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I know there is often *talk *about a *possible *risk of running a freewheel on the fixed side of a hub, because there is less thread engaged, and so it gets fucked....
...but has anyone in real life ever experienced any negative consequences?
Or even know of someone - mate of a mate, guy in a shop somewhere, etc?
Cheers.
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I know there is often *talk *about a *possible *risk of running a freewheel on the fixed side of a hub.
Is there? Never heard any such talk.
Ask yourself this - why would a freewheel sprocket need more thread over a fixed sprocket. Could it be that you're putting more power in when using a freewheel? Unlikely.
^The fixed thread has a smaller LH threaded part for the lockring taking up half the width, the freewheel side uses the full width available for RH threads.
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Does anyone know where I can get a sheet of bright pink acrylic 30x75cm in London?
These people are probably worth a phone call. http://www.displaydevelopments.co.uk/
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Ask yourself this - why would a freewheel sprocket need more thread over a fixed sprocket.
Fair point. I can't see why they would, I just thought they *had * - so that the total amount of threads was equal on both sides... for ease of manufacture, and to create a symmetrical hub, I guess.
It's more the "overhang" that I thought was the theoretical issue.
When you see pictures like this, it looks as those the total amount of available thread is the same, but on a fixed sprocket part of this is reversed for the lockring.
I've never had a real life one to measure tho.
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I am with Hugo - part of the freewheel thread won't be "engaged" as it were with the threads attached to the hub since it will be overhanging the part that usually has a lock-ring on.
Oz - it isn't that the freewheel NEEDS more thread but it is simply a thicker object than a fixed sprocket. (Presumably it would be equally as wide as the sprocket+lock ring.)
Perhaps it's because you need more width when building a freewheel or perhaps they just made them that wide for symmetry with the width of sprocket+lock-ring.The total thread widths have to be the same otherwise it would bugger up your chain line when you flipped a flip-flop wheel, no?
Nevertheless, it is hardly going to be a world-ending disaster if the thread somehow fails since you would just lose the ability to generate power rather than the ability to stop which is surely more important...
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Does anyone know where I can get a sheet of bright pink acrylic 30x75cm in London?
try Hamar on Bethnal Green Rd
http://www.hamaracrylic.co.uk/ -
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does this look rideable? carbon/23s?
Does this?
With the right 23s and the right approach, it should be fine. -
Well, yes. I can see the ground in that photo. The one I linked to looks more like a bog. I think it's just my crappy laptop though.
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The one I linked to looks more like a bog.
Yes, it's going to be very different depending on the recent weather. If that cart track you posted dries out properly, it will be easy. If it's properly wet and muddy, you'll end up walking if you take a road bike.
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so it may not be fine.
hmm.will take a different route.
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does this look rideable? carbon/23s?
Too contrasty photo.
Further down it looks pretty decent (at least on a dry day): -
so it may not be fine.
hmm.will take a different route.
+1 to what MDCC said.
That road should be fine most of the time but if there was heavy rain it could be a bit of a challenge.
Having said that, I did a fair few miles on tracks like that during heavy rain and sleet last winter on 23mm tyres with not too many problems. I had a few front wheel skids when it got really sticky but I soon got used to riding on that kind of surface.
In a nutshell, in my view, I'd plan to ride it but have a plan B should you be unlucky with conditions.
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Because you can synthesise hydrogen cyanide with Nitrogen, Ammonia, Platinum and a furnace.
To make potassium cyanide (easily) you'd need to process hydrogen cyanide or formamide which would be a very high risk thing to do at home.
Don't let stonehedge deter you. Give it a go, preferably while drunk.
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