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With a chain that slack, I can see why. Is it fixed or freewheel? If it’s free, I’d add a tensioner. If it’s fixed you need a more magic magic ratio.
Whoosh
Ah, I hadn't spotted that it has to be fixed.
Not quite Rik!
Not quite Rik!
I'm enjoying the confusion in my head or is it a special hub?
Special hub, then modified.
TBF Tired has a point, but he may also have missed one.
Chain on the left?
The Chainring on the non drive side!!
The Chainring on the non drive side!!
If the whole drive train is on the non drive side, is it really a non drive side at all?
#bikephilosophy
So you can do grinds 😀 ?
Has anyone started a sweep on how far he gets before the pedals unscrew?
Slack chain cannot be unseen.
Care for a bet, druid?
Don't you understand how it works?
I assumed you had some mirror custom logos. Prove otherwise. 😉
And that chain is too slack.
taken with a front facing phone camera
just noticed the logos. I'll go with built by an idiot
You are the new Doctor and it's a parallel universe where the NDS crank doesn't line up with the DS crank? (might be the photo) and valves/tyres definitely don't line up. The chain is too chunky and you need a new chainring with fewer worn teeth 🙂
Yeah I get the chain slack is sub-optimal. I wasn't expecting so much focus on the negative (no, I'm not new here).
I’ll go with built by an idiot
Who pedals backwards?
Chain slack is worse than sub optimal.
I saw the aftermath of a slack chain scenario once....
Don't you work in a bike shop?
The 3/16 chain is jumping off nothing Merak, and it was only a test spin to the shop. I will get it sorted before any proper ride lest I offend the STW Gods of perfection.
Anyways here's another pic. Is it left hand? Or have a carefully photoshopped logos, or bought a mirror image jacket logo and watch?
Chainslack still there for give the perfectionists something to feel superior about - no need to thank me 😂
So you pedal backwards and go forwards, or is it a bike designed for going backwards?
Whatever the answer ... why?
I wasn’t expecting so much focus on the negative
I’d like to focus on the positives but I’m struggling to identify them 🙂
If you need to ask why then I can't explain!
World is never ready for the pioneer.
Why can't you explain? What's pioneering about it? It's not like left-hand drive bikes don't already exist.
I mean, you do realise all we can see is a picture of a bike with a left-hand drive train (albeit with right-hand drive cranks), right? Going on that picture alone, it might be uncommon, but nothing more.
Maybe you could try to explain 🙂
Soooooo serious!
It's a laugh! Nothing more.
Uncommon...or unique? (among non-bmx's).
Not serious, I just thought you were alluding to there being more to it than met the eye. I could only see two possible "why"s: 1. for the hell of it, and 2. trolling. That's not a criticism, I'm not averse to a bit of either 🙂
And no, it's not just BMXs. It was briefly a thing in track: going anticlockwise round turns means a left hand drivetrain passes through less air hence people tried it looking for an aerodynamic advantage. And I'm sure over the years there will have been plenty of Men In Sheds to whom the perfectly reasonable Why No. 1 above applies 😉
Needs more spoons
Anyway, is it free or fixed?
If the former, maybe you could employ a spoon in some sort of home-made chain tensioning device. And if the latter, maybe you could save the spoon for eating soup out of once the chain's come unshipped at an inopportune moment 😉
precession.
IT WASN'T A SPOON 😀
It's free, I didn't look at fixed as that is just stupid :D. The hub is (home-made) eccentric, so I will get the tension OK.
Precession has been taken care of (nice to see I have got some people thinking).
Did you use a set of tandem cranks. Front captain and rear stroker by any chance to avoid pedals unscrewing. Only one crank on a tandem with cross drive is standard. And a flip flop hub with lock ring to prevent unscrewing would have no downsides. Dual sided drives are almost a hundred years old.
And there is a twin gear set up that allows one gear for pedalling forward and a lower gear if you pedal backwards. It never caught on but is a lovely oddity.
https://en.m.wikipedia.org/wiki/Retro-direct
std cranks and pedals but adapted to prevent precession: after swapping the pedal bodies on the spindles, I ground a slot into the spindle (at the thread) where there would be plenty metal once installed on the crank. Then drilled a hole into the crank to align with the slot in the spindle, which I threaded and put a bolt in.