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Me And My Dad Were Having A Debate.


Josh   Greenan!!!!!!!!!!

Wheels  

90 members have voted

  1. 1. If i was gapping onto a rail which wheel will be easyer to land on?

    • 20"
      17
    • 26"
      55
    • They would both be the same.
      18


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I'd say 20".

Because the tyres are super fat, so they wrap around the rail.

Saying that, it could depend on the pressure, if you have say.. 60psi, you'd just bouce off the rail.

If you ran like 15psi, the tyre would wrap around it.

Is that not irrelevant though as we're talking about diameter not width. I doubt width would make much difference (also you can get 26" tyres in 2.5")

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Surely its all in the mind..........

it may seem harder gapping to a rail on a mod but thats just a mental thing,

if you think about it you have exactly the same amount of tyre contact on the rail,

infact you could say that the fact mods tend to have a larger rear tyre volume that it could be easier :ermm:

......................at this point i would like to state that i have never gapped to a rail on a mod :P

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Its not about surface area!!!!!!

Like as has been said before imagina a skateboard wheel, then imagine your wheel. Which would you rather gap to a rail with???

Between 26 and 20 though I dont think you would notice much of a difference.

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Ok, for those that are still slightly too retarded to understand, here's an easy practical exercise you can try for yourself.

All you need is -

A marble (or any small ball / stone)

A beach ball (or any large ball)

A small static target (rail / post / sleeping dad's slaphead)

Ok, now stand a few paces away for the target. Try and hit the target with each ball. Which sized ball is it easier with???

Now make like an emo and hang your head in shame and sit in a dark room.

Andy P

Edited by Andy P
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Jesus i wish my parents gave a shit about my hobby . .

I would say it would be just down to tyre/ width of rim, a 26" wheel wont get any more surface area on the rail than the 20", just depends which is the widest.

usually moddage so ill go for that (Y)

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hitting the rail will be easier on a 26" because the smaller the circumference of the rim the greater the angle of the rim when it hits the rail and the greater chance of slippage.

but surely staying on the rail has a lot to do with the depth/ volume of the tyre as it wraps around and grips to the rail on impact, a deeper wider tyre will have a greater wrap around and therefore more grip.

makes sense in my head! :rolleyes:

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but the only diffrence is, on a 26" you can it the rail on any part of the rim

So why did you vote both the same if there's a difference?

Ok, for those that are still slightly too retarded to understand, here's an easy practical exercise you can try for yourself.

All you need is -

A marble (or any small ball / stone)

A beach ball (or any large ball)

A small static target (rail / post / sleeping dad's slaphead)

Ok, now stand a few paces away for the target. Try and hit the target with each ball. Which sized ball is it easier with???

Now make like an emo and hang your head in shame and sit in a dark room.

Andy P

Nicely excicuted. (Y)

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The firth borthers explain it pretty well at the end of TM1, with quite a few examples of how NOT to do it.

Erm, I would of course say 26", but not just for the diameter. Generally 20" riders run lower pressures and on a rail their tyres will rim out a lot easier, creating a lot of bounce and becoming more unstable. 26" riders will often have slightly higher pressures and nonetheless have more volume of tube for the air to travel around when it is compressed by the impact of landing on the rail. Make sense? Nah it doesn't to me either...

Rich

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