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Old 2003-08-21, 06:42 PM   #1
JJuggle
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Custom Unicycles - Why?

I don't build unicycles and don't know jack about it.

However, many of you do and I'm starting this thread out of curiosity. I don't expect a trend or consensus to emerge, but think it would be interesting to hear what you all have to say on the matter.

For those of you who spend hours, in some cases countless, is it the resulting unicycle, the process itself, or a combination of the two that is the motivating force?

And just for the heck of it, here are some specific questions:

1) What's the longest amount of time and/or most money you ever spent on a custom job that was a complete flop? What general principles or specific facts did you learn from the experience?

2) Ditto 1, but for a machine that proved near or exactly what you'd hoped for?

3) Was your first attempt at a custom unicycle motivated by a specific need or the general desire to tinker?

4) What do your spouse, partner, significant other, children, parents, guardian, etc have to say on the matter?

Thanks,
Raphael Lasar
Matawan, NJ
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Last edited by JJuggle; 2003-08-21 at 06:44 PM.
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Old 2003-08-21, 07:09 PM   #2
paco
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I know slightly more about building custom unicycles, having built one. Obviously, I know less than most unicycling enthusiasts, but here's my take on the whole thing.
The reason I like building my own unicycle is that I know that I'm going to have it just the way I like it. Let's say I like the Miyata seat but I don't like the handle. I can put a Reeder handle on it instead. Or maybe I like the Kris Holm frame, but I don't like the wheelset. Why not put a different wheelset on it? It's nice to pick and choose what you like, and not just what someone else tells you is good. It's like being at a salad bar. Instead of being handed a salad, you get to pick what kind of lettuce, what toppings, and what dressing sounds good to you. And it's nice knowing that you have the only unicycle of its kind by the time you're through.
Of course, I'm saying this, only using premade parts. Others, like Steve Howard, can tell you what it's like to actually build a unicycle from scratch.
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Old 2003-08-21, 07:19 PM   #3
gerblefranklin
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I once spent 3 weeks welding and perfecting a girrafe uni frame, when right before it was complete it was hacked up for scrap by someone who had no clue as to what it was.
I spent a little over a year on and off building my custom muni. I laced up and tensioned the wheel 6 times before I was told the spokes needed linseed oil and had to rebuild it once again. It was worth it, though. I now have a muni with an intense 24x3.0 DH tire on a rhynolite rim, a suzue hub, monty cranks (158mm), Zuzu pedals (don't buy!), a yuni frame, and a velo seat. This entire muni cost less than $300. I worked out well, though, because I finished it right when the velo/KH seat came out, and right when I was just tall enough to use the machine. It rides great, even with the rhynolite rim, and Zuzu pedals. Had I bought this muni off unicycle.com, it would've run at about 350-400 dollars. I'm now also very proficient at wheelbuilding.

By the way, I had originally planned to weld together my own frame, but then the yuni frame came out and I just gave up.

Last edited by gerblefranklin; 2003-08-21 at 07:22 PM.
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Old 2003-08-21, 09:52 PM   #4
Mikefule
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I can't claim to 'build' custom unis, because I've never built a wheel, or welded a frame. But customising a unicycle is the way to get one that suits you. All my 5 main unis started as basic models, but the addition of a bottle cage here, a computer there, a bit cut off the seat post, a different seat, shorter (or longer cranks)... a handle... grippier pedals...

Occasionally I have a wild vision of 'custom unicycles' in the sense of low riders with wide whitewall tyres, a flared wheel arch and a massive chrome headlight. Someone has to do it one day. Unicycle hot rods...
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Old 2003-08-21, 11:04 PM   #5
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I started building custom unis because I was having to learn all the skills anyway to get my unis the way I wanted them. I also enjoy indulging my perfectionist streak without anybody telling me that I can't. I have found that my standards are much higher now and that, for the most part, I'm the only one that can meet them, which is a nice feeling. I also like seeing someone on a uni I've built and like to hear them tell me how nice and tight and responsive it feels.

1. I haven't had a complete flop but I have spent days just building a single wheel (the Strongest Coker Wheel). The Strongest Coker Wheel project took me about a year total, doing a lot of research, developing skills, working through popular misconceptions, and the like. I have also spent days developing the skills and tools to do a single specific task on a uni, such as shortening a frame, or applying the Yoopers fix in a seat rebuild. Counting travel time, time spent on the phone and on email, and the like, it can take me days to build a single unicycle.

2. See the answer to #1.

3. My first attempts were to correct weaknesses in my Pashley, which was my first unicycle. Changing cranks, tires, adding a CF seat with handle, and the like. After that I wanted to completely improve every aspect of my unis that I could without going to the "machinist" stage.

4. The significant others think that it's cool.

You don't have to weld frames to build a custom unicycle. Similarly, you don't have to make your own spokes. To me, a custom uni is one that: a) is built specifically for a given rider; b) directly takes the rider's dimensions, riding style, and intended use into account, c) is built to significantly higher standards than a unicycle built for mass sale, and d) is accompanied by a very high standard of customer support. Often, building a custom unicycle involves a great deal of interaction between builder and customer before the final product appears. Usually, that interaction results in a very high degree of satisfaction on the customer's part. It is also often the case that significant aspects of a custom unicycle cannot be purchased off-the-shelf for various reasons.

For example, Raphael, building your unicycle involved:

-- several rounds with suppliers to get the proper parts
-- rebuilding your Miyata seat with completely new stainless steel hardware
-- many steps of alignment, proper torquing, and adjustment
-- trimming the frame and seatpost to fit your dimensions precisely
-- building the wheel from scratch to a high standard with high-quality components, such as double-butted spokes
-- delivering the uni to you personally and ensuring that everything was correct for your initial rides
-- loaning you a 29er tire when the new Nanoraptor proved to have a factory flaw
-- supporting you now and in the future with free wheel truing, advice, crank replacement, and the like

To me, that's what custom building is all about.

Anybody can contact me for a quote on a custom uni. There's a lot I don't know, but then, there is some that I do. Moreover, I have excellent bicycle builders that I go to for advice when I need it.
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Old 2003-08-21, 11:17 PM   #6
JoeRowing
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1)
Not yet had a total flop - I have some interesting designs about which have proved too flexy/heavy. The only real flop was the full susser which suffered too much from pedal bob

2)
My Blizzard design muni, my trials frame, my custom coker and my new flat-crown muni

3)
bit of both - that and the fact that a decent frame is REALLY expensive. Having built some I can see why.

4)
They all think I'm mad. More specificly the GF thinks MUni is mad and dangerous but it makes me happy so it's tolerated.
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Old 2003-08-22, 12:10 AM   #7
gmoore
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>is it the resulting unicycle, the process itself, or a combination

In my case, a combination

>1) What's the longest amount of time and/or most money you ever spent on a custom job that was a complete flop?

No 'flop' yet. Thankfully.

>2) Ditto 1, but for a machine that proved near or exactly what you'd hoped for?

Lots of time. If you count thinking time, pondering, and the like it's ridiculous.

Lots of money. But compared to what? The same uni built by someone else? The closest thing off the shelf?

>3) Was your first attempt at a custom unicycle motivated by a specific need or the general desire to tinker?

Both.

>4) What do your spouse, partner, significant other, children, parents, guardian, etc have to say on the matter?

It's a uni thing. They don't understand... ;-)

Cheers, Greg
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Old 2003-08-22, 08:08 AM   #8
andrew_carter
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My turn! I designed my frame and had it built by a framebuilder, had someone design and make my bearing holders, learnt to lace wheels, and laced my wheel.

I'd say that in a rough order my reasons were (and are):
- It was the cheapest option at the time (GP's weren't in existence)
- I got (almost) exactly what I wanted
- The result was unique

I always expected the process to be fun, but I enjoyed it even more than I'd expected. I was disappointed that the fork legs ended up too close together at the top due to a mistake at the framebuilder's end, but it doesn't really affect how the beast rides. I also got to choose my frame colour and the specific parts I wanted.

1) I love my custom muni and have no regrets in building it.

2) I spent a few months on the project which was really tough to bear. If I had've gotten everything at retail price my muni would've cost me about $2100 AUD or even more.

3) Both, but definately more the specific need.

4) I think my parents understood that the amount of time and money invested was justified since I ride it so much.

And of course, I'll have to attach a picture of the final product all geared up for the 24hr race...

Andrew
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Old 2003-08-22, 08:13 AM   #9
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Old 2003-08-22, 10:24 AM   #10
joe
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My custom uni is my trials...

1) adding new bits/upgrading for about a year.. its done now though!

2) more than what I hoped for!

3) both... mostly specific need!

4) My dad loves my uni! He can see why I spent so much money on it... but my mum cant! TUT!


I started out with a UDC Trials...
First thing, upgrade the saddle. A roach air saddle should do...
Next use the Alex DX32 rim which was already on, and get the standard cotterless hub taken off, and put a KH splined hub and 140 cranks on.
At the same time, powdercoat the YUni II frame, green.
Add some metal pedals...
oh, and the upgrade the seat again with a CF base....

I got my dream trials uni now.. some people might not like it, and might not be strong enough for them... but its perfect for me!




(BTW, the frame looks much better in real life. It is metalic, and so the camera cant take very good pics of it...)

Some time soon i may put a kinport handle on.. the miyata handle is starting to fall part!

Wow, i just realised how much this thing has cost me! Since i have been adding to it over a long period of time, you dont realise how much money ive spent on it.
To buy all the bits, it would cost £330


Joe,
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Old 2003-08-22, 03:16 PM   #11
Drewnicycle
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Quote:
Originally posted by Mikefule


Occasionally I have a wild vision of 'custom unicycles' in the sense of low riders with wide whitewall tyres, a flared wheel arch and a massive chrome headlight. Someone has to do it one day. Unicycle hot rods... [/B]
I've been planning and am now working on a 144 spoke lowride uni right now, I don't know when it will be done but glad to know someone else has the same ideas
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Old 2003-08-22, 08:22 PM   #12
andrew_carter
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Quote:
the miyata handle is starting to fall part!
A little off-topic, but my Miyata seat is bent at the end. I hold it diagonally so the nose is twisted up to the left. I haven't yet had any ripping problems though.

Andrew
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Old 2003-08-22, 11:37 PM   #13
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Don't worry, it will rip. My seat first began bending up to the right and then began ripping. My handle is now a stick and about 1.5 feet of duct tape. The KH is doing fine, though.
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Old 2003-08-23, 03:40 AM   #14
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Re: Custom Unicycles - Why?

JJuggle <JJuggle.sj5iz@timelimit.unicyclist.com> wrote:

>For those of you who spend hours, in some cases countless, is it the
>resulting unicycle, the process itself, or a combination of the two that
>is the motivating force?


For me, building custom unicycles is motivated by primarily by the total
lack of stock unicycles of the type I want. Reduced cost and knowing
exactly how the unicycle is constructed are also strong motivating
factors. The custom unicycles I built are 7 big wheels, 4 two wheelers,
2 ultimate wheels, a giraffe, a forward-only drive standard, a
tightwire standard and a BC wheel (only completed cycles are counted).

>1) What's the longest amount of time and/or most money you ever spent on
>a custom job that was a complete flop? What general principles or
>specific facts did you learn from the experience?


I made a frame and rim for a 44x1 3/4" air tire big wheel. The next
step was making the tire and tube. The idea was to take two 24x1 3/4"
tires, cut them in half and solder the bead wires together at the proper
length, overlap the tire ends, glue them and stitch the sidewalls where
the two tires joined. I never got around to building the tire or tube.
The tube would have simply been two 24x1 3/4" tubes cut in half with one
half of each inserted into the other half of the other and patched.
When there is nothing more interesting to do, I will complete the
project, so its not a total flop yet. However, Greg Harper's hub and a
Coker (54 gear inch) might make this project somewhat obsolete.

The tightwire unicycle wasn't a total flop. It had a 27x1 1/4" rim
which should fit nicely over any tightwire up to 1" in diameter. Minor
problems were that the nipples became tiny bumps as they came into
contact with the wire and the steel (tightwire) against steel (rim)
coefficient of friction was less than ideal. I later heard that
professional tightwire unicycles were made with 2?x1 3/4" or 2?x1.75"
rims with some rubber-like compound applied which sets with perhaps a
half buried cable of the desired size all around to make the groove.

>2) Ditto 1, but for a machine that proved near or exactly what you'd
>hoped for?


All my other custom unicycles were exactly what I hoped for except the
forward-only (coaster-no-brake) standard unicycle. The clutch bearing
would fail after a few months use, but otherwise it was what I hoped
for.

For the big wheels, all the spokes were custom made from 36x3/32"
stainless steel welding rods. An old style S bend was used for the rim
end and the other end was cut to length and threads were cut with a 3-56
die. Old style S bend spoke end:

+-------------------+
| |
+---------------+ |
| |
| +----------------------------------------------- ...
|
+--------------------------------------------------- ...

The S bend end of the spoke is inserted into the flange at a right angle
to the flange and thus is held securely in place by the spoke simply
remaining close to the plane defined by the wheel. A flat piece of
steel with 1/8" holes drilled into it become the tool to make the S
bend. Making the S bend took about 30 seconds or a total of 40 minutes
for 80 spokes. To simply cut 35-42 threads with the 3-56 die by hand
took about 7 1/2 minutes, so threading a set of 80 spokes for my 56" big
wheel took about 10 hours. I didn't make a jig for cutting the spokes,
but simply made a benchmark spoke whose length was used to gauge each
cut as it was being made, so simply cutting a spoke took about 30
seconds. Thus total labor for making a spoke was 8 1/2 minutes or 11
hours and 20 minutes for a set of 80 spokes for my 56" big wheel.

>3) Was your first attempt at a custom unicycle motivated by a specific
>need or the general desire to tinker?


My first attempt at a custom unicycle, was to go faster. It was a short
giraffe with 16" wheel geared up to 40" initially. However, it was very
hard to ride, so I backed it down to a 29 gear inch. This demonstrated
(to me at least) that a big wheel was superior to a geared-up giraffe.
The custom unicycles I built most thereafter were big wheels, following
the faster and further!

>4) What do your spouse, partner, significant other, children, parents,
>guardian, etc have to say on the matter?


Generally, they think it is great. Occasionally, they might say I'm
spending a little too much time on the subject of unicycles and
unicycling.

Sincerely,

Ken Fuchs <kfuchs@winternet.com>
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Old 2003-08-25, 03:19 PM   #15
teachndad
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1) What's the longest amount of time and/or most money you ever spent on a custom job that was a complete flop? What general principles or specific facts did you learn from the experience?


My custom MUni took over three months to be completed. I had a frame builder build it for me that was @2,000 miles away. I didn't know anything about dimensions for the frame, but asked tons o' questions here. The news group helped build the frame. It wasn't a flop, just heavier than I had wanted. We were shooting for 1.5 lbs with a steel frame. It ended up being well over two pounds. I was a little disappointed, but below that of the cheaper KH frame.

Cost was $200.00 with $40.00 added to weld on the brake mounts.

I learned to go with a frame builder that has experience building uni frames, not just a bike frame builder. Also expect it to take more time than you bargained for. Have the builder, if possible send images as the frame progresses.

My biggest frustration was finding out later that my image of oval tubing was different than the frame builders. I thought oval tubing like on a sem XLW frame, but the frame was being built with tear drop oval tubing. This created some technical problems. The crown had to be mitered to the blades because it was so tough to work with.

2) Ditto 1, but for a machine that proved near or exactly what you'd hoped for?

I was disappointed, initially, when I got it out of the box, I expected smooth welds, like a mass production frame. What I got was too different looking welds on both sides and the brake mounts were not symmetric. When I put the wheel in the frame, it was off center. Early riding indicated, what I thought was, frame flex. Through, experimentation, I used shims to correct this problem and that is now eliminated. The brakes work very well after some minor adjustments despite the problem with the brake mounts.

My biggest regret was not having built the frame with a wider hub, like a Schwinn hub. I had it built with a Suzue hub because I wanted to save money, so I had the frame designed around the Suzue hub of my Sem XLW MUni in order to save some money and not buy a whole new wheelset. It has come back to haunt me. I have now outgrown the hub and need something stronger. Anything stronger is also wider. So, I can't reuse my frame. Which means I have to purchase whole new frame, wheel and cranks...

After getting over the early glitches in the frame, I really enjoy my MUni. It rides well on the trail and does well on light trials. I have lots a fun! It rides as well as any mass produced frame. The best part is knowing - it's unique - it is the only one like it in the entire world.


3) Was your first attempt at a custom unicycle motivated by a specific need or the general desire to tinker?

My desire was based on trying to get a light weight steel frame with KH brake mounts and for less than $200.00. At the time, you couldn't buy a mass produced frame with KH brake mounts.
I was also motivated by a general desire to create something - I have a creative bent. We were also talking about making this a prototype for a small run of frames, but that “went by the wayside”.

Views are here:
http://www.unicyclist.com/gallery/Te...ds-Custom-Muni

4) What do your spouse, partner, significant other, children, parents, guardian, etc have to say on the matter?

My wife isn't into unicycling. She didn't know too much about the project when it was going on, but she would have gotten upset if I had spent a thousand dollars on the project, but she puts up with my hobby. My boys want to ride, though very young.
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