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Search: Posts Made By: son_of_clyde
Showing results 1 to 50 of 71
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Forum: General Cycling Discussion
01-25-24, 02:41 AM
Replies: 122
Views: 4,383
Posted By son_of_clyde

Revell

Revell
Forum: General Cycling Discussion
01-20-24, 01:37 AM
Replies: 15
Views: 688
Posted By son_of_clyde

no thanks

no thanks
Forum: General Cycling Discussion
11-02-23, 03:20 AM
Replies: 20
Views: 785
Posted By son_of_clyde

This thread might contain some info of interest:...

This thread might contain some info of interest: https://www.bikeforums.net/track-cycling-velodrome-racing-training-area/1152595-my-400-wattbike-cycleops-indoor-cycle.html
Forum: General Cycling Discussion
10-05-23, 02:28 AM
Replies: 59
Views: 2,267
Posted By son_of_clyde

stopped reading at "Covid shot...

stopped reading at "Covid shot appointment"
Forum: General Cycling Discussion
08-09-23, 02:49 AM
Replies: 16
Views: 725
Posted By son_of_clyde

Two stroke chainsaw engine would be a much better...

Two stroke chainsaw engine would be a much better option IMO
Forum: Classic & Vintage
07-16-23, 04:19 PM
Replies: 98
Views: 4,905
Posted By son_of_clyde

Craftcloud quoted me $126.89 for this simple lug:...

Craftcloud quoted me $126.89 for this simple lug:

https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/1211x675/lug_1_fc776d1d1783580610e8d7bcbaed45ecd3039919.png...
Forum: Classic & Vintage
05-12-23, 08:48 PM
Replies: 83,260
Views: 14,152,641
Posted By son_of_clyde

Rare 1986 Shogun Kaze Time Trial Triathlon - $400...

Rare 1986 Shogun Kaze Time Trial Triathlon - $400 https://sfbay.craigslist.org/eby/bik/d/manteca-rare-1986-shogun-kaze-time/7610912940.html

...
Forum: Classic & Vintage
05-08-23, 01:10 PM
Replies: 13
Views: 810
Posted By son_of_clyde

I never liked the way it rode. My experience was...

I never liked the way it rode. My experience was similar to yours in that it just felt "slow". I wasn't too disappointed when it broke.
Forum: Classic & Vintage
05-08-23, 02:57 AM
Replies: 13
Views: 810
Posted By son_of_clyde

had a vitus carbone 3 - hated it. seat...

had a vitus carbone 3 - hated it. seat tube/bottom bracket joint failed
Forum: General Cycling Discussion
05-08-23, 02:44 AM
Replies: 23
Views: 730
Posted By son_of_clyde

A lot of uvex helmets have mesh built in.

A lot of uvex helmets have mesh built in.
Forum: Classic & Vintage
04-23-23, 04:52 PM
Replies: 83,260
Views: 14,152,641
Posted By son_of_clyde

$690 - Titanium Diamond Back Axis (Bodega Bay) ...

$690 - Titanium Diamond Back Axis (Bodega Bay)
https://sfbay.craigslist.org/nby/bik/d/bodega-bay-titanium-mountain-bike/7611138259.html

...
Forum: Classic & Vintage
04-06-23, 01:32 AM
Replies: 22,329
Views: 4,651,139
Posted By son_of_clyde

Basketpacking Adventure Rig - $972 (berkeley...

Basketpacking Adventure Rig - $972 (berkeley north / hills)
https://sfbay.craigslist.org/eby/bik/d/berkeley-basketpacking-adventure-rig/7602904566.html

...
Forum: General Cycling Discussion
02-09-23, 06:22 PM
Replies: 114
Views: 5,012
Posted By son_of_clyde

An advantage of bigger gears of the same ratio as...

An advantage of bigger gears of the same ratio as that of smaller ones is less chain tension for an equal power output. Total chain "angular displacement" (sum of the angles of the individual links)...
Forum: General Cycling Discussion
12-18-22, 10:55 PM
Replies: 140
Views: 7,140
Posted By son_of_clyde

Did the owner offer compensation for the 100 mile...

Did the owner offer compensation for the 100 mile trip?
Forum: General Cycling Discussion
12-04-22, 01:21 AM
Replies: 229
Views: 7,175
Posted By son_of_clyde

I understand what you're saying. I did it that...

I understand what you're saying. I did it that way because estimating moment of inertia for a complex wheel (hub, spokes, etc.) would be a pita, plus having the weight concentrated at the radius...
Forum: General Cycling Discussion
12-02-22, 11:44 PM
Replies: 229
Views: 7,175
Posted By son_of_clyde

The curves start to diverge right from the start....

The curves start to diverge right from the start. I think it just looks like they're parallel because the wheel weight difference in the simulation is so small. Below is a plot with a much bigger...
Forum: General Cycling Discussion
12-02-22, 02:47 PM
Replies: 229
Views: 7,175
Posted By son_of_clyde

In the first graph, it's hard to see because of...

In the first graph, it's hard to see because of the scale. The second graph is just a zoomed in section of the first. I think that 250g per wheel just isn't enough to see much difference when...
Forum: General Cycling Discussion
12-02-22, 03:23 AM
Replies: 229
Views: 7,175
Posted By son_of_clyde

Looks pretty negligible. This isn't to 30 kph,...

Looks pretty negligible. This isn't to 30 kph, but rather a 90kg bike/rider modeled with a constant 50N propulsive force (~828W at ~37mph) with CdA = 0.3. Rolling resistance not accounted for. Two...
Forum: Classic & Vintage
11-23-22, 04:28 PM
Replies: 83,260
Views: 14,152,641
Posted By son_of_clyde

1986 3Rensho Super Record Export - $1,800 (Santa...

1986 3Rensho Super Record Export - $1,800 (Santa Rosa) https://sfbay.craigslist.org/nby/bik/7560812427.html

...
Forum: Classic & Vintage
11-03-22, 03:24 AM
Replies: 16
Views: 933
Posted By son_of_clyde

Good quality JIS headsets here:...

Good quality JIS headsets here: https://www.njs-export.com/collections/headsets
Forum: General Cycling Discussion
06-26-22, 02:41 AM
Replies: 35
Views: 1,222
Posted By son_of_clyde

Cash Days for bicycles - 100m, flashlight start,...

Cash Days for bicycles - 100m, flashlight start, $20 buy in, winner take all. Could be fun
Forum: Classic & Vintage
06-08-22, 02:16 PM
Replies: 83,260
Views: 14,152,641
Posted By son_of_clyde

Excellent condition vintage mountain bike...

Excellent condition vintage mountain bike diamondback apex - $65 (alameda) https://sfbay.craigslist.org/eby/bik/d/alameda-excellent-condition-vintage/7492617081.html

...
Forum: Singlespeed & Fixed Gear
06-02-22, 06:57 PM
Replies: 21
Views: 2,987
Posted By son_of_clyde

Was just thinking about this again - smaller...

Was just thinking about this again - smaller sprockets (given same ratio) leads to higher chain tension which leads to higher friction, which results in bigger sprockets indeed being more efficient...
Forum: Singlespeed & Fixed Gear
05-20-22, 03:36 AM
Replies: 21
Views: 2,987
Posted By son_of_clyde

This sounds questionable because given the same...

This sounds questionable because given the same gear ratio on the same bike, the angles between the chain/sprocket tangent points are the same, resulting in the sum of the angles subtended by the...
Forum: General Cycling Discussion
05-09-22, 06:59 PM
Replies: 79
Views: 4,929
Posted By son_of_clyde

I should have specified assumptions of zero wind...

I should have specified assumptions of zero wind speed (va = vg), known (ideally no) grade, and zero mean sensor noise - aside from maybe the last, not so easy in the real world I guess. I'll read...
Forum: General Cycling Discussion
05-09-22, 02:40 PM
Replies: 79
Views: 4,929
Posted By son_of_clyde

Regarding Crr determination, any reason not to...

Regarding Crr determination, any reason not to just solve the least squares approximation for x = (x1, x2)' (Ax = b (corresponding to scalar equation Pc = x1*v + x2*v^3), with A being n x 2...
Forum: Singlespeed & Fixed Gear
04-12-22, 03:50 AM
Replies: 23
Views: 4,132
Posted By son_of_clyde

I'd drill a 10mm hole at the back of the dropout,...

I'd drill a 10mm hole at the back of the dropout, make appropriate cuts with a cutoff disc/angle grinder, then clean up with a flat file.
ETA: never mind, see you got it done. glad it worked
Forum: General Cycling Discussion
03-31-22, 08:40 PM
Replies: 176
Views: 7,841
Posted By son_of_clyde

have to wonder how many of these pearl clutching...

have to wonder how many of these pearl clutching do-gooders in here are "take the lane" advocates
Forum: General Cycling Discussion
03-08-22, 04:29 AM
Replies: 85
Views: 2,824
Posted By son_of_clyde

many levels of garbage there

many levels of garbage there
Forum: General Cycling Discussion
02-24-22, 04:44 AM
Replies: 9
Views: 478
Posted By son_of_clyde

Post it on the OG.

Post it on the OG.
Forum: Classic & Vintage
01-28-22, 06:17 PM
Replies: 4
Views: 493
Posted By son_of_clyde

I'd try one of these cylinder hones from...

I'd try one of these cylinder hones from McMaster-Carr (or similar): https://www.mcmaster.com/4424A009/ (https://www.mcmaster.com/4424A009/)
Taking off ~0.1mm of material shouldn't be too bad.
Forum: Classic & Vintage
01-20-22, 03:40 AM
Replies: 22,329
Views: 4,651,139
Posted By son_of_clyde

new 1000 watt ebike 42v 14ah battery with free...

new 1000 watt ebike 42v 14ah battery with free helmet - $580 (oakland downtown) https://sfbay.craigslist.org/eby/bik/d/san-francisco-new-1000-watt-ebike-42v/7427906433.html

...
Forum: General Cycling Discussion
01-18-22, 02:50 AM
Replies: 48
Views: 1,667
Posted By son_of_clyde

With the gear I used (45/16), I felt like I was...

With the gear I used (45/16), I felt like I was able to get up to speed pretty fast. It seems fairly consistent with the pursuit data posted by RChung. ETA: It was probably closer to 10 seconds. My...
Forum: General Cycling Discussion
01-18-22, 02:39 AM
Replies: 48
Views: 1,667
Posted By son_of_clyde

I'll have to check out Virginia and Francisco. I...

I'll have to check out Virginia and Francisco. I was looking for a fairly flat route that offered good visibility where I didn't have to worry about blowing through a blind intersection or anything....
Forum: General Cycling Discussion
01-17-22, 04:15 AM
Replies: 48
Views: 1,667
Posted By son_of_clyde

I tried it tonight (100m from standing start) -...

I tried it tonight (100m from standing start) - 9.xx s @ 31.5 mph (measured on Avocet computer with 1 second resolution), Anchor keirin bike with 45/16 (76 gear inches) gearing. Bike weighs about...
Forum: Singlespeed & Fixed Gear
01-05-22, 12:40 AM
Replies: 25
Views: 6,284
Posted By son_of_clyde

If nothing else, installing a 0.3mm thick shim...

If nothing else, installing a 0.3mm thick shim with the 27mm race/26.4mm fork is pretty simple. I used this: https://www.mcmaster.com/2283A12/ (not sure about international shipping), and have had...
Forum: Singlespeed & Fixed Gear
01-04-22, 03:40 AM
Replies: 25
Views: 6,284
Posted By son_of_clyde

I think the JIS headset (standard used on NJS...

I think the JIS headset (standard used on NJS headset) has a cup diameter of 30.0mm (27mm crown race), while an ISO standard headset will have a cup diameter of 30.2mm (26.4mm crown race), so you'd...
Forum: Singlespeed & Fixed Gear
01-03-22, 11:58 PM
Replies: 25
Views: 6,284
Posted By son_of_clyde

One thing to consider if you go this route, is...

One thing to consider if you go this route, is that the NJS fork most likely uses a 27mm diameter crown race while most "normal" forks use a 26.4mm race. If you want use an NJS headset, you'll need...
Forum: Singlespeed & Fixed Gear
01-03-22, 05:47 PM
Replies: 25
Views: 6,284
Posted By son_of_clyde

For reference, I have an NJS stamped Anchor...

For reference, I have an NJS stamped Anchor (Kaisei 019, 56.5cm), and it weighs ~18.5lb (8.4kg) built as follows:

Nitto B123 38 cm bars (chopped to bullhorn), Nitto Pearl stem 120mm, single...
Forum: Classic & Vintage
12-12-21, 07:40 PM
Replies: 22,329
Views: 4,651,139
Posted By son_of_clyde

DIAMONDBACK CUSTOM 3 WHEEL BIKE - $175 (redwood...

DIAMONDBACK CUSTOM 3 WHEEL BIKE - $175 (redwood city) https://sfbay.craigslist.org/pen/bik/d/redwood-city-diamondback-custom-wheel/7419906262.html

...
Forum: Classic & Vintage
11-19-21, 12:45 AM
Replies: 83,260
Views: 14,152,641
Posted By son_of_clyde

Classic UNIVEGA Racing bike - $400 (san rafael)...

Classic UNIVEGA Racing bike - $400 (san rafael) https://sfbay.craigslist.org/nby/bop/d/san-rafael-classic-univega-racing-bike/7409926527.html
...
Forum: Classic & Vintage
10-25-21, 06:34 PM
Replies: 8,793
Views: 1,107,780
Posted By son_of_clyde

Didn't arrive today, but about a week ago - NOS...

Didn't arrive today, but about a week ago - NOS Stronglight X-15 headset. It'll go on a 1992 Diamondback Axis.

...
Forum: Classic & Vintage
10-23-21, 06:51 PM
Replies: 6,487
Views: 779,123
Posted By son_of_clyde

A forum member helped me out with these already. ...

A forum member helped me out with these already. Thanks for looking out.
Forum: Classic & Vintage
10-21-21, 12:06 AM
Replies: 12
Views: 1,251
Posted By son_of_clyde

This one works: https://www.mcmaster.com/9804T61/...

This one works: https://www.mcmaster.com/9804T61/
BSPT thread. I used the 0 - 200 psi one.
Unfortunately, it's a product of china.
Forum: Classic & Vintage
10-04-21, 01:15 PM
Replies: 6,487
Views: 779,123
Posted By son_of_clyde

A and B length would be ideal, but two of A...

A and B length would be ideal, but two of A length would work as well.
Forum: Classic & Vintage
10-03-21, 09:48 PM
Replies: 6,487
Views: 779,123
Posted By son_of_clyde

Wanted: Straddle cable assembly (2) that came...

Wanted: Straddle cable assembly (2) that came with Deore XT M734 brakes (as shown in photo).

...
Forum: General Cycling Discussion
10-03-21, 01:56 AM
Replies: 39
Views: 6,914
Posted By son_of_clyde

nylon M5x0.8mm are easy to get. ...

nylon M5x0.8mm are easy to get.
https://www.mcmaster.com/nylon-screws/thread-size~m5/head-type~socket/
Forum: Classic & Vintage
10-02-21, 05:39 PM
Replies: 83,260
Views: 14,152,641
Posted By son_of_clyde

Raleigh Competition - $571 (san jose north) ...

Raleigh Competition - $571 (san jose north)
https://sfbay.craigslist.org/sby/bik/d/san-jose-raleigh-competition/7388766678.html

...
Forum: General Cycling Discussion
02-20-21, 03:44 AM
Replies: 30
Views: 2,445
Posted By son_of_clyde

I'd be embarrassed to have that "welding" on...

I'd be embarrassed to have that "welding" on video.
Forum: Classic & Vintage
11-29-20, 04:35 AM
Replies: 142
Views: 12,993
Posted By son_of_clyde

Yes. I avoid anything of Chinese origin.

Yes. I avoid anything of Chinese origin.
Showing results 1 to 50 of 71
 
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