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Thread: How I make my Tractor wheels
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13th August 2016, 09:25 PM #16
Hi Kryn, If you just "borrowed" the gears it shouldn't be a major issue for me (famous last words). I have access to a laser engraver/cutter (long story) and should be able to cut gears out of perspex on demand (just a bit of designing in SketchUp) for use or as a replacement.
Thanks in advance,
Alex
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13th August 2016 09:25 PM # ADSGoogle Adsense Advertisement
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14th August 2016, 09:21 PM #17
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14th August 2016, 11:22 PM #18GOLD MEMBER
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Thanks Peter Anyone with a Pen Wizard, please feel free to use this, Care and Share
Alex, unfortunately the borrowed gears will have to be replaced, as they're used and modified.
Beall supplied the replacement gearing to put back into the kit, in case you're wondering where to get spares from, also used a 7 mm tube from the pen kits.
Showing both sides of the 60t and 22t and how they were connected, 7mm drilled and the 7mm pen tube fitted, these were then drilled and pinned as Superglue doesn't work on these.
Drilling these out required real care as the drill could go to the centre of the "D" bore, making them slightly off centre.
Front Rear
Modgear1.jpgModgear2.jpg
First on goes the 60/12
gearplace1.jpg
Next another 60/12
gearplace2.jpg
Then the modified 60/22
gear4.jpg
Finally the 50 is connected to the driven shaft.
Finalgear.jpg
2 spacers approx 12mm (1/2") long with a 1/4" bore, will be required to help support the shafts.
2 spacers were also made approx 45 mm long X 13 OD X 1/4" ID. These go on the shaft that holds the wheel to be cut, one either side, this allows for a 45 mm wheel, std pen bushes are ideal to allow for 32 mm wheels.
When it's all assembled, measure the centre of the wheel, and set the stop for it, doing a non powered run to check.
Once you've done one side, the fun begins. Doing the opposite side, I turn the wheel around and put the PW in reverse, the tricky part is getting the end of the cut to line up.I again do a non powered run to check that all is OK, adjustment can be made by rotating the wheel slightly to get it correct.
Make sure that all the rubber "O" rings are in good condition, I ended up replacing them with "E" clips.
DO NOT run the PW in reverse with the router running as it will widen the groove. I used 3/16 veining bits (T306) or 1/4" coving bit (T408) from Carbitool for the cutters, and each wheel has 24 treads, the number of holes in the disc.
Any questions, please ask here as I'm sure others would like to know also.
Hope this helps.
Regards
KrynTo grow old is mandatory, growing up is optional.
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15th August 2016, 04:34 AM #19
Hi Kryn, Thanks for the detailed info, greatly appreciated. I haven't tried your configuration as yet, as I'm still trying to scrape those layers of dust off the Wizzard, however, I did try and cut some gears as proof of concept. Had some fun and games until I realised I was measuring a 50TPI gear for use as the 60TPI diameter. Once corrected, suddenly everything meshed (lirterally).
This is my attempt and the acrylic gears should readily hold hands using some CA for persuasion. Alternatively I could cut some matching holes for a/some alignment pin(s) if there is too much pressure for the CA.
P8154081.jpgP8154082.jpg
The laser makes the centre hole a simple procedure. The only problem with the gears were that they are transparent and once I put them down in the workshop it took me about 1/2 hour to find them. I should cut them out of coloured acrylic.
If you have the need for extra gears all you need to do is ask... worst I could do is say no but you'd have to catch me on a really bad day for that. I may charge for the cost of the acrylic (depending on requirement), several smallish gears (around the 60mm dia.) is not an issue, however, large requirements would exhaust my supply and replacement is expensive.
Alternatively if you or any other thrillseeker are interested in scrolling some gears yourselves, this link would be a good start and worth the few shekels for what it can generate.
Do you have any pictues of treads you have created and any chance of a few sly photos in making?
Alex
PS. FYI. I used SketchUp an Corel Draw to create my gears.
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15th August 2016, 10:05 AM #20GOLD MEMBER
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Hi Alex,
My pleasure to help out, The CA will be plenty strong enough for the perspex gears, the only reason I pinned mine was that CA didn't stick.
Have you forgotten the Golden Rule, measure twice cut once. Don't worry even measuring 2-3 times, I still do it wrong. Even if they're not clear, I have trouble like that, put something down, and the gremlins hide it from me. I did make a new top for the laminate trimmer/PW mounting, as I found it a bit on the small side, can take a pic of that also if needed along with the spacer blocks.
Do you have any pictues of treads you have created and any chance of a few sly photos in making?
Shees, where's your spirit of adventure,. For a pic of a finished wheel look up Crowie's Monster Trucks. Will get some pics of a wheel later today when I get back from doing the bus run, I volunteer at a local Day Centre 2 days a week all day and 3 days every 3rd week. The 3rd day is in the morning and afternoon picking up and dropping off clients.
Regards
KrynTo grow old is mandatory, growing up is optional.
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15th August 2016, 01:52 PM #21
Everyone keeps telling me that using my left index finger with the thumb's nail as the marker is not an accurate way of measuring (especially for items over 1 meter).
I must have missed the association (you are you a crow eater aren't you?). I asked for pickies as I am in the middle of a build (that keeps fighting back) and I would probably forget all after the build, when I eventually get
around to it.jpg
playing with wheels and the PW (if I can get my head around the concept). I just momentarily zipped off on a tangent to try the gears to give you some quick feedback and to provide additional info for other interested parties.
I still have one of these as well, on my to do list when I finish the current build.
I probably have all the tools to come up with some interesting designs using the PW and customised gears, but unfortunately I don't have the technical expertise.
Damn... lost the gears again...
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15th August 2016, 02:39 PM #22
This should help you see Kryn's Monster Wheels, Alex.............
This should help you see Kryn's Monster Wheels, Alex.............
Crowie's "Peterbilt" "Ford Monster Truck" with Monster Wheels by Kryn.....
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15th August 2016, 04:33 PM #23
Cool!
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15th August 2016, 08:24 PM #24GOLD MEMBER
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Originally Posted by Alexkara;1969961
I must have missed the association (you are you a [B
The only association I know of, is that I supplied Peter (Crowie) with the wheels for his trucks, and yes I'm a crow eater but not a supporter of aerial ping pong, if I had my way it would be banned off the idiot box.
I have a bad habit of seeing something or an idea on the comp then forget where I saw it.
You're able to laser cut gears, so you have more technical expertise than I would ever have, my expertise comes from T&E (Trial and Error) I have enough trouble using a laptop, but can use Autocad for my design work.
Maybe you need to paint the gears an iridescent colour, so that it won't get lost on the bench.
I have an unusual pen blank, made on the Wizard, will post it when I've cast the resin to finish it. It'll "screw" the brain..
KrynTo grow old is mandatory, growing up is optional.
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15th August 2016, 08:59 PM #25
You can be forgiven for your origin, but patronising with those NSW's... there is a limit!
... laser cut gears, so you have more technical expertise than I would ever have, my expertise comes from T&E (Trial and Error)...
... paint the gears an iridescent colour, so that it won't get lost...
... but can use Autocad for my design work...
I have an unusual pen blank, made on the Wizard, will post it when I've cast the resin to finish it. It'll "screw" the brain..
Kryn
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16th August 2016, 12:49 AM #26GOLD MEMBER
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