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Search: Posts Made By: gilesa
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05-01-22, 03:48 AM
Replies: 16
Views: 393
Posted By gilesa

The hub is probably a Styria "Drei Gang", made by...

The hub is probably a Styria "Drei Gang", made by Steyr-Daimler-Puch. They are close copies of the Sturmey AW-3.
04-06-22, 01:33 AM
Replies: 34
Views: 1,835
Posted By gilesa

Two suggestions: start a new thread on "Classic...

Two suggestions: start a new thread on "Classic and Vintage", as you are now into general maintenance; have a look on UK Ebay.
02-12-22, 03:04 AM
Replies: 4
Views: 510
Posted By gilesa

Excellent job, and many thanks! I have found...

Excellent job, and many thanks! I have found Google searches containing "site:www.smontanaro.net/ (https://www.smontanaro.net/CR/)" alongside the wanted keywords work well.
01-23-22, 01:45 AM
Replies: 5
Views: 219
Posted By gilesa

Assuming you want to retain the lamps, a...

Assuming you want to retain the lamps, a conversion is well-worth doing: better light starting at lower speed. However, traditional dynamo installations depend on a balance between bulb and dynamo...
01-13-22, 11:29 AM
Replies: 21
Views: 749
Posted By gilesa

To confirm that, the inductance is at a minimum...

To confirm that, the inductance is at a minimum in a stable position of the wheel, where magnet and stator poles should be aligned and the flux path has maximum length. (I had to look up the...
01-12-22, 04:37 AM
Replies: 21
Views: 749
Posted By gilesa

Ass suggested above, there should be 6V of output...

Ass suggested above, there should be 6V of output with a 20 ohm resistor connected, or a little over 300mA short-circuit current. It is hard to get a good measurement while spinning by hand. One...
01-11-22, 07:32 AM
Replies: 34
Views: 1,835
Posted By gilesa

The AG and FG are Dynohubs (I have an AG), built...

The AG and FG are Dynohubs (I have an AG), built into the same shell as 3 or 4-speed gears. So it seems likely that only the wiring was different.

> I'd be interested in hearing from anyone who...
01-10-22, 04:44 PM
Replies: 34
Views: 1,835
Posted By gilesa

Yes, the step-through bike in the picture looks...

Yes, the step-through bike in the picture looks to have a S-A combined gear and generator hub (model FG? Nice if a 4-speed!) And I second the rod-brake warning.

This site has some relevant stuff:...
01-10-22, 11:46 AM
Replies: 34
Views: 1,835
Posted By gilesa

My mistake, D batteries, not C. I notice...

My mistake, D batteries, not C.


I notice that SturmeyArcher22 has not actually said that there is a Dynohub on the bike, but I think we have assumed that there is. Assuming there is one, a good...
01-10-22, 05:17 AM
Replies: 34
Views: 1,835
Posted By gilesa

One of these? Sturmey-Archer Heritage ::...

One of these?
Sturmey-Archer Heritage :: History (http://www.sturmey-archerheritage.com/index.php?page=history-detail&id=77)
or these?
Sturmey-Archer Heritage :: History...
07-29-21, 02:32 AM
Replies: 6
Views: 777
Posted By gilesa

Overseas?...

Overseas? https://www.sjscycles.co.uk/bottom-brackets/cotterless-axle-5r-132mm/
05-04-21, 12:31 AM
Replies: 5
Views: 497
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: 607
Views: 40,614
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: 3,467
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: 3,467
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: 1,617
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: 608
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: 636
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: 78
Views: 8,679
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: 597
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: 591
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: 1,027
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: 939
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: 5,737
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: 332
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: 1,451
Views: 445,298
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: 14,670
Views: 3,514,298
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: 26,960
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: 1,126
Posted By gilesa

Thanks!

Thanks!
11-06-20, 01:26 AM
Replies: 11
Views: 1,126
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: 7
Views: 983
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: 1,126
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: 760
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: 7,779
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: 2,978
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: 361
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: 694
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: 3,564
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: 7,483
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: 746
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: 19,452
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: 19,452
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: 679
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: 14,670
Views: 3,514,298
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: 1,329
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: 7,441
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: 7,441
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: 14,670
Views: 3,514,298
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: 1,184
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: 1,329
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...
Showing results 1 to 50 of 88
 


 
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