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Python Drive - replacement parts


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I've got a python drive which is working fine however the rubber mounting blocks are starting to split with age (about 8 years old).

 

Any idea if there is still a UK retailer? Google is failing me!

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I've got the contact details for UK supplier / servicer.

 

 

 

Lancing Marine. http://www.lancingmarine.com/

 

They however use Vulkan Couplings, but I am not sure if they deal with the public, but worth a try: www.vulkan.com

 

I did have a web address at .co.uk but that seems to have gone. The address I have for them is Archer Road, Armytage Road Ind. Estate, Brighouse, West Yorks, HD6 1XF tel 01484 712273. This was in August 2010.

 

Good luck!

 

 

Ahh, found this: http://www.vulkan.com/en-us/holding/vulkan-companies/great-britain

 

From their website:

 

SPARE PARTS, TORSIONAL VIBRATION CALCULATION, 6 DOF, TEST CENTER, WHIRLING CALCULATION, PRODUCT INSTALLATION, INSPECTION / MAINTENANCE, ALIGNMENT CHECK, ONSITE VIBRATION MEASUREMENT
Tracey Moxon
tmoxon@vulkan.co.uk
Phone
+44 1484 712273
Fax
+44 1484 721376

SALES & SERVICE

With 18 subsidiary companies and 50 agencies worldwide, we make VULKAN expertise available on site everywhere. For our customers this means that our specialists and the matching solutions are quickly available right where they are needed. To see all locations of VULKAN Distributors and Partners download our Sales & Service Brochure.

Sales & Service Brochure



TRADE PARTNER Python Drive Since 2008 we have represented Python-Drive, CV drive shaft systems in the UK and Eire. The flexible drive units will transmit 10 - 1000 hp and accommodate propeller thrust loads up to 60 kN.
Edited by dor
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Strewth!

 

Just got a reply from Samantha Bird (samantha.bird@arleigh.co.uk) who are actually from Midland Chandlers - who must have got my email forwarded to them when I emailed the above address !!

 

 

4 rubber mounting blocks for a Python P30-R - they want £80 + £6 postage + VAT = £103.20

 

For 4 bits of rubber - the whole unit cost about £300 !

 

Sod it, I'll wait for it to fail and replace with a centaflex.

Edited by stuart
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Strewth!

 

Just got a reply from Samantha Bird (samantha.bird@arleigh.co.uk) who are actually from Midland Chandlers - who must have got my email forwarded to them when I emailed the above address !!

 

 

4 rubber mounting blocks for a Python P30-R - they want £80 + £6 postage + VAT = £103.20

 

For 4 bits of rubber - the whole unit cost about £300 !

 

Sod it, I'll wait for it to fail and replace with a centaflex.

Take one off and go to Motor factors like QH or Partco. You'll almost certainly get something near enough to do the job, like TCA bushes, rear suspension bushes ect.

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Good idea, they have a lip on the top of them to keep them central so might have to get something on a lathe to match!

If you mean like a lip all around on one end, top hat bushes we called them. Many rubber bushes on vehicles have it, certain shock absorbers, wishbone bushes ect.

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Thrust bearing failed on my Python Drive.Let it howl for a couple of years until the inevitable happened. Bearing fitted is poor quality. Replaced with a standard SKF bearing,problem solved.Cost of the appropriate SKF bearing £50.

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  • 5 years later...

Opening a REALLY old thread here, but I've still not replaced the bushings - 6 years later they are still grazed, but working, although the boats hardly done any miles in that time.

 

I'm going to take a look this afternoon to measure up for after market parts.

 

My boats been left unloved for a number of years, so ignore the rust!

 

IMG_20210410_134446.jpg.a3f98d0dcd924e5eea21db4a6205b469.jpg

Edited by stuart
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Be aware that they may well have lands on the end that go into the holes in the plate to prevent vibrations being transmitted to the hull by bolt to hole contact.

Have you contacted the English distributor as listed on their website

 

Vulkan Industries Ltd.

Archer Road Armytage Road Industrial Est., HD6 1XF BRIGHOUSE

tel.: +44-(0)1484 7122 73,  fax: +44-(0)1484 7213 76

e-mail: info@vulkan.co.uk

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Thanks Tony.

 

I've just been to the boat to remove them.

 

They have a 10mm hole for the bolt, the bushing is now 39.6mm in diameter (after being squashed) and 13 to 14.7mm thickness.

 

There is a little top hat that fits into the python unit, only a few mm tall and 14mm in diameter.

 

The metal washer that pushes against this is 33.7mm diameter.

 

As expected hard as nails after all these years

 

 

 

IMG_20210412_200037.jpg

Edited by stuart
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At 80p a pop its definitely worth looking at the mini ones. I suspect they will be identical but choose the original rubber ones, not the improved handling/competition hard ones.

 

I can't find the dimensions online but from memory the bar is about 10mm diameter and they have the "little top hat".

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1 hour ago, Tony Brooks said:

At 80p a pop its definitely worth looking at the mini ones. I suspect they will be identical but choose the original rubber ones, not the improved handling/competition hard ones.

 

I can't find the dimensions online but from memory the bar is about 10mm diameter and they have the "little top hat".

Could well be Tony. They remind me of shockers top bushes too

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Thanks Tony, I'll see if I can find the dimensions for those, the 'top hat' looks a little wider in the photos I've found.

 

May see if my local motor factors has some to look at.

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Looks like the mini part is too small, the outside diameter at 32.8m is smaller than the washers on the Pythondrive @ 34mm.  The "top hat" is also 18mm vs 14mm.

 

I might give it a go anyway and see what happens!

 

These are the dimensions I got from this site https://www.whiteline.com.au/product_detail4.php?part_number=W81156&sq=280666

 

 

obraz.png

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On second thoughts,

 

https://www.whiteline.com.au/product_detail4.php?part_number=W31487

 

TOYOTA LAND CRUISER 1981-1991 - LAND CRUISER 60 SERIES HJ
TOYOTA LAND CRUISER 1980-1990 - LAND CRUISER 60 SERIES FJ
TOYOTA LAND CRUISER 1985-2000 - LAND CRUISER 70 SERIES

 

Appears to be a good match.

 

Bush
Type
Bush
Qty
OD
A
ID
B
L
C
FL
D
FLOD
E
C/Tube
QTY
C/Tube
Size
Similar
Bushing Size
7 4 37.5 mm 9.5 mm 16 mm 2.5 mm 14 mm     click here
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I would be reluctant to take your measured OD as the OD of the parts when new. The fitting instructions say you have to squash them to a given thickness and that must make the OD larger. I also would not care if the OD were a few mm different either way. They are only there to transmit prop thrust to the hull plate and isolate the hull plate from shaft vibrations.

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20 minutes ago, stuart said:

Thanks Tony.  The original parts quote "P30-R: silent rubber blocks should be compressed to 13 mm."

 

 

 

Yes I found that but if you use non Pythondrive parts you would have to compress them by gut feeling. I would try to set them so the thrust bearing does not move as you go into and out of gear with some revs on.

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Looking at the brochure, the rubbers are about the same size as the washer - thats 33.7mm in my case, so the rubber is likely 32mm.

 

Interestingly, they also appear smooth, without the "top hat" so I think this may just be a side effect/moulding of them being crushed against the bearing!

 

image.png.597573942b61b9148bd1bbf21f5aa5ec.png

Edited by stuart
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