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  1. Replies
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    Thanks Eskimo, Prior to your post, I had made a...

    Thanks Eskimo,
    Prior to your post, I had made a couple of brushes as per Jim's video.
    I'll try them & see how they go in the straight cutting oil.
    Regards,
    Don.

    392495
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    G'Day Jim, Bought a silicon baking sheet (270 x...

    G'Day Jim,
    Bought a silicon baking sheet (270 x 380 x 0.6) for $5.00 at a "el cheapo" shop & made the trial brush using a rolled tinplate handle from an old spirit brush. Does not appear to be...
  3. Replies
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    G'Day Jim, Just viewed your silicon paint brush...

    G'Day Jim,
    Just viewed your silicon paint brush video & love it. I have used hair spirit brushes for years to apply straight cutting oil when turning & milling. Cannot buy them anymore & have only...
  4. Thanks for the input Jack620 & China. China you...

    Thanks for the input Jack620 & China.
    China you are correct in identifying the castings as a Titan. I have found a couple of images of a nicely finished engine & as can be seen they are the same...
  5. Model Aero Engine Casting Identification.

    G'Day All,
    I was recently given a box containing six unmachined aero engine castings. Five of which had a set of detailed drawings. The one shown below has no drawings & I cannot identify it.
    Can...
  6. Replies
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    G'day Familyguy, Yes, it is a four stroke...

    G'day Familyguy,
    Yes, it is a four stroke engine. It has 15cc capacity & runs best on 95 octane petrol. Using 91 petrol it "chugs" a bit & 98 it gets very hot.
    Regards,
    Don.
  7. Replies
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    Thanks for the input blokes, I have looked into...

    Thanks for the input blokes,
    I have looked into an electronic box as suggested by GuzziJohn & I think that is what will finally finish up as the ignition. My concern with these units is that the...
  8. Replies
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    G'Day China, Here is a 8 boring bar made from a...

    G'Day China,
    Here is a 8 boring bar made from a M8 grade 8 bolt shank. The HSS tool bit was ground from a broken No.1 centre drill, that sits in a drilled hole. The HSS is held in position by an M3...
  9. Replies
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    G'Day All, Thanks to everyone that sent a like...

    G'Day All,
    Thanks to everyone that sent a like to the last post on the rollers progress. It is much appreciated.

    I have hit a bit of a brick wall at present. Having trouble finding a suitable...
  10. Replies
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    G'Day All, Some more progress on the roller. The...

    G'Day All,
    Some more progress on the roller. The exhaust system has been the most frustrating part of the build so far. I used K & S metals, 5/16" x 0.041" wall thickness hard drawn brass tube for...
  11. Replies
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    G'Day Chris, Welcome to the forum. This is a...

    G'Day Chris,
    Welcome to the forum.
    This is a great place to show us all your radial engine as it progresses & also to read & comment on all the great stuff being done in Oz.
    Regards,
    Don.
  12. Replies
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    Thanks Steve, I'll start from this site & see...

    Thanks Steve,
    I'll start from this site & see what I can find.
    Regards,
    Don.
  13. Replies
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    G'Day All, I am still building the roller & at...

    G'Day All,
    I am still building the roller & at present trying to fit an exhaust system that will clear all the other parts. My question here is, does anyone know where I can buy heat resistant...
  14. G'Day Steve, I found the Pies company very good...

    G'Day Steve,
    I found the Pies company very good to deal with also. I had the belt I required within a couple of day of payment.
    Regards,
    Don.
  15. OxxAndBert, Try PIES Australia...

    OxxAndBert,
    Try PIES Australia, I recently had dramas trying to find a suitable toothed belt for a model & this company were able to supply a belt when I could not find any other supplier.
    Regards,...
  16. Replies
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    G'Day All, Thanks to everybody that have "liked"...

    G'Day All,
    Thanks to everybody that have "liked" the previous posts. Much appreciated.

    Some further progress has been made on the roller. The first two images are the toothed engine to...
  17. Replies
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    G'Day All, A little more has been completed on...

    G'Day All,
    A little more has been completed on the roller construction.
    I wanted the steering components to be completed before I went any further.
    The worm was first. The original drawings called...
  18. Replies
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    G'Day All, Back again with a little more...

    G'Day All,
    Back again with a little more progress on the roller.
    Since the last post, I have fabricated the front roller forecarriage from 1.6mm MS plate & a milled centre section. A 6mm plate jig...
  19. Replies
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    G'Day All, Back again after the usual...

    G'Day All,
    Back again after the usual interruptions of retirement.
    I have completed the friction drive transmission for the roller. I'm not sure that this is going to work effectively but, I am...
  20. Replies
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    G'Day Davo, Here's a simple formula for spindle...

    G'Day Davo,
    Here's a simple formula for spindle speeds; RPM = (300xV) divided by d, where "V" = cutting speed velocity in meters per minute & "d" is work diameter in millimetres. Approximate cutting...
  21. Caskwarrior, You could try Tracey Tools LTD...

    Caskwarrior,
    You could try Tracey Tools LTD ([email protected]). They are a UK company & their service is very good. I have bought quite a few 20˚PA, gear cutters from them at a fraction of the...
  22. Replies
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    Aveling Roller continued

    G'Day All,
    Finally, back in the shed after the summer heat & other interruptions. I have finished both the front rollers, again turned from solid stock (150 x 56) black MS. As the rollers are only...
  23. Replies
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    I have had a Vertex rotary table, dividing head &...

    I have had a Vertex rotary table, dividing head & foot stock for over 10 years & have not had any problems with them. I can recommend them all.
    Regards,
    Don.
  24. Replies
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    Kryn, I can put up with the chatter on the...

    Kryn,
    I can put up with the chatter on the thread as I am not making another.

    Malb,
    The threads are not binding prior to the register faces meeting. I made a master thread gauge years ago when...
  25. Replies
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    New Screwed Backing plate

    G'Day All,
    After putting up with my lathes (AL300) original 4 jaw chuck backing plate for far too long I decided to do something about it.
    The problem being that the fit between the backing plate...
  26. Replies
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    Eskimo, I have a couple of Bacho 0673 shifters...

    Eskimo,
    I have a couple of Bacho 0673 shifters that are 1967 models & they have a thread that measures 7.05mm OD x 0.95 pitch.
    Hope this helps.
    Don.
  27. Replies
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    G'Day All, Finally back in the shed after the...

    G'Day All,
    Finally back in the shed after the summer heat has subsided, just too hot to do any work since last November.
    I have recently finished the two rear rollers, apart from the reamed holes...
  28. Replies
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    G'Day China, Cold rolled steel plate is what you...

    G'Day China,
    Cold rolled steel plate is what you want. I have used it a lot at 3mm thick, assume that 6 mm is available.
    Regards,
    Don.
  29. Replies
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    G'Day Ken, Some info that may help you with the...

    G'Day Ken,
    Some info that may help you with the square thread.
    372232
    The most important point of screw cutting a square thread is the correctly tool geometry. It may take a little practice to...
  30. Replies
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    G'Day All, I do not know if this has been shown...

    G'Day All,
    I do not know if this has been shown previously, apologies if it has!
    Further to the previous posts, I have made a short video of a modified standard twist drill for use on sheet metal....
  31. Replies
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    G'Day All, Thought that I would add a little to...

    G'Day All,
    Thought that I would add a little to the "sheet metal drill" discussion.
    For sheet metal I have found that grinding the drill to points on the extremities of the drill flutes cuts a very...
  32. Replies
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    G'Day All, Thanks again to all that have sent...

    G'Day All,
    Thanks again to all that have sent likes etc.

    I have fabricated the pivot head for the front of the roller & after grit blasting it should look like a casting. It has been fabricated...
  33. Replies
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    G'Day All, Thanks again to those who have liked...

    G'Day All,
    Thanks again to those who have liked & given nice comments.

    Chris, I do not know what the maximum RPM of the engine is, as the electronic tacho has had a burn out. The highest engine...
  34. Replies
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    G'Day DSEL74, I used blue marking medium for...

    G'Day DSEL74,
    I used blue marking medium for many years & have now found that black or grey etching primer makes a better marking medium. If it is sprayed on lightly a good fine line can be scribed...
  35. Replies
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    G'Day All, Final images for the Aveling engine. ...

    G'Day All,
    Final images for the Aveling engine.
    Had a few problems with the incorrect choice of material for the fixed ignition point. I initially made the fixed point from an M3, 316 stainless...
  36. Replies
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    G'Day All, The carburettor body was next to be...

    G'Day All,
    The carburettor body was next to be fabricated. Again I wanted the body to look as though it was cast, so the various components were machined, assembled & silver soldered together. The...
  37. Replies
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    G'Day All, I tried to post yesterday, but some...

    G'Day All,
    I tried to post yesterday, but some thing went pear shaped & it did not come up. Try again.

    The cylinder head started as a block of 6061 Al. Turned the threaded spigot first, then...
  38. Replies
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    G'Day All, The cylinder head was the next part...

    G'Day All,
    The cylinder head was the next part to be made & started as a block of 6061 Al.
    ...
  39. Replies
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    G'Day All, Thanks to all those that send a like...

    G'Day All,
    Thanks to all those that send a like for this thread.
    To continue with the crankcase, both sides of the c/case were held together using 14, M3 c/sunk head screws positioned around both...
  40. Replies
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    Aveling I.C. Model Roller

    G'Day All,
    I started the build of this 1-1/2" scale Aveling model roller (designed by Edgar Westbury, circa 1938) early 2013. I found a set of copied original drawings from the Model Engineer...
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    Thanks for the welcome, hope that I can...

    Thanks for the welcome, hope that I can contribute something to the forum.
    Regards,
    Don.
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    Newbie from Lismore

    G'Day All,
    Please allow me to introduce myself.
    I'm Don & live in Lismore NSW. I have very recently found this forum & looking forward to participating on it.
    I am a retired fitter & turner & I am...
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