Free Floating Axles
I am curious why nobody is using free floating axles in Downhill skateboard? apart from the price if they were light enough surely they would be of some benefit. Above 80k's you can hear the axles kick in and start spinning surely some of you are hitting those speeds. Also there are now guys producing lighter weight models. Has anyone ever tried them stand up and what were the results
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Replies to This Discussion
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Premium MemberPermalink Reply by sean meaney on -
i saw a guy on randal comps at newtons doing stand up, i am courious myself, what other trucks are doing free floating axles besides randal though?
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Premium MemberPermalink Reply by Jacko on -
coz we dont need em... and there are much better trucks
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Premium MemberPermalink Reply by Owen on -
your tuck restricts your speed much more then bearings and wheels and such
was hitting over 90ks a few weeks ago with old rusted out bearings with coned wheels at the snowies.
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Permalink Reply by Phill C on
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There is an american guy who posted up some CNC free floating axles 200mm trucks from Speed Mechanics.
http://www.speedmechanics.net. (haven't checked this link)
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Permalink Reply by Brad NS on
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top end speed is the same , the only time i feel any difference is on very small inclines or flat 20km/h where they seem to roll for a bit longer but this could be the extra wieght ?? i like them cause they are beefier than R2 with a better bushing seat making them feel very stable .. Mian advantage over stock cast trucks is easy to fix bent axles !!!
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Premium MemberPermalink Reply by sidecar nic on -
since we're on the subject - has anyone considered thrust bearings instead of floating axles?
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Premium MemberPermalink Reply by sean meaney on -
can you explain what they are, the name makes them sound interesting already
the Demon said:since we're on the subject - has anyone considered thrust bearings instead of floating axles?
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Premium MemberPermalink Reply by sidecar nic on -
its a small flat bearing that would stop your wheel binding on your hangar during cornering. Think of a speed ring on steroids :)
check out the description given here
I've looked into it but can't find any under 4mm thick and haven't found a suitable truck with enough axle length to accommodate
sean meaney said:can you explain what they are, the name makes them sound interesting already
the Demon said:since we're on the subject - has anyone considered thrust bearings instead of floating axles?
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Premium MemberPermalink Reply by Owen on -
the problem with a thrust bearing in this case is that constant axial loads need to be placed on them to work well and they wont allow for radial loads at all, as soon as you stand or sit on your board you will start to brunell your racers and create alignment issues and when you start sliding you will unload one set of them and they will start to fall apart.
you'd be much better off with an angular contact ball bearing, as this will allow for both axial and radial loads, but you can only install them apposed, either face to face or back to back. in our situation back to back is better but the chance of someone screwing it up is far to great, so deep groove ball bearings are the go, they are cheap can be installed any way and they will work more or less and will take enough of an axial load with out falling apart straight away.
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Premium MemberPermalink Reply by pete hill on -
bloody hell browen, been to uni have we?
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Premium MemberPermalink Reply by Owen on -
I'm doing engineering design at the moment, looking at interning next year with a design firm so I can do it even better, need to push myself more though.
that speed machines site is good, the hangers seem really well made all those rounded edges make the truks lighter and stronger.
but you guys just wait till I get some of my designs made next year, been working on something that should be damn near unbreakable.
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Premium MemberPermalink Reply by Grits on -
mollenium trucks had thrust bearings....
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