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  1. G'Day All, I have been using citric acid &...

    G'Day All,
    I have been using citric acid & double strength white vinegar to clean rusted components for many years.
    Removes mill scale from steel & flux slag from silver soldered bits in about...
  2. G'Day Familyguy, Here is some formula that I was...

    G'Day Familyguy,
    Here is some formula that I was instructed to use as an apprentice in the mid 1960's & have used ever since.

    The bore sizes calculated by these formula are the minimum bore sizes...
  3. Thread: Charts

    by Don@2480
    Replies
    9
    Views
    834

    G'Day Snappy, Your post of the little toolbox...

    G'Day Snappy,
    Your post of the little toolbox charts prompted me to look for mine. I don't think they have seen the light of day for decades.
    All McPherson charts still in their original plastic...
  4. Replies
    2
    Views
    663

    G'Day Greg, Great work on the restoration....

    G'Day Greg,
    Great work on the restoration. Finished a magnificent little engine.
    Well done.
    Don.
  5. Replies
    46
    Views
    43,705

    G'Day All, Well, after starting 10 years & 5...

    G'Day All,
    Well, after starting 10 years & 5 months ago, the Aveling roller project is now complete. During that time I have logged 1405 hours of workshop time on it.
    The final component parts...
  6. Replies
    46
    Views
    43,705

    G'Day All, Thanks to those who have liked the...

    G'Day All,
    Thanks to those who have liked the previous post. Final painting been done now. Hopefully totally finished in a couple of weeks.
    Regards,
    Don,
  7. Replies
    46
    Views
    43,705

    G'Day All, Finally, have all the components of...

    G'Day All,
    Finally, have all the components of the model Aveling DX road roller complete.
    There has been 477 individual components made, a lot then fabricated into one assembly.

    400021
    Parts...
  8. Replies
    46
    Views
    43,705

    G'Day All, After a bit of a break due to...

    G'Day All,
    After a bit of a break due to illness, I have started on the roller again & have only a few components left to make. As you can see, the canopy roof is to be completed. The tail pipe &...
  9. Thread: Flooded

    by Don@2480
    Replies
    11
    Views
    2,454

    G'Day All, Here are a few images of the...

    G'Day All,
    Here are a few images of the aftermath of this totally disastrous & devastating flood that has all but washed Lismore (2480) away. The previous highest recorded floods were in 1954 &...
  10. Replies
    12
    Views
    4,193

    Thanks everybody for your input. A lot of...

    Thanks everybody for your input.
    A lot of electronics suppliers are out of stock of ignition systems.
    Keep this as a back burner project.
    Thanks,
    Don.
  11. Replies
    12
    Views
    4,193

    Thanks to all for your input. This engine is...

    Thanks to all for your input.
    This engine is definitely a petrol, spark ignition engine of approx. 8.4 cc/ 0.51 c ins.
    Swarfless, thanks for the info on the starting procedure, as I have never had...
  12. Replies
    12
    Views
    4,193

    ID of unknown engine.

    G'Day All,
    I was given this engine by someone who found it when cleaning out an old shed. It was covered in dried fuel/oil & years of dust.
    A few questions about it please.
    1. Does anyone know the...
  13. Replies
    21
    Views
    2,130

    Nadroj, Yes, a screwcutting gauge must always be...

    Nadroj,
    Yes, a screwcutting gauge must always be used to set the tool at 90˚ to the work axis.
    However, as the tool has a rake ground onto it, only the leading edge of the tool is set to the gauge...
  14. Replies
    21
    Views
    2,130

    Azzrock, Keep trying the offset method of screw...

    Azzrock,
    Keep trying the offset method of screw cutting as it is the best way to cut vee threads in MHO.
    You are correct to offset the compound rest by 29.5˚ for 60˚ included angle threads. Half a...
  15. Replies
    20
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    13,649

    G'Day All, Heres a little info Re; starwheels....

    G'Day All,
    Heres a little info Re; starwheels. As noted earlier a starwheel is a thin gear that is in constant mesh with the leadscrew. The starwheel must have equally spaced teeth & the number of...
  16. Replies
    7
    Views
    4,339

    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
  17. Replies
    7
    Views
    4,339

    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...
  18. Replies
    7
    Views
    4,339

    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...
  19. Replies
    3
    Views
    1,386

    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...
  20. Replies
    3
    Views
    1,386

    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...
  21. Replies
    46
    Views
    43,705

    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.
  22. Replies
    46
    Views
    43,705

    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...
  23. Replies
    6
    Views
    3,110

    G'Day China, Here is a Ø8 boring bar made from a...

    G'Day China,
    Here is a Ø8 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...
  24. Replies
    46
    Views
    43,705

    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...
  25. Replies
    46
    Views
    43,705

    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...
  26. Replies
    6
    Views
    3,473

    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.
  27. Replies
    46
    Views
    43,705

    Thanks Steve, I'll start from this site & see...

    Thanks Steve,
    I'll start from this site & see what I can find.
    Regards,
    Don.
  28. Replies
    46
    Views
    43,705

    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...
  29. Replies
    144
    Views
    82,915

    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.
  30. Replies
    144
    Views
    82,915

    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,...
  31. Replies
    46
    Views
    43,705

    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...
  32. Replies
    46
    Views
    43,705

    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...
  33. Replies
    46
    Views
    43,705

    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...
  34. Replies
    46
    Views
    43,705

    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...
  35. Replies
    17
    Views
    7,021

    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...
  36. 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...
  37. Replies
    46
    Views
    43,705

    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 (Ø150 x 56) black MS. As the rollers are only...
  38. Replies
    14
    Views
    4,894

    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.
  39. Replies
    4
    Views
    3,139

    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...
  40. Replies
    4
    Views
    3,139

    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...
  41. Replies
    18
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    9,460

    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 Ø7.05mm OD x 0.95 pitch.
    Hope this helps.
    Don.
  42. Replies
    46
    Views
    43,705

    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...
  43. Replies
    12
    Views
    4,995

    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.
  44. Replies
    2
    Views
    1,575

    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...
  45. Replies
    12
    Views
    9,750

    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....
  46. Replies
    12
    Views
    9,750

    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...
  47. Replies
    46
    Views
    43,705

    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...
  48. Replies
    46
    Views
    43,705

    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...
  49. Thread: Layout fluid

    by Don@2480
    Replies
    8
    Views
    3,061

    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...
  50. Replies
    46
    Views
    43,705

    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...
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