Hi
Hope you don't mind me dropping onto the end of this old thread, as my first post, but I've just acquired a Trewhella Wallaby. All appears complete and operates OK although I've not tested it under load yet.
It is dated 1954 and the handle appears to be a two piece, although its not coming apart at the moment. Applied some plusgas and will leave it for a while.
I read the post from N.O.S. about them being used on the gliders during WW2 but I am unsure whether the British Army continued with that into the 1950s as nothing after an initial cursery glance comes up about towed gliders post war so uncertain about where it originated from. Doesn't appear to have been used that much and the wire rope isn't damaged and is pretty much kink free.
Any additional information, and if there's a chance of any pictures or scans about any of the Trewhella winches from army recovery manuals or other sources would be nice to look at. My acquired copy of the REME recovery manual shows Tirfors as the hand winches.
I added the shackles as there was nothing at the frame end and only a small shackle parked in the eye splice.
I've attached a couple of pictures below.