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  1. bigrigbri

    CAT engine pattern and core box

    Also as requested some pics of the above made in pine dowling and mdf and brass divits for detail. Oak and the like are too much for my meagre wood tools. The whole lot was given at least 6 coats from a black spray bomb to seal. Brian.
  2. bigrigbri

    My tire mould for truck.

    For the people that requested pics of the tire mould. The letters were stamped in on a rotating jig mounted to the centre boss and used 3/8" tool steel ground to shape on the end and then punched in. Aferwards I lightly skimmed the rofile again usind an old ground file and using "wood carving"...
  3. bigrigbri

    Thin parts machining.

    If say, a washer wants thining down some after p/off holding it is very difficult. If you chuck a piece of say ally and face it true then using CA glue the washer say to the ally, clamping with the t/stock till set. The part can be machined qute accuartely and when done the job can be given a...
  4. bigrigbri

    Soft Jaws

    If this has been done please excuse me. I was told of this method by a chap some many years ago and it is very cheap and works great. Using the standard 3 jaw chuck jaws whether they be external or internal this method can be adopted. 3 rings of say aluminium can be made to fit over the...
  5. bigrigbri

    CAT 3406e Diesel engine

    Heres some pics of my work in progress of the notorious Cat 3406e truck engine. Made from a pattern done by myself on the block and with purchased gears
  6. bigrigbri

    Case hardening Oxy/ Acetelene

    If this has been mentioned before please excuse me. If you heat up the workpiece to be hardened with oxy/acetelene to the req`d temp 680c say then still with the flame on the job turn the oxy off. This will then give a sooty flame in which the metal will absorb into the skin.(a few seconds is...
  7. bigrigbri

    My long running CAT Engine Project!!

    Hello to all from the UK, I am a life long fan of model engine construction and have been an engineer for 23 years. I have posted on many model truck forums in the past but this one (which I only stumbled accross) deal with engine construction of the model kind which floats my boat. I am in the...
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