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19th May 2016, 10:06 AM
Thread: What did you learn today?
by Gammaboy- Replies
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Sticky: Whatever's cheapest. Dex III is the usual.
Whatever's cheapest. Dex III is the usual.
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12th May 2016, 10:37 AM
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Wanted: outside Jaws, Vanco 6" 3 jaw chuck.
Got a set of random jaws lying around that don't fit your chuck? If they're 19mm thick with a 10mm waist and 7.25mm pitch on the scroll teeth, they may just fit mine... Alternatively, if you've got a...
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11th May 2016, 11:10 AM
Thread: Jafo milll repair
by Gammaboy- Replies
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Dial indicator held in the chuck, move table...
Dial indicator held in the chuck, move table underneath is probably the most basic way. For running across the t-slots you would probably want to drop on a parallel to give the indicator tip...
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5th May 2016, 11:17 AM
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It's all right Ryan - i dug into my 50's MARS...
It's all right Ryan - i dug into my 50's MARS lathe fully expecting it to be full of whitworth. Instead it's held together with UNCs, and appears to have metric crossfeed and compound screws, and TPI...
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4th May 2016, 04:58 PM
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Maybe a set of these beauties? 362339
Maybe a set of these beauties?
362339 -
4th May 2016, 03:50 PM
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3/8 Whitworth (Often marked as 3/8 BSW on the...
3/8 Whitworth (Often marked as 3/8 BSW on the spanner). Unlikely you'll find them new at supercheap/bunnings etc - best bet is to pick them up at a flea market.
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29th Apr 2016, 09:45 AM
Thread: What Mill?
by Gammaboy- Replies
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Hi Ryan - I "rage quit" PF a while ago and...
Hi Ryan - I "rage quit" PF a while ago and deleted a lot of my stuff, I think I left my GTV restoration thread untouched, but I deleted my Group Nc XY thread. My bike stuff is mostly scattered around...
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29th Apr 2016, 09:22 AM
Thread: What did you learn today?
by Gammaboy- Replies
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Sticky: Jesus, I wouldn't let that mix near anything i...
Jesus, I wouldn't let that mix near anything i owned.
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28th Apr 2016, 04:02 PM
Thread: What Mill?
by Gammaboy- Replies
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Yep.
Yep.
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28th Apr 2016, 09:39 AM
Thread: What did you learn today?
by Gammaboy- Replies
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Sticky: Yes, Auto Trans Fluid. ATF/Acetone is an...
Yes, Auto Trans Fluid.
ATF/Acetone is an excellent penetrant - beats the daylights out of commercially available things like Penetrene. ATF/Kero I imagine is a less volatile, more lubey, slightly... -
27th Apr 2016, 04:50 PM
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I bizarrely received a call from BOC the other...
I bizarrely received a call from BOC the other day asking about the fact that I hadn't bought gas from them for a while. The didn't offer me any discounts though.
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27th Apr 2016, 09:46 AM
Thread: What Mill?
by Gammaboy- Replies
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I *am* the OP. I know exactly what i want the...
I *am* the OP. I know exactly what i want the machine for, and given that I've been half heartedly looking on and off for a while, it should be obvious that rescuing a big old filthy piece of cast...
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26th Apr 2016, 03:10 PM
Thread: What Mill?
by Gammaboy- Replies
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I'd rather deal with the issues of a 50's machine...
I'd rather deal with the issues of a 50's machine than have bought a brand new chinese machine.
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26th Apr 2016, 10:26 AM
Thread: What Mill?
by Gammaboy- Replies
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Everything. For the cost of one of those pieces...
Everything.
For the cost of one of those pieces of I can buy a 50's machine that was built by people who cared. -
22nd Apr 2016, 02:22 PM
Thread: What Mill?
by Gammaboy- Replies
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Whole machine really. The main bearers that...
Whole machine really. The main bearers that support the house are ~ 6'3" - maybe 6'4" off the ground, with another 6" to the joists. I can't walk around with my welding helmet flipped up... lol. The...
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22nd Apr 2016, 09:06 AM
Thread: What Mill?
by Gammaboy- Replies
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Fair call, hadn't really though of the added...
Fair call, hadn't really though of the added height of a rotary table.
That Aciera is another really interesting bit of kit, suspect they're few and far between though!
Something I have... -
21st Apr 2016, 04:04 PM
Thread: What Mill?
by Gammaboy- Replies
- 64
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It's been pulled from ebay, citing "No Longer...
It's been pulled from ebay, citing "No Longer available" - but that looks like a really interesting machine with the table tilt/rotate - is 3 tonne realistic for something that size? Because of the...
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21st Apr 2016, 09:48 AM
Thread: What Mill?
by Gammaboy- Replies
- 64
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- 14,242
What Mill is it? Yeah, had been keeping an...
What Mill is it?
Yeah, had been keeping an eye out for a horizontal with a vertical head - rarely seem to see them with the head though. I Imagine building a head for one would be a nightmare. -
20th Apr 2016, 02:05 PM
Thread: What Mill?
by Gammaboy- Replies
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Whatever I can! I know that doesn't help, but i'd...
Whatever I can! I know that doesn't help, but i'd like a reasonable sized bed to be able to work with some bigger projects - the Rf40s and their ilk are that little bit small for my tastes (looking...
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20th Apr 2016, 11:32 AM
Thread: What Mill?
by Gammaboy- Replies
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What Mill?
So i want a vertical mill, and while I'd love a big old bridgeport, i simply don't have the height under my house for one - but I don't want to end up with a modern chinese RF40 or the like - what...
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18th Aug 2015, 04:29 PM
Thread: Hollow tube rotary welding table
by Gammaboy- Replies
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Braze it?
Braze it?
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13th Aug 2015, 03:57 PM
Thread: DIY Run flat trolley wheels.
by Gammaboy- Replies
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Using single pack PU foam in a can in an enclosed...
Using single pack PU foam in a can in an enclosed chamber is fail - found thi sout when trying to use it inside a plastic bag to take a mould of a volume so I could build a carbon fibre airbox.
The... -
27th Jul 2015, 10:47 AM
Thread: Buttweld Fittings
by Gammaboy- Replies
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Blackwoods - Do they ever have anything in stock?...
Blackwoods - Do they ever have anything in stock? Between their everything is out of stock, their "We won't tell you the price in the catalogue, it's a secret" (and it's double what you can get it...
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24th Apr 2015, 11:00 AM
Thread: Another MARS lathe. Model Unknown.
by Gammaboy- Replies
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My Betalon wound up being a bit too long - not a...
My Betalon wound up being a bit too long - not a massive amount, but enough to be noticeable (1530 is what I ordered, ddn't measure what was delivered, maybe of the order of 1570? enough that I had...
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17th Apr 2015, 10:12 AM
Thread: "bendex" cable end
by Gammaboy- Replies
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It's probably cheaper to buy an entire Ozito...
It's probably cheaper to buy an entire Ozito dremel knock off from Bunnings for it's cable than buying a dremel cable...
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16th Apr 2015, 11:03 AM
Thread: Another MARS lathe. Model Unknown.
by Gammaboy- Replies
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- 19,450
23 teeth on both, excellent! Thank you! Mine...
23 teeth on both, excellent! Thank you!
Mine doesn't have such tiny oilers - mine are 1/8th BSP (except for the shaft oiler which is 1/4BSP)
These fasteners on particular lathes are all... -
1st Apr 2015, 02:16 PM
Thread: Another MARS lathe. Model Unknown.
by Gammaboy- Replies
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There's a lever on the apron that switches...
There's a lever on the apron that switches between facing and turning for the power feed - I'll dummy it up tonight, but I'm pretty sure the drive gear can only engage one of the shafts.
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1st Apr 2015, 09:41 AM
Thread: Another MARS lathe. Model Unknown.
by Gammaboy- Replies
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Here's what my leadscrew and powerfeed gears look...
Here's what my leadscrew and powerfeed gears look like for you
http://i162.photobucket.com/albums/t242/Bish_500/Lathe/IMG_20150331_185808_848_zps0dg1hknz.jpg
Pretty sure the rest of the gears on... -
31st Mar 2015, 04:34 PM
Thread: Another MARS lathe. Model Unknown.
by Gammaboy- Replies
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Hudnut, clear out some of your PMs :)
Hudnut, clear out some of your PMs :)
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31st Mar 2015, 09:37 AM
Thread: Another MARS lathe. Model Unknown.
by Gammaboy- Replies
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- 19,450
It's a pity - I reckon between my lathe and your...
It's a pity - I reckon between my lathe and your lathe we could build one really good one.
As requested, here's a pic of the shaft cover on mine - nothing fancy.... -
30th Mar 2015, 02:04 PM
Thread: Another MARS lathe. Model Unknown.
by Gammaboy- Replies
- 43
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- 19,450
Thanks. Will take a pic tonight - I have to pull...
Thanks. Will take a pic tonight - I have to pull the lube feed from the spindle cap and measure the threads tonight anyway.
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30th Mar 2015, 12:47 PM
Thread: Another MARS lathe. Model Unknown.
by Gammaboy- Replies
- 43
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- 19,450
Oh, and the second gear that's doing nothing on...
Oh, and the second gear that's doing nothing on your cascade is there as a different set of ratios - swap it out for the gear that is engaged, and you'll probably have a selection of metric feeds - I...
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30th Mar 2015, 12:40 PM
Thread: Another MARS lathe. Model Unknown.
by Gammaboy- Replies
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- 19,450
I *think* its the same as mine - a Thor. Plate...
I *think* its the same as mine - a Thor.
Plate at the headstock should say.
http://i162.photobucket.com/albums/t242/Bish_500/Lathe/IMG_20130723_180436_564_zps346617a6.jpg
Mine's minus the Apron... -
24th Mar 2015, 01:50 PM
Thread: Plain Bearing Lathe Spindle lubrication?
by Gammaboy- Replies
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OK, thanks guys - will add that to the list of...
OK, thanks guys - will add that to the list of things to buy... sigh.
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24th Mar 2015, 10:07 AM
Thread: Plain Bearing Lathe Spindle lubrication?
by Gammaboy- Replies
- 6
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- 6,245
The SAE 80w gear oil I used is roughly the same...
The SAE 80w gear oil I used is roughly the same as some 30W/50 engine oil I had lying around (gear oils and engine oils use different measurement temperatures I believe?)- I was concerned that a...
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23rd Mar 2015, 03:59 PM
Thread: Plain Bearing Lathe Spindle lubrication?
by Gammaboy- Replies
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- 6,245
Plain Bearing Lathe Spindle lubrication?
Ok, so I'm getting closer to my 40's/50's Mars Thor being up and running, and I have a question Re: lubrication of the spindle - what is the go with spindle lubrication on old plain bearing lathes...
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23rd Mar 2015, 03:45 PM
Thread: Inexpensive Flat Belt Supply
by Gammaboy- Replies
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I've just installed a betalon flat belt I ordered...
I've just installed a betalon flat belt I ordered from https://store.lathes.co.uk/belts/betalon-multiply-flat-belting
You have to measure your length very accurately, but is seems so far like it's a... -
18th Sep 2014, 05:24 PM
Thread: Picked up a McMillan MA15 Air compressor
by Gammaboy- Replies
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Adding some extra tank capacity might be more...
Adding some extra tank capacity might be more helpful than you think - we were blasting with a tradetools compressor (Similar size to the OP's McMillan) that was running very high duty cycle and it...
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25th Aug 2014, 05:05 PM
Thread: What motor?
by Gammaboy- Replies
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What motor?
So, finally got 15 minutes to mess with the switch unit and start cap on my Mars Thor - and it's knackered (Lathe hasn't run in 20 years at a guess). The motor that's there is a 19mm shaft 1hp single...
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20th Aug 2014, 03:40 PM
Thread: Band saw Cutting a Car in Half
by Gammaboy- Replies
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I once cut up a car with a jigsaw...
I once cut up a car with a jigsaw...
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4th Aug 2014, 02:15 PM
Thread: How things are designed these days
by Gammaboy- Replies
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Castlemaine Rod shop bellhousing?
Castlemaine Rod shop bellhousing?
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15th Jul 2014, 10:21 AM
Thread: Mars lathe
by Gammaboy- Replies
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Interesting to see the original paint on these...
Interesting to see the original paint on these Mars lathes though.... I really must get stuck into getting mine back up and running.
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15th Jul 2014, 10:15 AM
Thread: Turn from solid or forge?
by Gammaboy- Replies
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Anyone see some humour in Grade 8 bolts on wooden...
Anyone see some humour in Grade 8 bolts on wooden spoked wheels?
Got one of the original bolts handy? How hard is it? -
28th May 2014, 09:33 AM
Thread: Heat and exploding tyres!
by Gammaboy- Replies
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Bulltwaddle.The carbon black loaded into the...
Bulltwaddle.The carbon black loaded into the rubber composition (to help with UV stability) makes the rubber sufficiently conductive that charge cannot be stored. Otherwise, everyones car would build...
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23rd May 2014, 04:33 PM
Thread: Go Kart, Yamaha crank repair
by Gammaboy- Replies
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- 8,599
RAD do the grinding too - I'd give them a buzz as...
RAD do the grinding too - I'd give them a buzz as a one stop shop.
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23rd May 2014, 04:31 PM
Thread: crossslide leadscrew nut
by Gammaboy- Replies
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- 17,670
Well aware of allowing for the wear in the middle...
Well aware of allowing for the wear in the middle - the first lathe i spent any serious time with was a *seriously* flogged out government Hercus - trying to do anything remotely precision with that...
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23rd May 2014, 10:31 AM
Thread: crossslide leadscrew nut
by Gammaboy- Replies
- 35
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- 17,670
Rather than pinching, I guess a spread could be...
Rather than pinching, I guess a spread could be achieved by drilling and running a taper tap in part way, (perpendicular to the nut axis), slitting through the middle of the holes, and then run grub...
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23rd May 2014, 10:22 AM
Thread: Yamaha Go Kart crank rebuild stage 2
by Gammaboy- Replies
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Having had a 4 cylinder press together crank done...
Having had a 4 cylinder press together crank done (and watched the process - was done by a retired guy who for the last 20 years was the go to guy for pressed crank work in QLD), there's no jigging,...
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23rd May 2014, 10:16 AM
Thread: Go Kart, Yamaha crank repair
by Gammaboy- Replies
- 14
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- 8,599
I suspect RAD hard chroming up here in brizzy...
I suspect RAD hard chroming up here in brizzy might be a usefull mob for you - they charge $300ish for a grind back/chrome/grind to final diameter for fork tubes - i suspect they do all manner of...
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22nd May 2014, 01:22 PM
Thread: crossslide leadscrew nut
by Gammaboy- Replies
- 35
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- 17,670
I guess my question was more "is the technique of...
I guess my question was more "is the technique of intentionally missaligning the leadscrew nut a valid technique"?There appears to have been no way to adjust the nut originally.