Wheel Build
- mikesbytes
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Wheel Build
Postby mikesbytes » Tue Nov 20, 2007 7:16 pm
Only used by a little lady on Saturday and Sunday mornings.
First question, how much do the hubs weigh?
- Birdman
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Postby Birdman » Wed Nov 21, 2007 12:53 pm
How did you get her to part with them?
Mitch.
Until next time...
- europa
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- mikesbytes
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Postby mikesbytes » Wed Nov 21, 2007 3:26 pm
I intend to make new wheels for the OCR2, as the front rim has had it.
347g, that's light.
Next question? I have scored 1 36h velocity deep V rim. Should I buy 1 velocity deep V rim or should I consider other options. buying 2 rims?
Pros and cons of Velocity deep V
- half price (only need one)
- good aero
- bullet proof
- heavy
If I remember correctly Velocity deep V rims are 520gms each, so;
1040gms Velocity deep V rims
347gms Ultegra 9 speed hubs
====
1387gms so far
- sogood
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Postby sogood » Wed Nov 21, 2007 3:45 pm
So are you suggesting that you'll rebuild your front with the existing hub? Is there enough life in that hub to make it worthwhile?
RK wrote:And that is Wikipedia - I can write my own definition.
- europa
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Postby europa » Wed Nov 21, 2007 3:53 pm
On the rims, I don't know that the DeepVs would be a good choice for you, simply because of the weight. They do make a heavy wheel - I'm pretty sure I put the weight of mine (DeepV on Ultegra) in my wheel building thread, if not, I can whip them off and weight them, though that'd be misleading because they'd have the 28mm tyres fitted.
The Fusion is a lighter rim and by all accounts, just as strong in the real world. Tallywhacker and DB531 recommended them when I was looking for wheels for the Europa. The Aero is also worth looking at - lighter again but probably not as bullet proof, but maybe strong enough? I can weigh the Aeros on the lad's track bike if you're interested (and they've got 23mm tyres so the overall weight'd be more appropriate to you). You're not heavy and aren't going to be centre punching taxis on a regular basis.
I like my DeepV choice, but they did feel like wheels built to support a tank (appropriate on a steel frame?) and weight certainly wasn't a major consideration on my build.
Richard
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Postby mikesbytes » Wed Nov 21, 2007 3:54 pm
So the 347gms was for the rear hub, then I need to add 140gms for the front hub.sogood wrote:But your weight calculation is for only one hub. Add a front hub, spokes, nipples and skewer...
So are you suggesting that you'll rebuild your front with the existing hub? Is there enough life in that hub to make it worthwhile?
140gms front hub
347gms rear hub
1040 gms for 2 velocity deep V rims
=====
1527 gms so far.
When they state weights for a wheel, they don't include the skewer and rim tape.
Now back to those hubs, the stated weight on that page are;
Rear: Average Weight: 347g (QR Weight-64g)
Front: Average Weight: 140g (QR Weight-60g)
Does that mean that the weight is including the skewers and to subtract 60gms each, or to add 60gms for the skewers?
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Postby sogood » Wed Nov 21, 2007 4:01 pm
If you check WW, they are listing that same hub for around 410g with skewer. So there you go, opportunity to swap in that 25g skewer of your.
RK wrote:And that is Wikipedia - I can write my own definition.
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Postby mikesbytes » Wed Nov 21, 2007 4:46 pm
Haven't decided on spokes yet. Considerations;MichaelB wrote:What about spoke weight ?
- price
- quality
- comfort
- strength
Passing thought about using double butted on the front and straight ones on the rear.
Another consideration is that 36 spokes is more than enough for an 82kg rider, particularly if using such stiff rims, so I probably don't need bullet proof spokes. Opinions?
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- mikesbytes
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Postby mikesbytes » Wed Nov 21, 2007 4:59 pm
Off memory;sogood wrote:Do you have a habit of breaking spokes on your existing and previous wheels?
1 rear spoke in 2002 on the (defunct) Europa
1 rear spoke in 2004 on the OCR2
Frames, seats, pedals, chains, hubs and rims are an entirely different matter. Not in Toolong territory but.
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Postby mikesbytes » Wed Nov 21, 2007 5:05 pm
- sogood
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Postby sogood » Wed Nov 21, 2007 5:11 pm
Fatigue.mikesbytes wrote:Why do spokes break? Perhaps I've been lucky?
- Poor quality, manufacturing or material defect.
- Uneven stress concentration.
- Overloading.
RK wrote:And that is Wikipedia - I can write my own definition.
- Mulger bill
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Postby Mulger bill » Wed Nov 21, 2007 10:18 pm
IIRC, DB spokes are stronger than straight gauge.
Shaun
London Boy 29/12/2011
- mikesbytes
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Postby mikesbytes » Wed Nov 21, 2007 10:25 pm
I'm thinking about transfer of power from me to the tarmac, which goes thru the spokes. Are spokes just spokes, or will stiffer spokes do a better job? Or is there bugger all difference so I should get whatever I can get cheap?Mulger bill wrote:Side impacts are a spoke killer.
IIRC, DB spokes are stronger than straight gauge.
Shaun
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Postby mikesbytes » Wed Nov 21, 2007 10:26 pm
Your've reminded me, I've broken 3 spokes, I broke a front spoke when I was knocked off my bike by a dog.sogood wrote:User abuse. Or dog crossing...Mulger bill wrote:Side impacts are a spoke killer.
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Postby sogood » Wed Nov 21, 2007 10:30 pm
Oils ain't oils, so spokes ain't spokes.mikesbytes wrote:I'm thinking about transfer of power from me to the tarmac, which goes thru the spokes. Are spokes just spokes, or will stiffer spokes do a better job? Or is there bugger all difference so I should get whatever I can get cheap?
Reading those gurus like Jobst etc, quality of spoke and build (evenness and correct tension) make a big difference. Poorly manufactured spokes are less able to withstand the stress and strain and will fail early.
You should aim for a stiff wheel that can last. Definitely don't want a one day wonder.
RK wrote:And that is Wikipedia - I can write my own definition.
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Postby Birdman » Thu Nov 22, 2007 12:05 pm
Does material make a difference? Well obviously it does, but as in cost, strength and life?
Mitch.
Until next time...
- mikesbytes
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Postby mikesbytes » Thu Nov 22, 2007 2:09 pm
- mikesbytes
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Postby mikesbytes » Mon Nov 26, 2007 2:11 pm
74gms front hub
226gms rear hub
===
300gms total
Compared with Ultegra
140gms front hub
347gms rear hub
===
487gms total
If money was no object, I could save 187gms on the hubs
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