new crank idea [Design and tech major project]

new crank idea [Design and tech major project]

Post by Andrew Mel » Sat, 26 Jul 2008 21:32:46


heyy guys i was just wondering what the
whole situation with cranks is. ive been thinking
about what i will be designing and making for
my major work in design and tech and was thinking
of making a new unicycle crank. it would be similar to
KH/Onza and Koxx street cranks and in a 125mm length
these would be a street specific crank and would be heavier
toward the hub and lighter at the end to enable faster and easier
flips and spins.

i would greatly appreciate any thoughts on this product
and any additional ideas that you think would be a nice new
feature in unicycle cranks.

and finally how much you would be prepared to pay for a pair
of specially designed cranks made in a limited quantity.

thanks.

Andrew.

--
Andrew Mell
------------------------------------------------------------------------
Andrew Mell's Profile: http://www.unicyclist.com/profile/16280
View this thread: http://www.unicyclist.com/thread/71653

 Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------    
                http://www.usenet.com

 
 
 

new crank idea [Design and tech major project]

Post by caud » Sat, 26 Jul 2008 21:46:14

What material would the cranks be made of? And are they going to be
solid? Is it possible to have thin cranks with some sort of
strengthening exoskeloton for saving weight.

Have you seen the new kris holm cranks that extend past the hub by 3cm
for easier unispins and flatland tricks althoguh they do make
crankrolls harder. That would be a feature you could consider.

It's a good idea to have most of the weight towards the hub and less
towards the pedals but is that possible. Surely it would be too
difficult to take weight off the pedal end without weakening that part
of the crank too much.

I would be prepared to pay 30-40 for some decent cranks but only if
there had been some degree of testing of the cranks.

What crank length had you got in mind and would there be any Q factor.

--
caudy

watch my trials video! http://www.youtube.com/watch?v=-HzPieOwikQ
Sheffield Unicycle Hockey
------------------------------------------------------------------------
caudy's Profile: http://www.unicyclist.com/profile/16580
View this thread: http://www.unicyclist.com/thread/71653

 Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------    
                http://www.usenet.com

 
 
 

new crank idea [Design and tech major project]

Post by Andrew Mel » Sat, 26 Jul 2008 21:54:20

at the moment the cranks would probably be made
out of a steel alloy, which would retain the lightness of
alloy but increase the strength.

and also with the weighting of the cranks i would making
sure that the whole idea would be almost flawless.

the whole crank at the moment is a very vague idea, and
i am asking the direct consumers for their opinions to make sure
as many of the problems faced by the people who will be using
them are being taken into consideration.

also the price would vary depending on the amount of cranks being
produced. As professionally machining the cranks could be extremely
pricey.

--
Andrew Mell
------------------------------------------------------------------------
Andrew Mell's Profile: http://www.unicyclist.com/profile/16280
View this thread: http://www.unicyclist.com/thread/71653

 Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------    
                http://www.usenet.com

 
 
 

new crank idea [Design and tech major project]

Post by Jonny_ » Sat, 26 Jul 2008 22:00:13

They would fit the KH and Nimbus ISIS hub right?
I would think pirice around 70 all depending on what material you
use.
You should also test them by offering a few pairs to some street
riders, like
peleschramm and scrobo also flat riders like Spencer H maby iff they
rode
them hard for a few months and thought they were great i might consider
buying some.

--
Jonny_H

Old account = Wheres_Your_Other_Wheel

New account = Jonny_H
------------------------------------------------------------------------
Jonny_H's Profile: http://www.unicyclist.com/profile/17524
View this thread: http://www.unicyclist.com/thread/71653

 Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------    
                http://www.usenet.com

 
 
 

new crank idea [Design and tech major project]

Post by Andrew Mel » Sat, 26 Jul 2008 22:05:29

yeah they would be designed specifically for the
current hubs in use. ( nimbus/KH isis) and also
baing in Australia they would most likely be tested by
professional Australian riders.

also they would probably not be in production
for quite a while. mainly because they have to be designed,
prototyped, made, tested, and then also used for my schoolwork.

but if they turned out to be a great success im guessing up to
30 or so pairs could be created to order.

:)

--
Andrew Mell
------------------------------------------------------------------------
Andrew Mell's Profile: http://www.unicyclist.com/profile/16280
View this thread: http://www.unicyclist.com/thread/71653

 Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------    
                http://www.usenet.com

 
 
 

new crank idea [Design and tech major project]

Post by Bond » Sat, 26 Jul 2008 23:02:00

Good idea.
Make them a little less....uh....cranky.
especially in the mornings.

--
Bondo

Apply Directly to a Unicycle.

'w00tni|iciou$n3s$Rof1iwins'
(http://tinyurl.com/5fcdr2)
------------------------------------------------------------------------
Bondo's Profile: http://www.unicyclist.com/profile/15716
View this thread: http://www.unicyclist.com/thread/71653

 Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
                http://www.usenet.com

 
 
 

new crank idea [Design and tech major project]

Post by Andrew Mel » Sun, 27 Jul 2008 11:49:31

thanks. :S

haha.

--
Andrew Mell
------------------------------------------------------------------------
Andrew Mell's Profile: http://www.unicyclist.com/profile/16280
View this thread: http://www.unicyclist.com/thread/71653

 Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------    
                http://www.usenet.com