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New 24"/29"/36" Frame and Handle unit i made.
Hey, i made this for a school project and thought i may as well share it here. its basically a unicycle frame, but the legs are telescopic so you can adjust the height to suit anything from a 24" through to a 36" wheel. The seatpost was welded straight on due to not enough time to weld on a seatpost tube etc etc, but it would have been much nicer to have an adjustable seat height aswell. the frame is fairly good at what it does. its not the best piece of equipment in the world but it does the job. and yes, there are MANY fundamental flaws. The frame is basically completely useless because to switch between wheels youd need another wheel which you would probably already have a frame for anyway. if you have it set on 36" height its perfect, but if you move it down to 24" height, the seat is way too low and you cant move it up without moving the frame up, which is then defeating the purpose of having the telescopic legs. Just thougth i'd post a pic of it here, might interest somebody. +-------------------------------------------------------------------+ |Filename: Copy of Image033.jpg | |Download: http://www.unicyclist.com/attachment/21873 | +-------------------------------------------------------------------+ -- iridemymuni maker of the happy birthday threads ive got: John Childs, Klaas Bill, Kris Holm, Samia, Harper, Bryan Stevens, Wobbling bear, Mike Swarbrick, Cathwoood, Scott Wallis, Mikefule, Raphael (jjuggle), James Potter, ITEMNO530, DogBowl, Yoopers, Habbywall, Terry and Jagur. ------------------------------------------------------------------------ iridemymuni's Profile: http://www.unicyclist.com/profile/11900 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
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#2
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New 24"/29"/36" Frame and Handle unit i made.
how many flaws are there? i take it there are a few.... one being you have to wack it with a hammer to change the length of the frame. the switch between 100mm spacing and 120mm spacing for the bearings. no seat post to adjust. is that it? -- tomtrevor 01010100 01101111 01101101 00100000 0101010001110010 01100101 01110110 01101111 01110010 'g' (http://www.google.com.au/)'o' (http://www.google.com.br/)'o' (http://www.google.co.uk/)'g' (http://www.google.com.ni/)'l' (http://www.google.to/)'i' (http://www.google.ch/)'n' (http://www.google.com.mt/)'g' (http://www.google.com.na/)'s' (http://www.google.rw/)'!' (http://www.google.com.do/) .....'t' (http://mediahug.com/bikes/?page_id=26)'o' (http://en.wikipedia.org/wiki/Sliced_bread)'m' (http://www.funnyjunk.com/)''s' (http://www.freelineskates.com/) 'R' (http://www.tlb.org/Park-all.lowbw.mpg)'a' (http://www.burntfaceman.com/)'n' (http://www.adcott.net/binary/)'d' (http://tinyurl.com/c1as)'o' (http://www.cheese.com)'m' (http://www.coverpop.com/whitney/index.php?var=v0) 'L' (http://www.mediahug.com/bikes/)'i' (http://www.virtualgravy.com/)'n' (http://www.mediahug.com/almax/)'k' (http://www.cheaphumor.com/)'a' (http://www.bakedbeans.com)'g' (http://www.joecartoon.com/)'e' (http://kevan.org/brain.cgi?tom%20trevor)'s' (http://www.break.com/) ------------------------------------------------------------------------ tomtrevor's Profile: http://www.unicyclist.com/profile/12118 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
#3
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New 24"/29"/36" Frame and Handle unit i made.
tomtrevor wrote: how many flaws are there? i take it there are a few.... one being you have to wack it with a hammer to change the length of the frame. the switch between 100mm spacing and 120mm spacing for the bearings. no seat post to adjust. is that it? no, there are more. the bolts to clamp the wheel in catch your pants the handlebar grips dont go on nicely. but oh well. -- iridemymuni maker of the happy birthday threads ive got: John Childs, Klaas Bill, Kris Holm, Samia, Harper, Bryan Stevens, Wobbling bear, Mike Swarbrick, Cathwoood, Scott Wallis, Mikefule, Raphael (jjuggle), James Potter, ITEMNO530, DogBowl, Yoopers, Habbywall, Terry and Jagur. ------------------------------------------------------------------------ iridemymuni's Profile: http://www.unicyclist.com/profile/11900 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
#4
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New 24"/29"/36" Frame and Handle unit i made.
Gotta love the twin downtube designs! -- unisk8r ------------------------------------------------------------------------ unisk8r's Profile: http://www.unicyclist.com/profile/4660 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
#5
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New 24"/29"/36" Frame and Handle unit i made.
iridemymuni wrote: no, there are more. the bolts to clamp the wheel in catch your pants the handlebar grips dont go on nicely. but oh well. I think it's a work of art Owen. Nice job btw for doing a telescopic frame. -- Hazmat I'M 1 WEIRD AND UNUSUAL GREEK CYPRIOT AUSTRALIAN WHO IS DESTINED TO BE DIFFERENT. **Please vote. *'The Hazmat Poll' (http://www.unicyclist.com/forums/showthread.php?t=59458)' Hazmats unicycle Design/Creation competition' (http://www.unicyclist.com/forums/sho....php?t=62030)* ------------------------------------------------------------------------ Hazmat's Profile: http://www.unicyclist.com/profile/13828 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
#6
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New 24"/29"/36" Frame and Handle unit i made.
I see potential. There are times that you want to change wheel sizes and carting around a spare wheel occupies less space than a spare unicycle. The idea is sound. If you can make it so that: - The telescopic action is smooth and doesn't need hammering. - The wheel is easy to replace. Is there such a thing as a quick-release uni wheel?! - Handlebar needs to be detachable. Who uses one on a 24"? - Adjustable seat height (obviously) - Change the relationship between the hub, crankset and frame. Ideally, the cranks would form part of the frame and wouldn't need changing. I really don't know how you'd do this but I reckon it would make it more viable. I'd get a 36" to commute to work on but-for 2 very steep hill sections that I doubt I'd be able to cope with on such a big wheel. Imagine there were a backpack designed to hold a wheel of various sizes up to 36". I ride along on my 36" until I reach the steep stretch, then inside of a minute I've dismounted, adjusted the frame and seat height, swapped my wheel and stowed the 36" on my back. Away I go on a 24" or 29" to get up the hill and repeat at the top. The other benefit is that by developing easy removal of parts, you could make it worth while to store the uni in dismantled form and potentially making more efficient use of storage space. It's a limited market, but it could be fun to develop. -- mattsmith ------------------------------------------------------------------------ mattsmith's Profile: http://www.unicyclist.com/profile/14586 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
#7
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New 24"/29"/36" Frame and Handle unit i made.
there are 'quick release bearing clamps' (http://www.unicyclist.com/forums/showthread.php?t=37414) available, just pm Jim_Rob and he'll be able to help you out. [image: http://www.unicyclist.com/forums/att...=11512650 70] -- zfreak220 Nimbus ISIS street fund: $371.71/$417.23 ------------------------------------------------------------------------ zfreak220's Profile: http://www.unicyclist.com/profile/11948 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
#8
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New 24"/29"/36" Frame and Handle unit i made.
mattsmith wrote: I'd get a 36" to commute to work on but-for 2 very steep hill sections that I doubt I'd be able to cope with on such a big wheel. Imagine there were a backpack designed to hold a wheel of various sizes up to 36". I ride along on my 36" until I reach the steep stretch, then inside of a minute I've dismounted, adjusted the frame and seat height, swapped my wheel and stowed the 36" on my back. Away I go on a 24" or 29" to get up the hill and repeat at the top. The other benefit is that by developing easy removal of parts, you could make it worth while to store the uni in dismantled form and potentially making more efficient use of storage space. It's a limited market, but it could be fun to develop. I can't imagine myself having too much fun changing wheels on the go and riding up hills with a 36" wheel attached to my back. -- Chexjc www.myspace.com/thelostguitarist AIM: Guitardude88 http://www.youtube.com/profile?user=JasonCheckla Brian O. wrote: brendan wrote: when i flex both arms one looks puny next to the other. Mind you it was that way after years of badminton... And maybe playing a little too much with the shuttlecock as well? Hmm? ------------------------------------------------------------------------ Chexjc's Profile: http://www.unicyclist.com/profile/13511 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
#9
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New 24"/29"/36" Frame and Handle unit i made.
Chexjc wrote: I can't imagine myself having too much fun changing wheels on the go and riding up hills with a 36" wheel attached to my back. It'll be all the fashion before you know it The wind resistance will be a killer though. -- mattsmith ------------------------------------------------------------------------ mattsmith's Profile: http://www.unicyclist.com/profile/14586 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
#10
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New 24"/29"/36" Frame and Handle unit i made.
mattsmith wrote: It'll be all the fashion before you know it The wind resistance will be a killer though. Yeah i remember reading somewhere a while ago about when the 'UDC 36\" Unicycle' (http://www.unicycle.au.com/images/shop/udc36.jpg) was going to come out and people were replying with "what a useless machine, it will never take off" and "I wouldn't buy it, it's hideous." The weird thing is, i stay remember those phrases. But now look, people are riding cokers and so forth. So Owen's idea may well go into mass production someday and i can't wait till that day comes. -- Hazmat I'M 1 WEIRD AND UNUSUAL GREEK CYPRIOT AUSTRALIAN WHO IS DESTINED TO BE DIFFERENT. **Please vote. *'The Hazmat Poll' (http://www.unicyclist.com/forums/showthread.php?t=59458)' Hazmats unicycle Design/Creation competition' (http://www.unicyclist.com/forums/sho....php?t=62030)* ------------------------------------------------------------------------ Hazmat's Profile: http://www.unicyclist.com/profile/13828 View this thread: http://www.unicyclist.com/thread/63742 Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- http://www.usenet.com |
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