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Search: Posts Made By: datako
Showing results 1 to 50 of 219
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Forum: Classic & Vintage
09-26-16, 03:04 AM
Replies: 93
Views: 49,500
Posted By datako

I remember my decision to buy the delrin Simplex...

I remember my decision to buy the delrin Simplex back then had nothing to do with price, but everything to do with weight.

It was when they first came out, and miracle space age materials were...
Forum: Classic & Vintage
09-24-16, 03:48 AM
Replies: 93
Views: 49,500
Posted By datako

Old thread, but I can add something to it. ...

Old thread, but I can add something to it.

About 1962 when I was building up my Andre Bertin C37, I went for a Simplex delrin derailleur (can't remember the model). I picked it because it was the...
Forum: Folding Bikes
07-04-10, 03:51 AM
Replies: 2
Views: 1,051
Posted By datako

Comfort starts at the tyres

Comfort starts at the tyres
Forum: Folding Bikes
06-06-10, 07:12 AM
Replies: 167
Views: 11,987
Posted By datako

Deraillingthingies are beautiful pieces of...

Deraillingthingies are beautiful pieces of precision engineering. You only have to hold a Dura-Ace in your hand to be transported to a world of finely meshing gears.

In fact they are so precious...
Forum: Track Cycling: Velodrome Racing and Training Area
04-01-10, 08:57 AM
Replies: 1
Views: 661
Posted By datako

Gearing for juniors

My daughter is wanting to have a go at track.

This involves a 150 mile drive, so first I am going to set up one of my old track bikes for her to try out.

I was going to do it 48/18, but then I...
Forum: Folding Bikes
11-09-09, 03:00 AM
Replies: 29
Views: 8,514
Posted By datako

Congratulations. The Hammerhead is a little...

Congratulations. The Hammerhead is a little masterpiece. I've got quite a few bikes that are much more expensive than the Hammerhead, yet it never fails to put a grin on my face when I ride it.
...
Forum: Folding Bikes
11-02-09, 03:01 PM
Replies: 27
Views: 2,589
Posted By datako

I would have thought if any blame was to be...

I would have thought if any blame was to be attached for non-notification, it should be directed at the vendor of the bike, namely the dealer you bought it from.

It's up to them to do this job.
Forum: Folding Bikes
11-01-09, 04:55 AM
Replies: 27
Views: 2,913
Posted By datako

The thing about those old Moultons is that they...

The thing about those old Moultons is that they ride so well - in my opinion as good as a full size bike.

I'm pleased to see the prices rising because we are less likely to see them dumped. Anyone...
Forum: Folding Bikes
10-28-09, 02:08 PM
Replies: 32
Views: 3,160
Posted By datako

Thor is right, it isn't a good idea to ride out...

Thor is right, it isn't a good idea to ride out of the saddle but it can be done if you're careful. Try and make all pressures on the handlebar post vertical because it will flex alarmingly...
Forum: Folding Bikes
10-15-09, 04:11 AM
Replies: 29
Views: 8,514
Posted By datako

Never had a puncture on mine in 3 years.

Never had a puncture on mine in 3 years.
Forum: Folding Bikes
10-15-09, 04:06 AM
Replies: 12
Views: 1,381
Posted By datako

The worst thing will be your customers...

The worst thing will be your customers...
Forum: Folding Bikes
09-22-09, 11:15 PM
Replies: 19
Views: 1,354
Posted By datako

It's all about the engine and very little to do...

It's all about the engine and very little to do with the bike
Forum: Framebuilders
09-01-09, 05:11 PM
Replies: 13
Views: 2,503
Posted By datako

No worries. We got it directly from the racer as...

No worries. We got it directly from the racer as a present (he's a neighbour). When he gets back from the World Championships we'll ask him what he knows about it.

The quality of the welds and the...
Forum: Framebuilders
08-31-09, 10:57 PM
Replies: 13
Views: 2,503
Posted By datako

I think if you check my previous posts, you'll...

I think if you check my previous posts, you'll find I don't fabricate anything but bikes - definitely not stories :)

The bike racer in question is away bike racing, but we'll be asking him when...
Forum: Framebuilders
08-31-09, 06:27 PM
Replies: 13
Views: 2,503
Posted By datako

The Burnett was under the Cannondale. The...

The Burnett was under the Cannondale.

The frame is identical looking to Cannondale frames of the era, just very light and paper thin.

We're puzzled. Will try to photograph the traces of the...
Forum: Framebuilders
08-31-09, 05:16 PM
Replies: 13
Views: 2,503
Posted By datako

I'm not implying, I'm stating that when the...

I'm not implying, I'm stating that when the Cannondale paint and logo was removed, underneath was the remains of the logo Burnett.

The frame number does not match usual Cannondale practice. The...
Forum: Framebuilders
08-31-09, 05:44 AM
Replies: 13
Views: 2,503
Posted By datako

Cannondale not what it seems

My brother has just stripped back the paint on an old Cannondale road frame. Extremely thin tubing - the seatstay was cracked around the dropout.

Lo and behold, under the paint was evidence of a...
Forum: Folding Bikes
08-20-09, 04:49 PM
Replies: 19
Views: 5,208
Posted By datako

I hope so, because on the figures so far, Dahon...

I hope so, because on the figures so far, Dahon and Brompton are equal. Seeing as about 100 times more Dahons are sold than Bromptons, that suggests on the current figures that a Brompton is 100...
Forum: Folding Bikes
08-19-09, 05:29 PM
Replies: 19
Views: 5,208
Posted By datako

We can but people don't want a heavy bike. ...

We can but people don't want a heavy bike.

The alternative is very expensive light bikes and there's a very thin market at that end.
Forum: Folding Bikes
08-18-09, 06:31 AM
Replies: 25
Views: 3,747
Posted By datako

That alarmed me :) Where about did you drill the...

That alarmed me :) Where about did you drill the holes? - hopefully not in the tubes.
Forum: Folding Bikes
08-16-09, 10:53 PM
Replies: 25
Views: 3,747
Posted By datako

I reckon it would be cheaper to sell the Dahon...

I reckon it would be cheaper to sell the Dahon and buy another model. The modifications can be done, but the cost involved will be higher than the difference in prices between the bikes.

Have you...
Forum: Folding Bikes
08-12-09, 07:33 AM
Replies: 8
Views: 1,066
Posted By datako

Like a Dahon Jetstream without the pedals :)

Like a Dahon Jetstream without the pedals :)
Forum: Folding Bikes
08-10-09, 08:27 AM
Replies: 8
Views: 3,132
Posted By datako

Somewhere on YouTube there was a clip of a kid...

Somewhere on YouTube there was a clip of a kid treating a folding bike like a BMX bike and getting the BMX and the folding experience simultaneously. There was also one of a folding bike breaking at...
Forum: Folding Bikes
08-03-09, 05:49 PM
Replies: 35
Views: 4,397
Posted By datako

A hydraulic drive would have a lot of drag. Be...

A hydraulic drive would have a lot of drag. Be like riding with a sandbag dragging behind the bike.
Forum: Folding Bikes
07-28-09, 11:41 PM
Replies: 11
Views: 1,096
Posted By datako

If it came in a box rather than from a lbs, then...

If it came in a box rather than from a lbs, then it is possible your derailleur hanger is bent from rough handling. They are designed to do this to protect the derailleur and usually can be...
Forum: Folding Bikes
07-26-09, 11:32 PM
Replies: 26
Views: 8,077
Posted By datako

Those problems are consistent with riding around...

Those problems are consistent with riding around on underinflated tyres especially sidewall failure and valve stem failure.

If you are using a portable hand pump it is hard to get the tyres to the...
Forum: Folding Bikes
07-17-09, 09:48 AM
Replies: 29
Views: 2,938
Posted By datako

Actually you don't need gears at all :) Your...

Actually you don't need gears at all :)

Your legs will adapt and your bike will be lighter.
Forum: Folding Bikes
07-16-09, 01:47 AM
Replies: 25
Views: 6,193
Posted By datako

If you are going to that much trouble and...

If you are going to that much trouble and expense, why not just make the leap to a Rohloff.

You will have a much less complicated drivetrain.
Forum: Folding Bikes
07-12-09, 03:37 AM
Replies: 2
Views: 685
Posted By datako

All your symptoms sound like a badly adjusted...

All your symptoms sound like a badly adjusted cable and not deterioration of the internals of the hub (although they will fail if you ride around with a badly adjusted cable).

It is very important...
Forum: Folding Bikes
07-07-09, 04:04 PM
Replies: 14
Views: 1,405
Posted By datako

Amateur :)

Amateur :)
Forum: Folding Bikes
07-07-09, 07:20 AM
Replies: 28
Views: 6,641
Posted By datako

I suspect it has a lot more to do with the...

I suspect it has a lot more to do with the wheelbase, frame stiffness, and trail rather than the wheel size.

On a particular high speed descent on my Dahon (20" wheels) I feel nervous about its...
Forum: Folding Bikes
07-07-09, 03:29 AM
Replies: 90
Views: 9,427
Posted By datako

That takes me back a few years :) It used to...

That takes me back a few years :)

It used to work like this. To extend the life of a bike chainset the procedure was to have 2 chains and to rotate them in and out of duty. The idea being that...
Forum: Folding Bikes
07-07-09, 02:49 AM
Replies: 90
Views: 9,427
Posted By datako

This is also well known to motorcyclists who live...

This is also well known to motorcyclists who live in outback Australia. When I lived in a mining community in outback Queensland, very few motorcyclists put lubricant on their chains because...
Forum: Folding Bikes
07-07-09, 02:21 AM
Replies: 90
Views: 9,427
Posted By datako

Invisiblehand, I won't discuss this anymore with...

Invisiblehand, I won't discuss this anymore with you. You are trying to score debating points rather than advancing knowledge.
Forum: Folding Bikes
07-03-09, 01:40 PM
Replies: 5
Views: 1,292
Posted By datako

Ride it a few hundred miles and you'll find your...

Ride it a few hundred miles and you'll find your weight qualifies :)
Forum: Folding Bikes
07-03-09, 01:39 PM
Replies: 3
Views: 598
Posted By datako

Yes. Look out for other bodges. Could be a...

Yes. Look out for other bodges.

Could be a bargain, could be a headache.
Forum: Folding Bikes
07-03-09, 01:02 PM
Replies: 27
Views: 19,900
Posted By datako

That sort of cog is fitted to hub gears or...

That sort of cog is fitted to hub gears or coaster hubs. It is used on a variety of different makes, eg SRAM, Sturmey-Archer, Shimano, and an endless list of coaster hub manufacturers.

The good...
Forum: Folding Bikes
07-03-09, 11:31 AM
Replies: 90
Views: 9,427
Posted By datako

Yes, I have modified an On-One Pompino frame to...

Yes, I have modified an On-One Pompino frame to take a belt drive, and it is set up with a 3 speed S-A

Thus I get a double dose of silence and smoothness :)

So far it has been trouble free and...
Forum: Folding Bikes
07-03-09, 03:06 AM
Replies: 90
Views: 9,427
Posted By datako

Well said. I love lightweight bike stuff,...

Well said.

I love lightweight bike stuff, but when it comes down to bike weights it's pointless to obsess about weight differences that come to less than the weight of a full water bottle.

The...
Forum: Folding Bikes
07-02-09, 03:15 PM
Replies: 90
Views: 9,427
Posted By datako

Reasonably accurate. It is not an...

Reasonably accurate.


It is not an estimate, it is the actual weight. The attachment is a photo of those parts on a set of scales.
It consists of all the derailleur components I took off my...
Forum: Folding Bikes
07-02-09, 03:12 AM
Replies: 90
Views: 9,427
Posted By datako

OK, seeing as we can't compare 2 models of the...

OK, seeing as we can't compare 2 models of the same bike in case they may have different thicknesses of paint or other slight variations :), here is a picture of the weight of the 8 speed derailleur...
Forum: Folding Bikes
07-01-09, 02:40 PM
Replies: 90
Views: 9,427
Posted By datako

I would be surprised if they were weighed with...

I would be surprised if they were weighed with pedals. Very few manufacturers do this. Some continental manufacturers weigh without saddles too. Pedals and saddles being personal choice items and...
Forum: Folding Bikes
07-01-09, 02:33 AM
Replies: 90
Views: 9,427
Posted By datako

Their weights are no more unreliable than most...

Their weights are no more unreliable than most other makers. They would use the same protocol for weighing both bikes so the weight difference is likely to be reasonably accurate.

I am not aware...
Forum: Folding Bikes
06-30-09, 02:14 AM
Replies: 90
Views: 9,427
Posted By datako

Are they actually breaking? The "broken" hubs I...

Are they actually breaking? The "broken" hubs I have seen are actually poor shifting caused by twiddling neanderthals. Proper adjustment restores things so long as it hasn't been ridden too much in...
Forum: Folding Bikes
06-29-09, 05:01 PM
Replies: 90
Views: 9,427
Posted By datako

Ye gods! There is so much ignorant twaddle...

Ye gods! There is so much ignorant twaddle bandied around about the inferiority of gear hubs.

A 1960s S-A hub can slip if maladjusted, but if you can keep it away from the derailleur crowd who...
Forum: Folding Bikes
05-18-09, 02:37 AM
Replies: 18
Views: 6,806
Posted By datako

I used the Gates Carbon Drive system, so it's an...

I used the Gates Carbon Drive system, so it's an 11mm pitch belt, almost the same as a chain.

The belt is 10mm wide and the sprockets are slightly wider. The sprockets and belts come in a limited...
Forum: Folding Bikes
05-17-09, 06:31 PM
Replies: 18
Views: 6,806
Posted By datako

I did the belt drive conversion mentioned in the...

I did the belt drive conversion mentioned in the Dahon forum.

Still testing, but so far so good. Smooth silent and light, what's not to like (except the cost)? I haven't managed to make it skip...
Forum: Folding Bikes
03-13-09, 05:59 AM
Replies: 8
Views: 1,884
Posted By datako

You didn't buy from them, but you expect free...

You didn't buy from them, but you expect free work? Have I got that right?
Forum: Folding Bikes
02-25-09, 04:54 PM
Replies: 18
Views: 1,357
Posted By datako

Mixtes fold too. Many years ago my sons rode my...

Mixtes fold too. Many years ago my sons rode my wife's mixte into a wall (both were on it) and it folded beautifully.

The problem was the unfolding :)
Forum: Folding Bikes
02-19-09, 06:11 PM
Replies: 48
Views: 27,854
Posted By datako

...until you forget you're on a fixie and try to...

...until you forget you're on a fixie and try to freewheel on a fast downhill .... :injured:
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