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Stuart Turner P66D 10 hp Anyone else ...

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jennifer
Member
Username: jennifer

Post Number: 4
Registered: 12-2004
Posted on Tuesday, May 10, 2005 - 04:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Luckily it has been well looked after and was put in the boat when it was new in the mid 1970s.
In Auckland.The boat is a Townson 28 keeler yacht.
Does anyone know of anyone who has a ST engine in their boat in NZ preferably in Wellington.
We are hoping to change the prop .....the mechanic says its too big and thus is not giving enough forward propulsion...in fact we have 2 speeds ahead.......slow and slower.
It is a 2 blade folding geared prop we are looking at purchasing......and advice would be VERY welcome.......up she goes on the hard for her new prop and antifouling on Friday (yes it's the 13th too........;-(
I think its a 11" and 8 pitch...does that make any sense?...is it right to push a 28ft yacht?
Yes we have a manual (also in good condition) is there specific advice there?????
Jennifer
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timmulvey
Senior Member
Username: timmulvey

Post Number: 149
Registered: 05-2003


Posted on Tuesday, May 10, 2005 - 06:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Jennifer,

Per the Stuart Marine Engine Catalogue if you have a direct drive gearbox (not reduction) then you either use a 12" diameter 3 bladed propellor or a 14" two bladed propellor. It doesn't mention anything about pitch but I have a genuine Stuart propellor on my 8HP and its a 12" dia and 8" pitch.

Hope this helps - I suggest you find a propellor specialist. They also have stock inc. 2nd hand ones.
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jennifer
Member
Username: jennifer

Post Number: 5
Registered: 12-2004
Posted on Friday, May 20, 2005 - 10:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Thank you for that info.I have telephoned Fairways Marine and they have been most helpful.I am investigating the cost of buying one from them and freighting it to NZ.
I am also in contact with just about all the propellor people aroeund NZ that I can find on the Net.
We had a 2 blade folding 13 and a half with 9 pitch on it when we bought it.That has not behaved well and is obviously wrong.
YOu wouldnt believe the number of different "expert" recommended sizes we have been told.Sadly my partner told a marine mechanic to go ahead with fitting a folding two blade geared bronze volvo prop....which I thought was wrong for our engine.The supposedly professional mechanic fitted the prop and an anode then came back when we were to put her in the water to "swap the cables over".......15 mins before we are due in the travel lift he discovers that it needs a left hand prop and he cant just switch the cables over for a Stuart Turner engine and shaft....this is despite me faxing him 6 pages of very relevant info on STs unique demands...goes to show he didnt read it and we couldnt believe he would make a basic mistake like that,costing heaps to himself in time and a now useless brand new prop and lots to us in time up on the hard and the cost too....the prop is a brand new bronze two blade folding 11 and a half diameter with 8 pitch that he put on......so if anyone wants one let me know:-)so folks.........we are still up on the hard.......stay tuned.
Fairways Marine were by far the most helpful and from the other side of the world too!
Thank you once again ...to this site and to Tim
I also got an email from a guy that has bought a ST in the south island......
by the way the mechanic then tried to sell us a second hand Birski 13 diamter by 8 LH two blade folding prop........so we have said...we dont want it.
Fairways recommended a fixed 3 blade 12 x 7 or a 2 blade 14x 8and a half
Any thought s about fixed blades vs folding props for a sea harbour environment.....weather is sometimes challenging......
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jennifer
Member
Username: jennifer

Post Number: 6
Registered: 12-2004
Posted on Friday, May 20, 2005 - 10:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Also any comments on two blade vs three blade for a 28ft keeler yacht?
Cheers and thanks
absolutely right Tim thanks
any hints about freighting a propellor or will Fairways Marine have their own way of doing that?
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jennifer
Member
Username: jennifer

Post Number: 7
Registered: 12-2004
Posted on Friday, May 20, 2005 - 10:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi me again...promise to be brief (thank god sighs everyone :-D
A friend has offerred a three blade fixed blade 12diam with 8 pitch LH bronze prop of a inch shaft as an interim measure until we get a permanent new prop.....either from Fairways in UK or wherever
Any comments?......Would that be ok to fit that for a while? surely it would be better than the 13 and a half diam with 9 pitch that was on there?
Cheers
Jennifer
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timmulvey
Senior Member
Username: timmulvey

Post Number: 154
Registered: 05-2003


Posted on Saturday, May 21, 2005 - 06:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

The 12X8 is the same as that my 18ft clinker and goes well, and we both have the P55 with direct drive (I believe). Go for it.
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jennifer
Member
Username: jennifer

Post Number: 8
Registered: 12-2004
Posted on Saturday, May 21, 2005 - 06:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Yes we have a P66D...not sure what the shaft size is..Ill have to find that out to see if the prop offered will do in the interim..Cheers Tim Ive been in touch with Boyd who is in the South Island here in NZ.....common interest Stuart Turners of course!!! Thanks
.....
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timmulvey
Senior Member
Username: timmulvey

Post Number: 155
Registered: 05-2003


Posted on Sunday, May 22, 2005 - 05:50 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I'm sure you will find that it's a 1" shaft. I didn't think you'd mind me referring Boyd to you. Also, do an "Author" Search on OME for Aaron as he also has a couple of Stuart engines.

Also, do a Search on "NZ" in the text as there is another guy that posted messages about 2 years ago.
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aaron
Member
Username: aaron

Post Number: 6
Registered: 07-2004
Posted on Wednesday, May 25, 2005 - 11:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hey there, Aaron from N.Z. here,
Yes I do have a p66 and a p55 engine, I think nit's the p66 that has the gearbox on it and the p55 has the centrifugal clutch on it (cannot remember as I havn't looked in the back shed for a while) Apart from that, I dont have any parts past the gearbox and clutch as I collect stationary engines and dont have plans to put one in a boat as yet because of the lack of space at my house. If anyone is after some spares for P5's, P66's, P55's and R3's I do have them for trade.
Cheers
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aaron
Member
Username: aaron

Post Number: 7
Registered: 07-2004
Posted on Friday, May 27, 2005 - 06:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Just a little bit more info on my engines:
P66D: s/n: 22B777 10hp @ 1650 RPM
P55MC: 27722 8hp @ 1500 RPM

The P66D is fitted with a Reverse Gearbox #20B966
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jennifer
Member
Username: jennifer

Post Number: 9
Registered: 12-2004
Posted on Friday, May 27, 2005 - 09:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi all
Hi to Aaron,thanks for posting those details Aaron
Ours is P66D 10HP serial number 22B780 so it sounds like your P66D is a sister to ours.
Also to all
We have now had made and fitted a 12 inch diameter 7 pitch 3 blade fixed left hand prop...it looks great..all new and shiney.So we looked longlingly towards the water and booked the travel lift...at last ..after all the battles with the engine,petrol leak in petrol tank,solved,engine cooling trouble,we think solved,wrong prop size,we hope solved,.......this all started in early Oct 2004!!! when the boat arrived from Auckland via truck.
Imagine our despair as I (the boat is up on the hard in a cradle and she is quite large) climbed into the cockpit to see the gear lever stuck in reverse.very unusual as no one had been on the boat except the previous "mechanic" taking off the wrong prop he put on.
So I put it in neutral.Guess what.....the saga continues.......she will not go into forward now...at all......we have a new prop on (and anode around the shaft )...the enginner looked at it and said to get a marine mechanic....we did ..he said he will have to take the gear box apart..Monday pm at the earliest...he thinks someone booted or hammered it into reverse and has possibly damaged the gears....
so here we are ......once again waiting to solve yet another problem...we are seriously thinking the boat or engine are jinxed!!!..
can anyone suggest anything so solve a stuck clutch I think it is......ie no forward....
we are in a state of disbelief.........surely its got to end sometime...all we want to do is go sailing........
In the manual it says to "try swinging the gear lever into opposite gear"...we cant ..it wont go thenit suggests"if stuck in forward gear engage reverse......." how stupid is that?...we cant...there will be an engine overboard drill at 1600Hrs on 30 May if we cant get this b....thing going........
dear learned enthusiasts, once again I ask your assistance...........
all suggestions very welcome.....
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jennifer
Member
Username: jennifer

Post Number: 10
Registered: 12-2004
Posted on Friday, May 27, 2005 - 09:39 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I apologise for the long posting.I will aim to be more succinct in future....
something like......."Free Stuart Turner engine"....pick it up at the bottom of Wellington Harbour
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mike_sutcliffe
Member
Username: mike_sutcliffe

Post Number: 8
Registered: 07-2004
Posted on Saturday, May 28, 2005 - 01:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi Jennifer,

Sorry to read about your stuck gearbox. Sounds like you are suffering from "Sticktion".
Have you tried using a wooden block and hammer against the shaft coupling, tapping it forward (If stuck in Reverse!) to free the cone.
If the coupling is inaccessible, tap the sides of the gearbox casing near the forward ends. This should allow the balls to come free!

Do you have a tram handle type gearbox or the type 75 with a forward/reverse hadle? I have an engineering drawing of the type 75 if you or your ST engineer need to see one.

I have a type 75 gearbox on a ST P66D installed in a Putt Putt which now operates very well. I had to have quite major repairs done on the gearbox last year due to a previous owners abuse.

Cheers, Mike Sutcliffe, Melbourne
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timmulvey
Senior Member
Username: timmulvey

Post Number: 159
Registered: 05-2003


Posted on Saturday, May 28, 2005 - 06:58 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Do some ringing around and you will likely find a another gearbox if it gets to that stage. Can't it be fitted while the boat is in the water? Paying a mechanic will be quite expensive and then he'll probably perhaps need parts anyway. Pity you aren't over here in OZ as I have 3 or 4 spare secondhand (direct drive) gearboxes here in Sydney. There must be some over there also. Try some of the old baotsheds that have a marine engineer or your equivalent of our Wooden Boat Assoc as people are the best source of something specific like this enquiry.

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