downhill wheels
after just realising that drifting hairpins wrecks your wheels i was wondering if anyone has any old flywheels pref 80a and above will trade have some excess slalom and pool gear
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Replies to This Discussion
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Premium MemberPermalink Reply by Jacko on -
just use your excess slalom wheels or your old downhill wheels to smash around
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Permalink Reply by Guff on
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thats what ive been doing but they sometimes hook up real quick mid corner and pitch me off .Would rounding the edges off some 70mm 83a zig zags give me a more predictable drift??
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Premium MemberPermalink Reply by Jacko on -
definately... trim down about 2mm of the outside edge and slightly round the inside edge.... otherwise just keep sliding em untill they are nicely broken in
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Permalink Reply by Ben on
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g'day guff...
silverfish has seen an increase in popularity of "shaved" and "lipped" wheels in the last two years or so...so i went digging and found the resource guide written by a trusted rider ( and fellow DHR rider, but don't hold that against him.)
so, hope this helps.
Here is a step by step guide on how to trim the lips on your wheels. each description will be accompanied by a photo. the photos that i have taken are ones from trimming an outer lip on a 3dm avalon. do trim the outer lip, just flip the wheel over.
Materials: One handheld grinder, a small vise, a spot to mount the vise, an old hanger, a marker, a ruler, two bad bearings, an axle nut, and a 1/2" wrench. don't forget your ear plugs, a respirtator(you don't want to breathe this stuff ) and goggles.
Step 1. Find an old crappy hanger or a hanger from a Randal. If you have an old one you don't care about, cut off the "ring" area where the kingpin goes through. (this would be on a shortboard style truck). If you find a randal, you are already one step closer. Take the hanger and tighten it down in a vise with the wheel sticking up so when you look down at it you are seeing the bearing. Before you mount the wheel. find two old bearings. Don't worry about speed rings or spacers, you don't need them. tighten down the nut so the wheel has minimal flop and only slight resistance. this is so the rorating grinder will spin the wheel while it is shaving the lip.
Step 2. now that the wheel is mounted, pick up your ruler and the marker. measure down from the lip as far as you want to trim, mark that with a color that stands out a lot. one my white wheel, i used red. you know you are done trimming when the mark is no longer there, so make the lowest point on the mark the total distance you want to trim.
Step 3. You have to have your grinder at the correct angle or the point of this whole process will be destroyed. do not hold your grinder like this:
you want your grinder the be flat on the top of the wheel with only a little bit of the grinder over the lip. having the lip under the center of the grinder may chunk and destroy your lip. this picture is what you want to do:
Step 4. Now that you have everything ready, put on your safety gear and go grind! make sure to do it outside because there will be particles going everything and it sticks to things. if you can't go outside, do this in an area with a vacuum to suck up the particles. Don't try to grind the whole amount at once. stop every few seconds so the wheel doesn't heat up. if the wheel heats up the particles start to get stringy and the overall job becomes very messy. Once you start approaching you mark, start grinding at smaller intervals so you don't over trim. Once you hit the mark, your done! well, almost.
Step 5. Now that your wheels are done, clean your equipment. Also, i would suggest taking a shower, you can never be too careful.
Now go ride those puppies!
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okay so first was how to trip on outer lip...this is how to radius an outer lip...i just thought it would be good to have this info here: someone might want to know and its here already! anyway...
Things you will need:
- bench grinder
- hanger
- wheel(s)
- old bearings
- good bearing spacers & speed rings (and an axle nut of course!)
Optional but recommended:
- dust mask
Starting off, place the wheel on the hanger as you normally would, making sure everything is properly aligned and the axle nut is cranked down tight securing everything in position. If the axle nut is not cranked down, the wheel will probably be able to wiggle around a bit on the axle which will result in oscillations at a high RPM.
With just a slight amount of pressure pulling the inner lip of the wheel against the grinder, grind about a 45-degree angle along the circumference of the lip. This step is to determine the radius of the modification; the more you grind off, the larger radius you're going to have.
Next, start to round it off. Rock the lip back and fourth against the grinder, applying light pressure while doing so.
Now, as far as radiusing the outer lip goes, I would recommend that you flip the wheel and repeat the process. Proceeding to radius the outer lip without flipping it is rather unstable and difficult; your control over the wheel is greatly reduced and chances are it will jump around a lot.
hope that helps.
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Premium MemberPermalink Reply by Jacko on -
screw that man just go skate em and round em out the old fashioned way
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sure, but this is way faster...30 with a grinder and your done...ready for drifting...
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