Author Topic: Douglas t35 stationary generator  (Read 3051 times)

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Offline Willo

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Douglas t35 stationary generator
« on: 12 Apr 2018 at 03:51 »
Can any one please advise me if the crank shaft on the stationery generators is the same as a t35 mk4 motorcycle crank shaft,as I think I may be able to get a wrecked generator, and are clutch plates still available for a t35 mk4 motorcycle
Many thanks in advance for your replies  willo :D

Offline douglas1947

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Re: Douglas t35 stationary generator
« Reply #1 on: 12 Apr 2018 at 05:10 »
Willo,

itīs nearly the same crankshaft (only on drive side is a small difference) and it is possible to use it.

You can get further informations in John Holmes article about overhaul T35 bikes (you can download it free).

Michael

Offline Willo

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Re: Douglas t35 stationary generator
« Reply #2 on: 12 Apr 2018 at 05:32 »
Many thanks Douglas 47will try and find the down load  willo :D

Offline eddie

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Re: Douglas t35 stationary generator
« Reply #3 on: 12 Apr 2018 at 07:03 »
There are 2 main differences between the generator engine crankshaft and the motorcycle crankshaft. Firstly, the shaft on the drive end of the generator crank doesn't have a register to fit an oil thrower, and secondly, the timing end is a little shorter as it only had one timing gear that drove both the cams and the magneto/governor assembly. To fit the generator crank, you will have to machine down the timing gear retaining nut to a stepped nut to retain the 2 gears. You will also have to play around with the key, as it is a square key on the generator and a woodruff key on the motorcycle. Also, be careful - the generator timing gear looks the same as the camshaft drive gear of the motorcycle, but the keyway is half a tooth out.

  Regards,
                Eddie.

Offline Willo

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Re: Douglas t35 stationary generator
« Reply #4 on: 13 Apr 2018 at 06:32 »
  Many thanks Eddie that was not what I wanted to hear,
 but at least I can use the barrels , pistons and connecting rods.
I believe the barrel fins need a bit of modifying .
      Regards Willo  :?

Offline eddie

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Re: Douglas t35 stationary generator
« Reply #5 on: 13 Apr 2018 at 07:12 »
Willo,
         I have just stated the differences that you will encounter when transplanting a generator crank into a motorcycle engine - they are not great problems, but it helps to be forewarned of the little snags that may occur. Quite a few owners have already accomplished this crank swap.
      With regard to using the barrels - they can only be used as a direct replacement for the early T35 barrels - they are not the same as those fitted to the Mk3 - 5 machines.

  Regards,
                Eddie.
« Last Edit: 13 Apr 2018 at 07:22 by eddie »

Offline Willo

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Re: Douglas t35 stationary generator
« Reply #6 on: 13 Apr 2018 at 07:59 »
Thanks Eddie once again you have burst my bubble, mine is a mk 4
what I was trying to do is build up spare parts .  You know if you have spares around
then they are seldom used, like a insurance policy.
are clutch spares still available and who may stock them.
     Thank You  willo :D

Offline eddie

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Re: Douglas t35 stationary generator
« Reply #7 on: 13 Apr 2018 at 09:51 »
Look out - here goes another bubble!
  As far as I am aware, clutch spares are getting hard to come by. Release bearings are the biggest problem as they are not easy to reproduce.
  When I was involved with the LDMCC spares scheme, we had all the parts made for the friction plates - you will need to enquire as to what stock is still available. Even if they cannot help at this time, all enquiries will be noted with a view to assessing the viability of getting fresh stock made in the future.

  Regards,
                Eddie.

Offline Willo

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Re: Douglas t35 stationary generator
« Reply #8 on: 13 Apr 2018 at 14:21 »
 Thanks Eddie will join the club and find out   Thanks willo :D

Offline dalgrae

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Re: Douglas t35 stationary generator
« Reply #9 on: 13 Apr 2018 at 15:04 »
Hi Eddie out of curiosity what item in the parts book is the release bearing you mention as difficult to reproduce.

Regards. Colin

Offline eddie

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Re: Douglas t35 stationary generator
« Reply #10 on: 13 Apr 2018 at 15:54 »
Plate 14, Items 7 & 16.   Item 7 was originally made from a forging and is not an easy item to fabricate, bearing in mind it also has to be case hardened on the bearing track and ramps.

  Eddie.

Offline dalgrae

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Re: Douglas t35 stationary generator
« Reply #11 on: 13 Apr 2018 at 16:01 »
Thank you Eddie

Regards. Colin

 

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