me a Yamaha 9.9 long shaft yesterday but the weight just feels too heavy!

Paul
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Re: "The long or short"

Post by simonk »

I did contemplate an 8 or 9hp 4 stroke, but, IIRC, they are about 45kg & didn't fancy the weight hanging off the transom & bracket. A hi-thrust prop I think will make a great difference.

I always had diesel inboards before now & at the moment, although I haven't had any time with the outboard so my opinion might change, I would prefer one & that might still be the plan.

The beauty with an outboard is you can sell it quite easily & replace with a larger or smaller one if that one didn't suit.
Regards

Simon
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Re: "The long or short"

Post by philipstevens »

Weight is the problem with Four-Stroke engines, since the EU banned Two-Stroke engines.

If you can find a Two-Stroke second-hand engine in good working condition, you will find it a considerable amount lighter than a Four-Stoke engine.

Also, a Two-Stroke can be stowed any side down, while the Four-Stroke MUST be laid down on one side to prevent the lub. oil running out.

If you can afford it, go for a 9.9hp engine. That way, you will have some power in reserve.
regards,
Philip.
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simonk
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Re: "The long or short"

Post by simonk »

Just had a quick look, Bungay is in Suffolk fairly close to me but quite a treck for you tho :(

http://www.ebay.co.uk/itm/Tohatsu-outbo ... SwMtxXsJ0P
Regards

Simon
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Re: "The long or short"

Post by LulaBelle »

It's a shame the way two strokes have gone... I wonder if we do actually leave the EU, that will change :?

That ebayed Tohatsu looks soooo tempting at that price... even though the little voice in my head says I need more power! With all the tweaking to the prop etc on these engines it could be ideal. I have a daughter in Oxfordshire so maybe plan a visit with a slight detour :)

I'll keep a watch on it... thanks for the link.
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Re: "The long or short"

Post by TyroSailor »

They reckon a horsepower per ton of boat is enough for pootling about (and to reach the hull speed, apparently, but I have my doubts about that). If you want to drive to windward in a chop, it's more like 3hp/T.
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Re: "The long or short"

Post by Jolly Roger »

There are several 2 stroke outboards for sale on ebay at present.

This one sounds good, but do read all the text as there is a lot of information about 2 strokes.
http://www.ebay.co.uk/itm/Mercury-7-5hp ... SwRJ9XgMG1

This is another dealer offering.
http://www.ebay.co.uk/itm/Evinrude-9-9- ... SwhOVXf2sB

This is a private seller.
http://www.ebay.co.uk/itm/Suzuki-8Hp-2- ... SwJkJWivHU

If you declare yourself as a commercial/non-pleasure user, then you can buy a NEW 2 stroke Parsun!
http://www.ebay.co.uk/itm/NEW-9-8-hp-2- ... SwLs5XLHYY

Hope this helps.
Roger
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simonk
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Re: "The long or short"

Post by simonk »

TyroSailor wrote:They reckon a horsepower per ton of boat is enough for pootling about (and to reach the hull speed, apparently, but I have my doubts about that). If you want to drive to windward in a chop, it's more like 3hp/T.
That's handy to know, so a displacement of our lil' W21 is 1.6tons, (without any extra clobber we put in the boat), should be OK with a 6hp. I wonder what difference a saildrive prop makes compared to a standard prop in these calculations?
Regards

Simon
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Re: "The long or short"

Post by TyroSailor »

I think a saildrive is less efficient than a shaft drive (about a 10% loss) because of the extra gears, but this might be balanced by the horizontal thrust rather than having it angled slightly downwards. But I thought you were having an outboard anyway?
Experience: That which would have been most useful five minutes before you acquired it.

Steve
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Re: "The long or short"

Post by simonk »

Mr Lulabelle of this parish is after a replacement outboard. I've already got a Tohatsu 6 Sail Pro, I just chipped in with my 2 penneth :D .
Regards

Simon
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