Went out with a GPS speedo the other night, and down-rated my cycle speedo by a few percent as a result. I'm not sure if the GPS is a little pessimistic, especially if it loses its signal. It saw a moving average of 10mph on varied hillyness. I wasn't pushing it by any means, and I was also exploring and finding new routes, but I'm sure I used to cycle somewhat faster.
Problem is, does a paltry 10mph disqualify me from the social rides at York? I remember hearing that the year before they went quite fast. Last year I didn't take part in any of the rides.
- Richard
-- _/_/_/ _/_/_/ _/_/_/ Richard dot Corfield at ntlworld dot com _/ _/ _/ _/ _/_/ _/ _/ Time is a one way street, _/ _/ _/_/ _/_/_/ Except in the Twilight Zone.
Went out with a GPS speedo the other night, and down-rated my cycle speedo by a few percent as a result. I'm not sure if the GPS is a little pessimistic, especially if it loses its signal. It saw a moving average of 10mph on varied hillyness. I wasn't pushing it by any means, and I was also exploring and finding new routes, but I'm sure I used to cycle somewhat faster.
Problem is, does a paltry 10mph disqualify me from the social rides at York? I remember hearing that the year before they went quite fast. Last year I didn't take part in any of the rides.
The CTC Saturday "A" ride here averages 12-13mph. The "B" ride is quite a lot slower.
The local road club average nearly 20mph, touching 28mph on the flat, but they're nuts.
Went out with a GPS speedo the other night, and down-rated my cycle speedo by a few percent as a result. I'm not sure if the GPS is a little pessimistic, especially if it loses its signal. It saw a moving average of 10mph on varied hillyness. I wasn't pushing it by any means, and I was also exploring and finding new routes, but I'm sure I used to cycle somewhat faster.
I'd trust your cycle speedo over the GPS especially if it has been calibrated with a roll out
I'd trust your cycle speedo over the GPS especially if it has been calibrated with a roll out
I'd started with a roll-out, then did a measured 10 miles and checked measured distance against the map, and applied a correction factor. I'd not rechecked it though. Perhaps I ought to. The GPS is meant to be very accurate, assuming steady state. The software seems to do some averaging. If you take a sharp turn, your GPS track continues in its old direction for a second or so. This made direct comparison quite difficult.
- Richard
-- _/_/_/ _/_/_/ _/_/_/ Richard dot Corfield at ntlworld dot com _/ _/ _/ _/ _/_/ _/ _/ Time is a one way street, _/ _/ _/_/ _/_/_/ Except in the Twilight Zone.
In news:[email hidden], Richard Corfield <[email hidden]> expounded sagaciously:
Quoted message said:
Went out with a GPS speedo the other night, and down-rated my cycle speedo by a few percent as a result. I'm not sure if the GPS is a little pessimistic, especially if it loses its signal. It saw a moving average of 10mph on varied hillyness. I wasn't pushing it by any means, and I was also exploring and finding new routes, but I'm sure I used to cycle somewhat faster.
Problem is, does a paltry 10mph disqualify me from the social rides at York? I remember hearing that the year before they went quite fast. Last year I didn't take part in any of the rides.
- Richard
Anything less than 24.7 mph average over 73.67 miles marks you out as a wimp who must not even contemplate sitting in the gloriouis saddle of imblegentiousness, and should seriously contemplate self-mutilation of some form, preferably involving a turnip. -- Morton Burner
Anything less than 24.7 mph average over 73.67 miles marks you out as a wimp who must not even contemplate sitting in the gloriouis saddle of imblegentiousness, and should seriously contemplate self-mutilation of some form, preferably involving a turnip.
Morrisons to turnips - would that be the purple veriety or the spotted pink ones?
- Richard ;-)
-- _/_/_/ _/_/_/ _/_/_/ Richard dot Corfield at ntlworld dot com _/ _/ _/ _/ _/_/ _/ _/ Time is a one way street, _/ _/ _/_/ _/_/_/ Except in the Twilight Zone.
I'd started with a roll-out, then did a measured 10 miles and checked measured distance against the map, and applied a correction factor. I'd not rechecked it though. Perhaps I ought to. The GPS is meant to be very accurate, assuming steady state. The software seems to do some averaging. If you take a sharp turn, your GPS track continues in its old direction for a second or so. This made direct comparison quite difficult.
You'd have trouble measuring a map to few percent. The GPS does positional accuracy reasonably well these days but speed and distance have various errors. Distance as you noticed because it only logs position at regular intervals so approximates the curved path as straight lines and speed because either it does inaccurate distance over time or doppler on the satellite signal, both of which have errors.
In news:[email hidden], Richard Corfield <[email hidden]> sed
Quoted message said:
Morton Burner said:
Anything less than 24.7 mph average over 73.67 miles marks you out as a wimp who must not even contemplate sitting in the gloriouis saddle of imblegentiousness, and should seriously contemplate self-mutilation of some form, preferably involving a turnip.
Morrisons to turnips - would that be the purple veriety or the spotted pink ones?
- Richard ;-)
Purple on the way in, spotted pink on the way out. -- Morton Burner
: Problem is, does a paltry 10mph disqualify me from the social rides at : York? I remember hearing that the year before they went quite fast. Last : year I didn't take part in any of the rides.
To answer the question: no, you'll be fine.
Don't go on the 'Fast' ride, or the A one. They are indeed fastish. Their are shorter/slower riders are well. Have a word at the info tent the night before or with the ride leader on the morning.
If you can do 10mph on your own and feel you can go faster you should be ok for a group ride at 12mph and there's a couple of suitable rides at the rally next year.
I won't be there for the first time in a few years, but since that's because I'm off to the alps, it doesn't seem too much of a shame!
Arthur
-- Arthur Clune http://www.clune.org "Technolibertarians make a philosophy out of a personality defect" - Paulina Borsook
Went out with a GPS speedo the other night, and down-rated my cycle speedo by a few percent as a result. I'm not sure if the GPS is a little pessimistic, especially if it loses its signal. It saw a moving average of 10mph on varied hillyness. I wasn't pushing it by any means, and I was also exploring and finding new routes, but I'm sure I used to cycle somewhat faster.
Problem is, does a paltry 10mph disqualify me from the social rides at York? I remember hearing that the year before they went quite fast. Last year I didn't take part in any of the rides.
- Richard
I am considering doing my own thing, none of the rides appeal to me at the show, partly as I want to go for a 70 miler and partly as I regularly ride some of the roads around York. Thus I am thinking about a ride out to the coast for some sea air.
Problem is, does a paltry 10mph disqualify me from the social rides at York?
Quoted message said:
I am considering doing my own thing, none of the rides appeal to me at the show, partly as I want to go for a 70 miler and partly as I regularly ride some of the roads around York. Thus I am thinking about a ride out to the coast for some sea air.
Ditto. the rides don't really appeal. I'm hopefully off to see some friends at a pub in Rawlcliffe near Goole on the Saturday and to stay at the Rally on Sunday. I'll be riding back to Hampshire with my daughter on Mon/Tues.
Ditto. the rides don't really appeal. I'm hopefully off to see some friends at a pub in Rawlcliffe near Goole on the Saturday and to stay at the Rally on Sunday. I'll be riding back to Hampshire with my daughter on Mon/Tues.
We'll probably see how we feel when we get there. The evening social sounded interesting to me, as we're likely to be arriving on Saturday not Friday, and we'll be cycling there with tent from Harrogate. I must book for this, though we also have some friends in York if camping fails.
- Richard
-- _/_/_/ _/_/_/ _/_/_/ Richard dot Corfield at ntlworld dot com _/ _/ _/ _/ _/_/ _/ _/ Time is a one way street, _/ _/ _/_/ _/_/_/ Except in the Twilight Zone.
: I am considering doing my own thing, none of the rides appeal to me at the : show, partly as I want to go for a 70 miler and partly as I regularly ride : some of the roads around York. Thus I am thinking about a ride out to the : coast for some sea air.
Ah, cyclists, social to the last. Unless you know a shorter route to the sea from York than I do though you'll be getting more than 70 miles in if you want to get your feet wet.
Arthur
-- Arthur Clune http://www.clune.org "Technolibertarians make a philosophy out of a personality defect" - Paulina Borsook
Ah, cyclists, social to the last. Unless you know a shorter route to the sea from York than I do though you'll be getting more than 70 miles in if you want to get your feet wet.
Isn't there an annual ride to the sea coming up later in the year? Whetherby to Whitby or something?
- Richard
-- _/_/_/ _/_/_/ _/_/_/ Richard dot Corfield at ntlworld dot com _/ _/ _/ _/ _/_/ _/ _/ Time is a one way street, _/ _/ _/_/ _/_/_/ Except in the Twilight Zone.
Ah, cyclists, social to the last. Unless you know a shorter route to the sea from York than I do though you'll be getting more than 70 miles in if you want to get your feet wet.
Isn't there an annual ride to the sea coming up later in the year? Whetherby to Whitby or something?
- Richard
Wetherby to Filey June 20th. I met a bloke on Sunday near Scammonden Dam who said he was doing it. I think he said two weeks time.
I am considering doing my own thing, none of the rides appeal to me at the show, partly as I want to go for a 70 miler and partly as I regularly ride some of the roads around York. Thus I am thinking about a ride out to the coast for some sea air.
Ah, cyclists, social to the last. Unless you know a shorter route to the sea from York than I do though you'll be getting more than 70 miles in if you want to get your feet wet.
Arthur
More than 70 miles is even better. I want to pile the miles in this summer, I'm going to miss the weekend coming as I am going to some motorcycle racing. Not sure I'll get my feet wet but I may have some fish & chips and candy floss in Brid. How far do you reckon then Arthur ? That part of Yorkshire is (even more) alien to me than some of West Yorkshire.
: More than 70 miles is even better. I want to pile the miles in this summer, : I'm going to miss the weekend coming as I am going to some motorcycle : racing. Not sure I'll get my feet wet but I may have some fish & chips and : candy floss in Brid. How far do you reckon then Arthur ? That part of : Yorkshire is (even more) alien to me than some of West Yorkshire.
York -> Flanborough Head via a reasonable route is 108 miles.
Brid a bit less but still near the ton.
Arthur
-- Arthur Clune http://www.clune.org "Technolibertarians make a philosophy out of a personality defect" - Paulina Borsook
More than 70 miles is even better. I want to pile the miles in this summer, I'm going to miss the weekend coming as I am going to some motorcycle racing. Not sure I'll get my feet wet but I may have some fish & chips and candy floss in Brid. How far do you reckon then Arthur ? That part of Yorkshire is (even more) alien to me than some of West Yorkshire.
York -> Flanborough Head via a reasonable route is 108 miles.
Brid a bit less but still near the ton.
Arthur
That'll do nicely. I will probably wake at about 5am in my tent so I'll get a good early start.
