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by [XAP]Bob
14 Jun 2021, 6:25pm
Forum: For Sale - Complete bikes ONLY - state FRAME SIZE in title
Topic: 22” Classic 531 Dawes
Replies: 2
Views: 221

Re: 22” Classic 531 Dawes

One meeeelionn pounds (or more likely any reasonable offer - I know it’s worth more than a fiver ;) )

Rear stay photo as requested by PM:
by [XAP]Bob
14 Jun 2021, 12:36pm
Forum: The Tea Shop
Topic: This is what you get with Brexit- you have more problems buying a Brooks saddle
Replies: 16
Views: 477

Re: This is what you get with Brexit- you have more problems buying a Brooks saddle

merseymouth wrote: 11 Jun 2021, 11:25am Well XAPBob, One word sums up the current approach to how they treat the first exiting member - "DANEGELD"! :twisted:
Blackmail is a torrid practise, but plain and simple that is what the E.U. is employing. MM
Hi, As it always was -"Never let lack of truth stop folk from having a moan"!
Who was moaning again?
Oh yes, the supporters of brexit who realise that they "won" a turd (having been told it was a turd previously).
by [XAP]Bob
14 Jun 2021, 7:54am
Forum: Does anyone know … ?
Topic: ….Most effective body position for tailwind
Replies: 19
Views: 410

Re: ….Most effective body position for tailwind

simonhill wrote: 14 Jun 2021, 7:29am
Jdsk wrote: 13 Jun 2021, 10:15pm
Postboxer wrote: 13 Jun 2021, 10:09pm Coincidentally I was watching a YouTube video earlier of a vehicle capable of travelling directly downwind, faster than the wind. Skipped most of it, just looking for the theory of why it might work and whether or not it did work.
I'm interested... but did it only use aerofoils?

Jonathan
If you watched the Americas Cup you would have seen the boats 'sailing' much faster than the natural windspeed.
Easily, but never straight downwind. They were always moving with some lateral component, and when you do that you can easily have a downwind component faster than the actual wind. The trick here is to go straight downwind faster than the wind (although you could easily argue that the fan is just a way of generating a crosswind component for part of the vehicle).
by [XAP]Bob
13 Jun 2021, 11:02pm
Forum: The Tea Shop
Topic: More Apple Macbook pro failures.
Replies: 14
Views: 316

Re: More Apple Macbook pro failures.

toontra wrote: 13 Jun 2021, 8:54pm
[XAP]Bob wrote: 13 Jun 2021, 8:01pm Four thunderbolt ports not enough for you?

How do you intend to saturate 160Gig of full duplex connectivity?
Capacity isn't the issue. I want HDMI and USB ports, not "thunderbolt". I don't want to be forced into using Apple's proprietary cabling. I assume I'm not alone or they wouldn't be doing this. Magsafe also making a welcome return. They are obviously listening to what their customers want for a change, not what they think they want (and forcing them into buying over-priced accessories).
Proprietary?
USB-C/TB3 are anything but.
They are what everything is moving to, no need for any proprietary cables whatsoever.

I do think that dropping MagSafe was a bad idea, but that’s because they served a very specific purpose - there was no reason not to have both MagSafe and power over usbc
by [XAP]Bob
13 Jun 2021, 8:01pm
Forum: The Tea Shop
Topic: More Apple Macbook pro failures.
Replies: 14
Views: 316

Re: More Apple Macbook pro failures.

Four thunderbolt ports not enough for you?

How do you intend to saturate 160Gig of full duplex connectivity?
by [XAP]Bob
13 Jun 2021, 7:52pm
Forum: Bikes & Bits – Technical section
Topic: Butterfly bars and bar end shifters
Replies: 5
Views: 314

Re: Butterfly bars and bar end shifters

If you’re still looking for bars I have a set of butterfly bars in the garage…
by [XAP]Bob
13 Jun 2021, 7:46pm
Forum: Non-standard, Human Powered Vehicles
Topic: Northerrn Light velomobile
Replies: 12
Views: 704

Re: Northerrn Light velomobile

Strange looking - that would be the rover safety bicycle…

A marginal improvement on the high wheel, but still modelled on a horse.
by [XAP]Bob
13 Jun 2021, 7:14pm
Forum: For Sale - Complete bikes ONLY - state FRAME SIZE in title
Topic: 20.5” Dawes diploma
Replies: 0
Views: 111

20.5” Dawes diploma

Another classic Dawes, this time in basically completely original spec.

Three speed with a throttle style changer on the right hand.
Front dynamo (untested).

21.5” top tube.

Location: Rugby
by [XAP]Bob
13 Jun 2021, 7:07pm
Forum: For Sale - Complete bikes ONLY - state FRAME SIZE in title
Topic: 22” Classic 531 Dawes
Replies: 2
Views: 221

22” Classic 531 Dawes

Since I can’t ride a bike any more this should really go to someone who can, and will, use and enjoy it.

Most of the bike is original, the bits that aren’t are honest about it.

Ahead stem on an adaptor, with modern drop bars and Diacompe aero levers - wrapped in a pretty decent matching green, trimmed with red tape.
The brakes are also a modern replacement - Tektro R556s.
Also a small mirror on the RH bar end.

The drive is a dual toggle chain 5 speed SA, with dual downtube levers - left hand shifter switches between wide range and narrow range, the right hand does under/direct/over-drive. It’s basically two three speed hubs in the same shell, with direct drive obviously being shared.

If I was a brooks aficionado I could probably tell you which model is on there, but it’s tan and I found it excellent for my needs.

Could do with a general clean and checking up (brakes feel a bit stiff at the moment, but it hasn’t been ridden in over three years).

22” measured from BB centre to top tube centre along the seat tube. Top tube is 23” from seat tube centre to head tube centre.

Location: Rugby.
by [XAP]Bob
11 Jun 2021, 10:20am
Forum: Does anyone know … ?
Topic: Internal rim hole damage on new wheels
Replies: 20
Views: 574

Re: Internal rim hole damage on new wheels

If it's normal they should prominently display those pictures on their sales page.

Most bike wheels only need to last a few hundred miles over their lifetime, so unlikely to be an issue.

Distance selling, you might need to send them back, but full refund shouldn't be hard to obtain.
by [XAP]Bob
11 Jun 2021, 10:18am
Forum: The Tea Shop
Topic: Rape oil
Replies: 35
Views: 907

Re: Rape oil

simonineaston wrote: 11 Jun 2021, 10:05am Hmm - bees or cake? Difficult...
Not really - you can either have bees and cake for ever, or an excess of cheap cake whilst we kill off the bees, and then no cake ever.
by [XAP]Bob
11 Jun 2021, 10:17am
Forum: The Tea Shop
Topic: Shoe sizing
Replies: 5
Views: 167

Re: Shoe sizing

More importantly you should order a pair so you don't need to hop everywhere...
by [XAP]Bob
11 Jun 2021, 10:16am
Forum: The Tea Shop
Topic: This is what you get with Brexit- you have more problems buying a Brooks saddle
Replies: 16
Views: 477

Re: This is what you get with Brexit- you have more problems buying a Brooks saddle

The interests of all states are always balanced, so there will always be industries that do better in one country than the other.

You seem to be under the impression that the EU is an autonomous authority dictating to its members, when in reality it is only those members which can make a decision for the EU.

The fact that we now have *more* EU rules to follow than we did as members was entirely predicted more than five years ago - after all that's exactly what the EU (and especially the single market, which we did not even get consulted about leaving) does, it reduces red tape.
by [XAP]Bob
11 Jun 2021, 9:19am
Forum: Helmets & helmet discussion
Topic: Evaluating the impact of cycle helmet use...
Replies: 136
Views: 4590

Re: Evaluating the impact of cycle helmet use...

pjclinch wrote: 16 Jul 2020, 8:39am Most typically cycling according to the National Standards for Cycle Training is seen as using 2 positions, Primary and Secondary. Secondary is a whole can of worms as to where it effectively is (I was involved in a consultation over teaching positioning earlier this year, it's not just a case of cut and paste from Cyclecraft) but Primary is generally reasonably easy to pin down as the middle of your lane.
--8<--
(The Cycling Scotland position teaching looks to be heading for a Secondary that's taught as at least a metre, rather than Cyclecraft's 50cm)
Interesting definitions...
I generally work on the basis of whether I choose to cycle in the left tyre track (secondary) or the right tyre track (primary) on the road - I do sometimes take the centreline of the lane, but it's not that often (usually not a great surface, and often slightly raised compared with either side, so it doesn't really hold the trike)
Although on a 'bent (especially a trike) it's very rare to get bad close passes (comparing between the same cyclist riding the same commute on mixed vehicles for a several years).

I do make sure that I return to secondary when it's (potentially) safe for the following vehicle to overtake, and obviously avoid the road craters as best I can.