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Search: Posts Made By: gilesa
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05-04-21, 12:31 AM
Replies: 5
Views: 226
Posted By gilesa

Freewheels contain the ratchet mechanism, while...

Freewheels contain the ratchet mechanism, while cassettes are just the sprocket cluster, with the ratchet being part of the hub. The cost of the extra parts miraculously makes freewheels cheaper than...
05-01-21, 02:24 PM
Replies: 142
Views: 3,527
Posted By gilesa

Some where up there, hazetguy ...

Some where up there, hazetguy (https://www.bikeforums.net/members/hazetguy-20876.html)named his entry "I plead the filth". I think the plea should be rejected. This is filth:
...
04-28-21, 04:03 AM
Replies: 14
Views: 2,485
Posted By gilesa

I was assuming two white LEDs. With a red the...

I was assuming two white LEDs. With a red the batteries would barely charge.
04-26-21, 01:23 AM
Replies: 14
Views: 2,485
Posted By gilesa

The age of the thread is a lot less than the age...

The age of the thread is a lot less than the age of the parts! Even if OP is long gone, the topic still seems relevant, at least to those who like both old parts and seeing ahead.

My first...
04-05-21, 03:18 AM
Replies: 18
Views: 1,035
Posted By gilesa

One thing to consider is that sidewall/rim...

One thing to consider is that sidewall/rim dynamos run at about 10 times the frequency of hubs. So there may be a compatibility problem with chargers made for hubs, almost certainly so if they...
04-05-21, 02:39 AM
Replies: 8
Views: 303
Posted By gilesa

Above, 3Alarmer wrote "... and while it sounds...

Above, 3Alarmer wrote "... and while it sounds possible in theory, I wonder if it's a lasting solution."
It is, at least in my experience. I used a Sunrace cartridge for cottered cranks in a...
04-04-21, 04:23 AM
Replies: 6
Views: 405
Posted By gilesa

An unusual frame fitting

... on a Scott Sawtooth MTB. Should qualify as C&V as is has Biopace.


https://cimg1.ibsrv.net/gimg/bikeforums.net-vbulletin/800x600/spokes_0a59a86ba3cde62478281a99a253875d7ae71e80.jpg


I am...
03-24-21, 02:44 AM
Replies: 70
Views: 2,865
Posted By gilesa

Spa Cycles have an own-brand line that may be...

Spa Cycles have an own-brand line that may be worth a look. But located in UK, so maybe not.
02-22-21, 03:33 PM
Replies: 9
Views: 310
Posted By gilesa

Three sizes IIRC: standard, midi, mini. Also a...

Three sizes IIRC: standard, midi, mini. Also a Triang-branded child's version. Midi was the 7/8th size with 14" wheels. Mini was smaller and lacked front suspension. The 5' 4" lower limit sounds...
02-16-21, 07:01 AM
Replies: 12
Views: 400
Posted By gilesa

That looks great! One small thing: in the...

That looks great!

One small thing: in the pictures it looks as if a line drawn through the rotation axis of the dynamo would pass several centimeters in front of the rear wheel axle. Adjusting it...
02-07-21, 03:05 AM
Replies: 22
Views: 810
Posted By gilesa

I have seen it on a Schwalbe Kojak, a tyre that...

I have seen it on a Schwalbe Kojak, a tyre that some here rate highly. Only 2 years of moderate use. OTOH I have a Kenda Kwest (front) that is still good after 15 years of heavier use. More data...
01-19-21, 03:51 AM
Replies: 10
Views: 594
Posted By gilesa

All morning? I am into the second year of...

All morning? I am into the second year of dripping supposedly magical fluids on the seatpost of a Claud Butler with years of shed time.

On a more practical note, clamping timbers either side of...
12-14-20, 02:42 AM
Replies: 88
Views: 3,503
Posted By gilesa

Vane171, It has been done, or something like it:...

Vane171, It has been done, or something like it: https://bikeretrogrouch.blogspot.com/2016/01/new-is-old-again-expanding-chainring.html
Then there is the NuVinci hub and a weird mechanical hub from...
11-27-20, 01:24 PM
Replies: 5
Views: 289
Posted By gilesa

I think you have probably done enough to show...

I think you have probably done enough to show there is something wrong. One interesting question: are the sprocket and hub rotating at the same speed? If so, it might be an indication that the...
11-25-20, 09:04 AM
Replies: 1,387
Views: 396,092
Posted By gilesa

> ... apparently a Rhapsody. Didn't know that...

> ... apparently a Rhapsody. Didn't know that these were ever imported here!

This page suggests that they were, and seems to show the 23" version, called Rapide there:...
11-14-20, 08:29 AM
Replies: 14,261
Views: 3,162,652
Posted By gilesa

> I wonder if I can find a new bulb, and what...

> I wonder if I can find a new bulb, and what kind of batteries it takes? (Also: what a crusty tire!

Lamp made by Pifco? My guess is it takes one of the two-cell units with a front contact that...
11-10-20, 11:51 AM
Replies: 292
Views: 18,908
Posted By gilesa

Insufficient enthusiasm

I had what I thought was an excellent clunker this year, a Raleigh Wisp. It was offered for free collection, and I thought someone in my family could use it. Although tatty, it seemed rideable once...
11-07-20, 03:31 AM
Replies: 11
Views: 1,012
Posted By gilesa

Thanks!

Thanks!
11-06-20, 01:26 AM
Replies: 11
Views: 1,012
Posted By gilesa

Should be so, if good quality. But these were...

Should be so, if good quality. But these were very cheap.
11-05-20, 03:44 PM
Replies: 5
Views: 487
Posted By gilesa

After a trip to the attic, I may be able to help....

After a trip to the attic, I may be able to help. The is from a step-through (Ladies) model. complete with basket. The serial number (NE00xxxxxx) suggests 1980, but the SA hub says 78. There is no...
11-05-20, 05:30 AM
Replies: 11
Views: 1,012
Posted By gilesa

How bright are they, as compared to the original...

How bright are they, as compared to the original bulbs?
11-03-20, 05:11 AM
Replies: 4
Views: 595
Posted By gilesa

I think you are doing the right thing, but it...

I think you are doing the right thing, but it needs more force. I have the same lamp (Union K10709) and the black part comes out with a small anti-clockwise twist. Mine is also stiff so it is...
Forum: Folding Bikes
08-14-20, 03:00 AM
Replies: 23
Views: 3,872
Posted By gilesa

My Firefox browser reports "Error code:...

My Firefox browser reports "Error code: SEC_ERROR_BAD_SIGNATURE" for the SSL certificate. Other browsers may be less explicit, but that seems like a real problem to me.

Edit: that was the forum...
07-15-20, 02:01 AM
Replies: 18
Views: 810
Posted By gilesa

Sturmey-Archer sell a 25-tooth, which Sheldon...

Sturmey-Archer sell a 25-tooth, which Sheldon Brown says will fit. But the 27 seems an inexpensive part, so why not try it and report back? With the 48-tooth chainwheel and OP's description of...
06-06-20, 02:11 AM
Replies: 4
Views: 258
Posted By gilesa

That looks great. I would like to understand why...

That looks great. I would like to understand why it was thrown away. What a pity there is no Clunker Challenge 100 this year!
05-24-20, 02:20 AM
Replies: 11
Views: 587
Posted By gilesa

OP's original plan should work with the addition...

OP's original plan should work with the addition of a rectifier. The simplest scheme would be to place a 1N4002 between the dynamo and battery positive, with the other dynamo wire to battery...
05-02-20, 08:01 AM
Replies: 13
Views: 1,730
Posted By gilesa

A minimal example

https://cimg7.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/dscn2078_cc4cebbcaea109df3dedc8a7a500616d69fe3fbb.jpg
03-19-20, 02:55 AM
Replies: 79
Views: 5,721
Posted By gilesa

Enclosed chaincase, which makes chain drive truly...

Enclosed chaincase, which makes chain drive truly practical in most climates. Look how much people here fuss over lubricants as confirmation.
03-13-20, 02:53 AM
Replies: 3
Views: 594
Posted By gilesa

There is so little information here that it is...

There is so little information here that it is hard to comment. A detailed description would help.
One fairly obvious question: did you use an AC voltmeter?
02-28-20, 06:13 AM
Replies: 124
Views: 14,104
Posted By gilesa

I found the links in the last few posts very...

I found the links in the last few posts very interesting. Thanks.

In the Forumslader instructions, I see five electrolytic capacitors. I would expect one to be connected for the...
02-27-20, 04:53 AM
Replies: 124
Views: 14,104
Posted By gilesa

"As an example the Forumslader has 5 stage load...

"As an example the Forumslader has 5 stage load matching, which is switched by a microprocessor, plus a voltage booster at low speeds to maximise output. "

Trevtassie, Is it possible to post a...
02-25-20, 04:09 AM
Replies: 4
Views: 509
Posted By gilesa

Unusual Atala

Almost certainly not classic and perhaps not old enough for vintage, but this seems the best subforum.
What is the purpose of the rear subframe? My guess is that it splits for transport, but then...
02-16-20, 07:23 AM
Replies: 14,261
Views: 3,162,652
Posted By gilesa

From last summer ...

https://cimg9.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/dscn1986_6f1349fe1a2a21652446325ef48ca3ca68c4132a.jpg
This was literally saved from the dump. I was riding past a skip on a street...
02-02-20, 05:03 AM
Replies: 13
Views: 1,121
Posted By gilesa

>Look at places like Digikey there are...

>Look at places like Digikey there are specialized parts that are made just for this exact purpose, controlling a LED with PWM. These are much easier to use than a generic MOSFET. Lookuop "led...
01-31-20, 12:03 PM
Replies: 75
Views: 5,156
Posted By gilesa

That Puch looks very stylish. I particularly...

That Puch looks very stylish. I particularly like the drilled black chainrings.
But I would hate to try and keep a gold freewheel clean!

By comparison the Record Sprint looks rather crass, but...
01-31-20, 03:08 AM
Replies: 75
Views: 5,156
Posted By gilesa

Surely not too ostentatious when it is an...

Surely not too ostentatious when it is an original component, as on the Raleigh Record Sprint:
https://www.flickr.com/photos/54329998@N00/39816706233/in/album-72157688854991233/
The catalogue...
01-30-20, 01:42 PM
Replies: 14,261
Views: 3,162,652
Posted By gilesa

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1504/dscn1919_f72d4ac53812d9880882884aa4d9765c5eea8bb9.jpg

Peugot Leader. Junior racers are not very common, here or in the wild. This...
01-24-20, 03:56 AM
Replies: 6
Views: 761
Posted By gilesa

That is a lovely idea, but seems improbable to...

That is a lovely idea, but seems improbable to me. The lamp lighter has to open the door, turn on the gas and light the mantles.
Tricky from the saddle! And you would expect to see some specific...
01-11-20, 04:41 AM
Replies: 13
Views: 1,121
Posted By gilesa

Thanks. That is an interesting technique, but...

Thanks. That is an interesting technique, but looks to need a very steady hand on the Dremel!
I will try it for myself next time. It seems to work well enough to use SMT parts for everything,
while...
01-10-20, 05:29 AM
Replies: 13
Views: 1,121
Posted By gilesa

Steve, Do you have any advice on...

Steve,

Do you have any advice on hand-soldering those tiny switch-mode parts? I bought a similar part (ZXLD383)
and dual MOSFETs in that tiny TSOT package, but found the soldering very tricky. Or...
01-09-20, 12:36 AM
Replies: 13
Views: 1,121
Posted By gilesa

Some rather random thoughts on this: I did...

Some rather random thoughts on this:

I did not see the OP mention brake lights. Perhaps those replies were intended for another thread.

As a linear regulator is really a controlled, variable...
01-08-20, 11:14 PM
Replies: 60
Views: 2,972
Posted By gilesa

Increasing the RD spring tension worked for me. ...

Increasing the RD spring tension worked for me. Sachs-Huret Eco.
12-08-19, 05:57 AM
Replies: 12
Views: 1,121
Posted By gilesa

Some similar bulb replacements are available...

Some similar bulb replacements are available here: http://www.thetorchsite.co.uk/Universal_led_upgrades.html (http://www.thetorchsite.co.uk/TUniversal_led_upgrades.html).
(UK-based, but take...
12-05-19, 03:29 AM
Replies: 14
Views: 752
Posted By gilesa

It should work. I have soldered plain carbon...

It should work. I have soldered plain carbon steel several times, most recently last week.
I always joined freshly cut/abraded parts, using the usual tin/lead multicore solder wire.
12-01-19, 05:18 AM
Replies: 20
Views: 2,483
Posted By gilesa

... and after a little more time-wasting, I did...

... and after a little more time-wasting, I did find a measurement. This article finds 29% efficiency
(mechanical-electrical) for a bottle and 60% for the best hub:...
12-01-19, 04:50 AM
Replies: 20
Views: 2,483
Posted By gilesa

I would open it, clean and grease the bearing. ...

I would open it, clean and grease the bearing. It made a real difference to one that I serviced.
Changing the bulbs to LED emitters will greatly improve the brightness, especially at low speed....
10-31-19, 12:04 PM
Replies: 900
Views: 159,491
Posted By gilesa

Miele in UK

The first I have seen.https://cimg8.ibsrv.net/gimg/bikeforums.net-vbulletin/1600x1200/miele_bike_a929833ac21888fd39f9263ad1069dfe659aeadd.jpg
10-11-19, 04:30 AM
Replies: 14,261
Views: 3,162,652
Posted By gilesa

Where to buy new leopardskin sidewalls like that...

Where to buy new leopardskin sidewalls like that Fuji?
07-10-19, 02:00 PM
Replies: 336
Views: 41,778
Posted By gilesa

Done ...

I have completed 110km on the Raleigh Topaz, almost all local shopping errands. The scenic route:
...
06-21-19, 04:15 AM
Replies: 336
Views: 41,778
Posted By gilesa

Stray entry

This contest prompted me to take pity on this Raleigh, long abandoned at a local bike rack. Topaz appears only in the '88 catalogue, but parts are dated '84, 86 and 90. Two puzzling features:...
Showing results 1 to 50 of 77
 


 
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