Any question answered...

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  • A confident appeal, but I'm going to need to see your working.

  • In the head tube, to help even out weight distribution and tyre deflection.

  • What is this?


    1 Attachment

    • 50DE8CCD-D2CF-4D59-80CF-3A0AC78BFFF3.jpeg
  • Exec version of a baseball card/bubblegum pack?

  • This is kinda what I was hoping.

    It looks like stickers/trading cards but I suspect the origin is a lot more boring

  • Bangladeshi Chewing Tobacco:
    https://www.daraz.com.bd/products/momo-z­arda-20-gm-i132476429.html

    That doesn't answer who the righteous dude on the pack is.

  • As close as possible to the centre of mass of the frame, so that it doesn't make the bike respond in any unexpected or unusual way when peeling off the front of the paceline.

    Assumption: pursuit = team pursuit; maximize benefit = minimize adverse effects

  • As close as possible to the centre of mass of the frame, so that it doesn't make the bike respond in any unexpected or unusual way

    It's <1% change in bicycle mass, and we can assume that the rider and/or team will train thoroughly with the ballasted bike before riding the record attempt/championship race.

  • In that case, below the center of mass to provide a stabilizing moment to keep the bike upright when accelerating a big gear at the start of the race (or reduce rider effort required to stabilize the bike).

  • It's <1% change in bicycle mass

    But yeah, of course this. Real answer: it doesn't matter as it makes no significant difference.

    Second real answer: put it wherever the rider expects the benefit will be highest, for placebo effect.

  • I'd recommend Fusion 360 too.

  • Inside the seatpost to minimize impact on the movement of the bike while pedalling, an easy to swap in an unballasted seatpost later rather than faffing about removing glue.

  • Outstanding!!!

    Thanks so much, I suppose the guy can remain a mystery

  • Anyone done the intensive one week driving lessons thing? Recommendations? Since I'm not going to be going anywhere this holiday, I was thinking of using my time off to do that instead. Ideally it would then make taking smaller trips in the future simpler.

  • Ignoring your second point, which is irrelevant to "physics problem" type questions, and allowing for your first by assuming an ISP to bring your answer in line with the rules, what physical parameter does your answer affect, and how does that effect the effect you claim?

  • Has anyone got a reliable French translation of Dylan Thomas' "Do not go gentle into that good night". I have seen literal translations but I want a version that has correct imaginary and nuances.

  • As an ex instructor I'd say they're generally pretty good. Doing an hour or so at a time wastes a lot of lesson time getting back into the swing of things. A full week of stuff can be quite intense though, if you've got the time then I reckon do it kinda semi intensive, about 4 hours a day, stop in the middle of that and have a ten or fifteen minute chill out, maybe a couple of 5 minute breaks around the other hour marks as there's a lot of concentration needed and you'll make better progress after a few minutes out of the car. Knowing how to ride a bike around gives you a big advantage in regards to knowing how roads works and predicting traffic, main bits to learn are how a car works and making your observations and checking mirrors at the right time, can practice that on the bike too for free, ride around, pretend you're in your sick whip, and think about which mirrors you'll be checking approaching lights and junctions and when, and do a little look towards them, mainly up and left often, with a look left or right thrown in when turning or changing lane, normal turning your head to look around fits in with that pretty well. You'll probably be looking at about 30 hours of in car instruction as an average minimum.

  • Stick the big weights on the pedals, once you're up to speed you get extra flywheel effect, or up your bum.

  • Cheers, dude. Any info on reputable/good value schools (in London)?

    I have driven in the past which may help. But not since I was 16/17. Which is, unfortunately, a very long time ago now.

  • I did one, albeit 10 years ago. Found it pretty good (although no other experience to compare it to). One thing that was good about the one I did was that you did it in pairs, so you would do an hour, then the other person would do an hour. Since you started at the same point you got a decent amount of reinforcement even whilst sat in the back

  • Stick the big weights on the pedals

    It's one ballast sphere, and it has to go in the frame.

    If you wanted a flywheel, the rim is the best bang for your buck, see Mavic Comete +/- and Sosenka's heavy wheels for examples of when it has been done in the past.

  • How much driving did you do when 16/17? I found the transition really easy but I drove a lot beforehand and only needed a couple of hours 1:1 to pass the test.

  • More than the normal Brit would, less than the normal American? I drove to/from high school for about a year.

  • I'm trying to give the additional weight minimal lateral movement throughout the pedal stroke, since the light bike moves under the overwhelming mass of the rider.

  • OK you may find it not so hard then. Get an automatic if you are not happy with stick shift. I did mine with RAC as I had to do the theory and practical to get my license, and it was pretty straightforward. My chat with the assessor was interesting - he said in all of his years he had never had an American or Canadian fail the test with him and had good things to say about North American driver training. You'll be fine, and being a cyclist will give you far better road awareness than the average person.

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Any question answered...

Posted by Avatar for carson @carson

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