Geared 36 accident

mmm That makes me think that I should perhaps buy one of those new rims,
lighter than my current airfoil and the proper size.

I had my TA pop off my rim the first time I rode it. Not something you
want to happen after spending $1000 on a unicycle.

Glad you are OK. 17mph is plenty fast.

I think you just convinced me to spend the extra $100 to get a new rim
if I end up getting a geared hub. The Airfoil shall be relegated to
Coker MUni.

--
saskatchewanian

phlegm said:

The best way to overcome a mental block is to do a mental rolling hop
over it. :p

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Glad to hear that you didn't bail to bad. I'm not sure if it is more
reassuring that it was your equipments fault- and not your own skill. I
had my first genuine UPD at speed on my N36 this morning. Was on a long
gentle downhill section and my cadence got a little out of control- i
came off when i hit a bit of a lump in the road and lost my left foot
from the pedal. It was strange because i managed to do the one footer
thing for a few revs but as i tried to get it back on i came off for
good. The possibility of crashing off a G36r makes me shudder though.

saskatchewanian- are you planing on using the KH/ISIS or first
production shlumpf geared hub for your G36r?

Keep riding, keep safe (no land speed record attempts please!)
mark

--
napalm

you wont do it...your SCARED!
"We are all racing towards death. No matter how many great,
intellectual conclusionswe draw during our lives, we know they are only
man made, like God"
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Are you sure it's not the bead or casing that's broken? Or did it just
pop off the rim for no reason?

There were a bunch of Coker tyres that seemed to have some trouble with
bad casings or beads. I think the TA tyre might be made in the same
factory.

I had a couple of beads and casings break on the Coker tyre. Two were
from using Tubeless and I think one from using a tube. I'm using the
1st generation airfoil which I believe is actually bigger than the
current bunch of airfoils. It's hard to get on and hard to get off.

Ken

--
GizmoDuck

The Uninam Tour 2008.....Hanoi to Saigon!!! www.uninam.net

The Monguni 2009....Unicycle Tour of Mongolia

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GizmoDuck said:

Are you sure it's not the bead or casing that's broken? Or did it just
pop off the rim for no reason?

There were a bunch of Coker tyres that seemed to have some trouble with
bad casings or beads. I think the TA tyre might be made in the same
factory.

I had a couple of beads and casings break on the Coker tyre. Two were
from using Tubeless and I think one from using a tube. I'm using the
1st generation airfoil which I believe is actually bigger than the
current bunch of airfoils. It's hard to get on and hard to get off.

Ken

I just figured it was from the over inflation. Not just the tire came
off the rim but the tube popped and has a tear in it about 8" long
I know my non geared 36 has the good airfoil rim but the geared 36 is
only about 4-5 months old so maybe it has something to do with the rim.

--
Daytripper63

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napalm said:

saskatchewanian- are you planing on using the KH/ISIS or first
production shlumpf geared hub for your G36r?

Sorry for the mini-threadjack but I am going to wait for the 2008
"regular" hubs to become available. I plan to put it in a 26" wheel
until I feel comfortable with shifting etc then move it to a 36.
Hopefully I will be fully comfortable with it by RTL.

Edit: daytripper, I would be willing to bet that you got a rim from the
undersized batch. I know I did and I got mine last april.

--
saskatchewanian

phlegm said:

The best way to overcome a mental block is to do a mental rolling hop
over it. :p

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Does this mean I'm stupid if I run my TA tire / Airfoil rim combo at 70
PSI and plan on getting a geared ISIS hub as a dropin replacement for
my current hub?

I've run my tire at 50 PSI for three months, and over the past two
weeks, have started putting 70 in it after trying 55 and 60 and
concluding, ah, what the hecks, may as well try for the 70.

Let me say, though, the TA tire feels AMAZING at 70PSI. So smooth and
hard, like my 23c road bike tires at 120, almost. I think a gear and 70
PSI tire will be amazing... I'd just hate to blow out at 25 miles an
hour (about like 17 or 18 on an ungeared if you comp up for
controllability a little bit) or something obscene like that.

--
chuckaeronut

Cycling: It doesn't get easier; you just get faster.
Unicycling: It doesn't get easier; you just do tougher stuff.
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Wow, I run my tire at a little over half that. I never go over 40psi.

--
siafirede

'DCuni' (http://www.dcuni.com/blog) - my blog about Unicycling in
Washington DC, Virginia, Maryland

James = my name
'This' (http://www.myspace.com/clawsout) = my myspace
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saskatchewanian said:

Sorry for the mini-threadjack but I am going to wait for the 2008
"regular" hubs to become available. I plan to put it in a 26" wheel
until I feel comfortable with shifting etc then move it to a 36.
Hopefully I will be fully comfortable with it by RTL.

Edit: daytripper, I would be willing to bet that you got a rim from the
undersized batch. I know I did and I got mine last april.

That sounds like a waste of a wheel build! Just put it in the 36 from
the start! While practicing shifting just practice at a slow speed and
you will be fine.

--
siafirede

'DCuni' (http://www.dcuni.com/blog) - my blog about Unicycling in
Washington DC, Virginia, Maryland

James = my name
'This' (http://www.myspace.com/clawsout) = my myspace
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Do you have enough time for that? Any word on when the new "road" hub is
coming out?

I'd just put it on the 36er and be done with it (if that's why you're
planning on using for RTL).

To get back on topic. There was a rash of this same phenomenon
happening last year, and I believe the UDC response was that this was
due to a batch of bad tubes. Do you have the "x" rim? ....I still don't
quite trust those.

edit: I run my non-"x" wheel at 50 psi, and the "x" wheel at 40-45 psi.

saskatchewanian said:

Sorry for the mini-threadjack but I am going to wait for the 2008
"regular" hubs to become available. I plan to put it in a 26" wheel
until I feel comfortable with shifting etc then move it to a 36.
Hopefully I will be fully comfortable with it by RTL.

Edit: daytripper, I would be willing to bet that you got a rim from the
undersized batch. I know I did and I got mine last april.

--
mscalisi

Quoted message said:

<> Unicycle for (reducing the) Buddha <><

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I have run my non geared airfoil 36 as high as 60psi with never any
problem. Granted this is an airfoil rim from a couple years ago where
as the new geared 36 airfoil rim is only a few months old, I have spare
36 tube here so I will change it and will again try to air up to 45-50
and see what happens.
Although I am tempted to order the new night rider tire and maybe try
to put a 29er tube in it.

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mscalisi said:

Do you have enough time for that? Any word on when the new "road" hub is
coming out?

I'd just put it on the 36er and be done with it (if that's why you're
planning on using for RTL).

To get back on topic. There was a rash of this same phenomenon
happening last year, and I believe the UDC response was that this was
due to a batch of bad tubes. Do you have the "x" rim? ....I still don't
quite trust those.

edit: I run my non-"x" wheel at 50 psi, and the "x" wheel at 40-45 psi.

I would probably only have it in a 26" wheel for a week or two. I build
my own wheels so really it would only really cost me $10 in spokes more
than putting it strait in the 36.

My confidence in my undersized Airfoil is slowly going up and up. The
first time I rode it it blew with the recommended 30 PSI. I don't think
the tire was seated properly when I got it and never checked before the
ride. Depending on the trail/road and the season I run 20-40 PSI. I
tried 50 but felt a bit harsh to me. Maybe it would be good at high
pressures where is no frost cracks in the road.

I check to see if my tire is seated properly every time I adjust the
air and whenever I bottomed out the tire on a drop. I have had the tire
shift on lower pressures but haven't had any more blow-outs.

--
saskatchewanian

phlegm said:

The best way to overcome a mental block is to do a mental rolling hop
over it. :p

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