Not had a Lister in 25 years.....

Discussion in 'Discussion' started by Skankin_giant, Oct 5, 2020.

  1. Skankin_giant

    Skankin_giant Well-Known Member

    Off out this afternoon to pick up my first Lister in 25 years or so, knowing me it's not the obvious choice of one of their 4 strokes but the unusual 2 stroke. (Yes, it could be a badge-engineered engine)
    Should have more information once I've got it.
    Does anyone have any further information on their provenance? I have a copy of the information published in issue 424 of SEM.

    Thanks in advance.

    Photos here:
    https://photos.app.goo.gl/3sFRMgks722sLdqR6
     
  2. petternut

    petternut Administrator

    IIRC PT-E is knowledgable on this oddity.
     
  3. Skankin_giant

    Skankin_giant Well-Known Member

    Thanks for the info, I'll see if I can drop him a line.
     
  4. Victoria

    Victoria Member

    Steve,
    I was going to suggest just the same; mention to P T-E his contribution to Engine Torque on the subject in SEm issue 424. He may well know who now owns Ken Bridges' engine. I will explore another avenue on this one. Interesting!
    Eric
     
  5. Skankin_giant

    Skankin_giant Well-Known Member

    I'll get it apart when I get a moment and see if there is any markings on the components.
     
    highrange likes this.
  6. Skankin_giant

    Skankin_giant Well-Known Member

    highrange likes this.
  7. petternut

    petternut Administrator

    What is the part number inside the piston skirt? Looking at it again some names came vaguely to mind for further research; Demon and Ward & Goldstone.
     
  8. Skankin_giant

    Skankin_giant Well-Known Member

    TS875 by the looks of it.
     
  9. Victoria

    Victoria Member

    TS for two stroke?
    Eric
     
    Skankin_giant likes this.
  10. Skankin_giant

    Skankin_giant Well-Known Member

    That was my thinking... Probably a bit wishful.
     
  11. Victoria

    Victoria Member

    Maybe a standard Wellworthy? catalogue number.... Whoever made the engine, doubtless the piston would have been bought-in and the drawing office used it as the basis of its design. What are the screw threads? Take care not to confuse Whitworth with Unified as below 1/2 inch they are very similar. I still think it was a bought-in experimental engine to "test the market". For your sake I would love TS to be Stuart Turner in reverse....

    Eric
     
  12. petternut

    petternut Administrator

    Just been through my pre-war Wellworthy catalogue. They do not list pistons for S-T. Their pistons are generally prefix C (including Lister) and none with ST or TS prefix. Given that Lister had their own foundry, pattern shop, and toolroom I still favour it being a Lister product. I'll go through the Hepolite catalogue when I find it.
     
  13. Skankin_giant

    Skankin_giant Well-Known Member

    My thoughts also Roland.

    S.T cast their own pistons until the P6 and maybe P5A when they went to aluminium IIRC.
     
  14. Numpty1

    Numpty1 Member

    Wasn't the D type piston a Wellworthy product? The design certainly appears to have been passed around with Ruston PT and PS (and their siblings WD 1 & 2) using a virtually identical piston. Remember by the 30's the bean counters were beginning to make a presence, so if it was cheaper to buy in, they would have done so. We know brassware was bought in from much earlier. An interesting machine and I would still favour a 'bought in' design. The Autotruck was bought in and the power plant wasn't replaced by a Lister unit until the Diesel era. My two-penneth anyway.
     
  15. petternut

    petternut Administrator

    Wellworthy list Lister H up pistons and Petter Atomic but I'm sure I've seen o/s Wellworthy pistons for a D.
    I have had Hepolite after-market Petter pistons in my hands. I will try again to find my Hepolite cats but having moved my entire library its not easy.
    Yes the Lister DK (flat top) and wolseley WD /R&H PB and PT are the same 3" bore.
    Certainly Petters switched to bought in bearings (Glacier) in the late 20s. I would suggest that buying in anything but off the shelf only makes sense for volume production.
     
  16. Numpty1

    Numpty1 Member

    The Ruston 2PS also used the domed D type piston.
     

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