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Road Cycling
Published
29 July 2005
Last activity
1 August 2005
Original author
Ron Hardin
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14
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  1. I got a soft belt-loop case for the new camera so took it on the daily
    commute on the bike, thinking a series of pictures might capture why
    I'm not inclined to leave rural Ohio. Alas, they just look like a
    series of pointless snapshots, the ambiance having not translated
    well, and also the dial slipped into ``candlelight'' from ``landscape''
    about halfway along so the exposures are not great ; a feature of
    point and shoot cameras.

    Here's the bike at the Kroger stop however
    http://home.att.net/~rhhardin/bike.jpg

    in daylight trim. Note the two Garmin GPS's and the airspeed
    indicator. At night, four Cateye EL-500's mount up there, after
    removing the airspeed thingy.

    Note also, barely visible to the right of the handlebar, salad tongs.
    These serve as a front derailleur. You pick up the chain and put it
    on the chainwheel you want with it.
    --
    Ron Hardin
    [email hidden]

    On the internet, nobody knows you're a jerk.

  2. "Ron Hardin" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:

    I got a soft belt-loop case for the new camera so took it on the daily
    commute on the bike, thinking a series of pictures might capture why
    I'm not inclined to leave rural Ohio. Alas, they just look like a
    series of pointless snapshots, the ambiance having not translated
    well, and also the dial slipped into ``candlelight'' from ``landscape''
    about halfway along so the exposures are not great ; a feature of
    point and shoot cameras.

    Here's the bike at the Kroger stop however
    http://home.att.net/~rhhardin/bike.jpg

    in daylight trim. Note the two Garmin GPS's and the airspeed
    indicator. At night, four Cateye EL-500's mount up there, after
    removing the airspeed thingy.

    Note also, barely visible to the right of the handlebar, salad tongs.
    These serve as a front derailleur. You pick up the chain and put it
    on the chainwheel you want with it.
    --
    Ron Hardin
    [email hidden]

    On the internet, nobody knows you're a jerk.

    I'm almost afraid to ask what's the purpose of the airspeed indicator.

  3. di said:

    I'm almost afraid to ask what's the purpose of the airspeed indicator.

    The chief limiter of speed is air drag. So say you're grinding along into
    a high wind, and your GPS indicates you're going 7 mph. It would be pretty
    frustrating, mile after mile, unless you had an airspeed indicator showing
    27 mph (35 in gusts) to root for peaks in.

    An undetectable first mph of headwind costs you 2/3 mph in ground speed, a very
    noticeable effect. You feel you must be out of sorts unless you have the
    necessary instrumentation.

    Its failing is that it only records the headwind component of wind, so the
    crosswind component goes unindicated, and a crosswind costs you speed as well.

    So you get the strange situation where your groundspeed and indicated airspeed
    both fall in a crosswind gust. This could be fixed by swivelling the airspeed
    indicator to point into the apparent wind, but I haven't done that yet.

    Google for ``Windscribe'' by Davis for the best price; it's very variable.

    --
    Ron Hardin
    [email hidden]

    On the internet, nobody knows you're a jerk.

  4. "Ron Hardin" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:
    di said:

    I'm almost afraid to ask what's the purpose of the airspeed indicator.

    The chief limiter of speed is air drag. So say you're grinding along into
    a high wind, and your GPS indicates you're going 7 mph. It would be
    pretty
    frustrating, mile after mile, unless you had an airspeed indicator showing
    27 mph (35 in gusts) to root for peaks in.

    An undetectable first mph of headwind costs you 2/3 mph in ground speed, a
    very
    noticeable effect. You feel you must be out of sorts unless you have the
    necessary instrumentation.

    Its failing is that it only records the headwind component of wind, so the
    crosswind component goes unindicated, and a crosswind costs you speed as
    well.

    So you get the strange situation where your groundspeed and indicated
    airspeed
    both fall in a crosswind gust. This could be fixed by swivelling the
    airspeed
    indicator to point into the apparent wind, but I haven't done that yet.

    Google for ``Windscribe'' by Davis for the best price; it's very variable.

    --
    Ron Hardin
    [email hidden]

    On the internet, nobody knows you're a jerk.

    I knew there had to be some good reason for it, now I know, I think.

  5. Isn't a cyclocomputer cheaper than a GPS/airspeed combo?

    But I'm missing something. Can someone tell me what?

  6. di said:

    "Ron Hardin" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:
    di said:

    I'm almost afraid to ask what's the purpose of the airspeed indicator.

    The chief limiter of speed is air drag. So say you're grinding along into
    a high wind, and your GPS indicates you're going 7 mph. It would be
    pretty
    frustrating, mile after mile, unless you had an airspeed indicator showing
    27 mph (35 in gusts) to root for peaks in.

    An undetectable first mph of headwind costs you 2/3 mph in ground speed, a
    very
    noticeable effect. You feel you must be out of sorts unless you have the
    necessary instrumentation.

    Its failing is that it only records the headwind component of wind, so the
    crosswind component goes unindicated, and a crosswind costs you speed as
    well.

    So you get the strange situation where your groundspeed and indicated
    airspeed
    both fall in a crosswind gust. This could be fixed by swivelling the
    airspeed
    indicator to point into the apparent wind, but I haven't done that yet.

    Google for ``Windscribe'' by Davis for the best price; it's very variable.

    --
    Ron Hardin
    [email hidden]

    On the internet, nobody knows you're a jerk.

    I knew there had to be some good reason for it, now I know, I think.

    I'm glad someone knows, because I don't have a clue what the heck he
    wrote or means.....Of course I live my life on the NEED TO KNOW theory
    of living.

    Maggie :-) "Sometimes ignorance is bliss."

  7. bryanska said:

    Isn't a cyclocomputer cheaper than a GPS/airspeed combo?

    A cyclocomputer is cheaper thn just the GPS alone ($15-30 vs $100-250),
    but a GPS gives you altitude, and has other uses as well (geocaching on
    bikes is fun).

  8. "Maggie" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:


    Quoted message said:


    I knew there had to be some good reason for it, now I know, I think.

    I'm glad someone knows, because I don't have a clue what the heck he
    wrote or means.....Of course I live my life on the NEED TO KNOW theory
    of living.

    Maggie :-) "Sometimes ignorance is bliss."

    I think he's trying to say he uses the airspeed indicator to tell him when
    he's riding against the wind. If it indicates his airspeed is much faster
    than his GPS indicated ground speed then of course he's riding against the
    wind. Of course there another method to determine this, but it's very
    complicated, if the bike is harder to pedal than normal you are either going
    uphill or against the wind. You have to determine which, but you have a
    50% chance of getting it right.

  9. Ron Hardin said:

    Note the two Garmin GPS's and the airspeed
    indicator. At night, four Cateye EL-500's mount up there, after
    removing the airspeed thingy.

    Note also, barely visible to the right of the handlebar, salad tongs.
    These serve as a front derailleur. You pick up the chain and put it
    on the chainwheel you want with it.

    Do you average the readings from the two GPS's? Is one a backup unit?

  10. Will said:


    Ron Hardin said:

    Note the two Garmin GPS's and the airspeed
    indicator. At night, four Cateye EL-500's mount up there, after
    removing the airspeed thingy.

    Note also, barely visible to the right of the handlebar, salad tongs.
    These serve as a front derailleur. You pick up the chain and put it
    on the chainwheel you want with it.

    Do you average the readings from the two GPS's? Is one a backup unit?

    Two screens is handy. I happen to show breadcrumb maps to different scales
    on each, the larger scale with waypoint display off.

    The newer unit was to replace the older, which had its page button fall off.
    However, my temporary repair with a squished-up packing peanut (you have to use
    a kind that doesn't crack when squished) and high quality 3M electrical tape
    has held up for years now, so I have two.

    --
    Ron Hardin
    [email hidden]

    On the internet, nobody knows you're a jerk.

  11. In article <[email hidden]>,

    Ron Hardin said:

    Here's the bike at the Kroger stop however
    http://home.att.net/~rhhardin/bike.jpg

    Your general config is /so/ similar to mine! Is that
    an active light or passive reflector on the left
    fork blade? I've got a little battery LED light
    there, myself, to supplement the Union generator
    headlight which is mounted in the usual fork crown
    brake-bolt-hole location.

    And what the heck is that box-y looking thing
    you're using for a front fender mudflap?

    cheers,
    Tom

    --
    -- Nothing is safe from me.
    Above address is just a spam midden.
    I'm really at: tkeats [curlicue] vcn [point] bc [point] ca

  12. Tom Keats said:


    In article <[email hidden]>,

    Ron Hardin said:

    Here's the bike at the Kroger stop however
    http://home.att.net/~rhhardin/bike.jpg

    Your general config is /so/ similar to mine! Is that
    an active light or passive reflector on the left
    fork blade? I've got a little battery LED light
    there, myself, to supplement the Union generator
    headlight which is mounted in the usual fork crown
    brake-bolt-hole location.

    And what the heck is that box-y looking thing
    you're using for a front fender mudflap?

    Wavy green plastic lawn edging (last seen in Kmart, in 1978)
    --
    Ron Hardin
    [email hidden]

    On the internet, nobody knows you're a jerk.

  13. Ravi said:

    and the rear view mirror, lots of people i have seen have the ones
    mounted on their glasses. Why did u opt for the handlebar mounted mirror
    ? Is it of much help ? especially you gotto be at the correct angle to
    make use of it...

    The helmet kind doesn't give a combined view of road and dog

    http://home.att.net/~rhhardin/trailer2.jpg

    The on-the-bar kind gets both in the same view. I haven't had much
    of an angle problem, having only two hnd positions (on the bar-extenders or on
    the hand grips, and mirror-wise they're pretty close).

    The advantage of the mirror turns out not to be detecting traffic for
    turns but letting you ride out on smooth road surface when there's no
    car in sight, rather than suffering the bumps that happen to be in the
    road edge zone. If you can see the milk crate edge, you can see the road.

    Typically ears pick up traffic before the mirror, but you like verification,
    out on empty roads.
    --
    Ron Hardin
    [email hidden]

    On the internet, nobody knows you're a jerk.

  14. In article <1122790401.540686@sj-nntpcache-3>,

    Ravi said:

    and the rear view mirror, lots of people i have seen have the ones
    mounted on their glasses. Why did u opt for the handlebar mounted mirror
    ? Is it of much help ? especially you gotto be at the correct angle to
    make use of it...

    I'm currently using a Mirrycle Mountain Mirror:
    http://tinyurl.com/dvrut

    It's convex so it shows a fairly wide field of view. It's
    quite easy to adjust, and it holds its adjustment well.
    I think it gives a brighter image than other mirrors I've
    used. But it does have some distorting magnification effects
    ("objects in mirror are closer than they appear."😉 The
    mirror is more or less permanently attached in the handlebar
    end with something similar to the stem/wedge design.

    One nice feature of the mirrors that attach to the
    handlebar with a velcro strap is, you can easily
    twist them around when going up or down hills. But
    they typically have a ball & socket connection that
    renders the mirror part easily knocked off by people
    brushing by your bike when it's parked.

    cheers,
    Tom

    --
    -- Nothing is safe from me.
    Above address is just a spam midden.
    I'm really at: tkeats [curlicue] vcn [point] bc [point] ca

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