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    • CommentAuthort.e.d
    • CommentTimeMay 24th 2011
     
    I'm sure that puts quite a bit of stress on your hub.
    •  
      CommentAuthorsvelocity 
    • CommentTimeMay 24th 2011
     
    t.e.d:I'm sure that puts quite a bit of stress on your hub.


    How is it any different than on the right side?

    I've seen this on a few fixed/SS bikes. I've never inquired but the only logical reason I can think of for switching your crank to left side is to extend the life of the chainring and cog.
    • CommentAuthort.e.d
    • CommentTimeMay 24th 2011
     
    If it's fixed, then regular riding would mean that the pulling stresses on the cog will be outward, towards the lockring, rather than inward toward the hub. I would imagine it wouldn't be a HUGE issue if you're not using much backpressure on the pedals, but it can't be good for the threads. Just say'n.
  4.  
    With the drive side on the left, the pedal threading is exactly reversed from what is intended to prevent the pedals from unscrewing by themselves while pedaling forward.

    It used to be that way on automobile lug nuts as well. If you backed out of the garage too fast after mounting wheels/tires onto the drums/rotors, the lug nuts could loosen if not sufficiently tightened. :face-sad:

    OKB
  5.  
    With the drive side on the left, the bottom bracket mounting is also reversed. Any forward rotation that would ordinarily tend to "tighten" the cups and lock ring, now act to loosen them.

    Might be clever for hipsters, but not for engineers! :face-devil-grin:

    OKB
    • CommentAuthort.e.d
    • CommentTimeMay 24th 2011
     
    Old Knotty Buoy:With the drive side on the left, the bottom bracket mounting is also reversed. Any forward rotation that would ordinarily tend to "tighten" the cups and lock ring, now act to loosen them.

    Might be clever for hipsters, but not for engineers! :face-devil-grin:

    OKB


    I'm not so sure that the BB would be as affected, as it's symmetrical, and can still be used properly.
  7.  
    t.e.d,

    You might be right, I'm really not sure. I'll have to ponder this a while.

    There are two cases I think.

    1) Old style BB with cups with an "intended orientation" of drive side cup on the right and non-drive side cup and lock ring on the left.

    2) Cartridge style BB for three piece crank where the drive side crank is attached via the square taper and bolts into the spindle. The non drive side is attached the same way. You would think you could install the BB as normal and then just attach the cranks as you wish. This is where I'm not so sure. Somehow I think there is an orientation of the BB spindle so one side (normally the drive side) threads on right handed and the non drive side threads on left handed. I'm Old School so I really don't have enough experience to talk about the newer BB's and the splined tools needed to work them and how they thread and mount to the bike.

    Now I'm confused! Maybe this works in the southern hemisphere or in those countries where you drive on the other side of the road!

    OKB

    :face-plain:
  8.  
    Some more thoughts about left side drives.

    Are Chain Rings machined so as to be used on right side drives mostly?

    The chain rings I would imagine, need to be perfectly symmetrical when machined if they are to be used as either left or right side drive. That is, the cogs have to be perfectly symmetrical and any grooves for helping the chain to jump onto the cogs have to be symmetrical also or non existent. I think that the cogs on most chain rings have a steeper face than trailing edge. I might just be imaging this.

    OKB

    :face-plain:
    •  
      CommentAuthorVelo Cult
    • CommentTimeMay 24th 2011 edited
     
    Left side drive is OK if done right. Perfectly OK. BMX riders that grind rails goofy foot have been doing this for years. They however have left side freewheels and cranks that are reverse threaded for the pedals.

    With that being said you do have some issues with the bike above

    1)the pedal threads are now opposite which means you can possibly rotate the pedals right off of the cranks. This is why cranks have opposite direction threading on one side so you don't encounter this issue.

    2)the fixed gear cog and lockring are now working in the wrong direction. The cog should be tightening as you pedal, not loosening. The way this is set up it is relying on the threads of the lockring to hold it all together. The problem with that is the lockring only has like two threads where the cog has probably 8 threads. The probability of threading the cog off is much greater. Luckily the bike has a brake though for an emergency stop.
  10.  
    Thanks Sky

    :face-monkey:
    • CommentAuthorAlanKHG
    • CommentTimeMay 24th 2011
     
    I use the brake for all my stopping so I'm not too aggro on the drivetrain. I'll probably swap the drivetrain when I get a 15mm socket to pull the cranks (that's one tool that's been on my list for yeaaaaars). The components don't look worn down enough that the reverse setup is actually necessary.


    I should have brought my real camera; my cell phone's is terrible.
    (The tiny white spot just above the rightmost arch is a brake lever, by the way.)
    •  
      CommentAuthorSigurd
    • CommentTimeMay 24th 2011
     
    That's a beautiful spot and one that inspires me to go out riding.

    AlanKHG:I should have brought my real camera; my cell phone's is terrible.
    (The tiny white spot just above the rightmost arch is a brake lever, by the way.)
    I will take your word for that there is a bike in there someplace!
    :face-monkey:
    •  
      CommentAuthorHMeins
    • CommentTimeMay 25th 2011
     
    The crankset on Alan's bike looks like Sugino Mighty. It could well be a tandem captain's crankset in which case the pedal threading would be on the correct side. I've heard of people using this setup for left drive fixed gear. The cog would not need a lock ring in this case. Good luck taking it off!
    • CommentAuthorAlanKHG
    • CommentTimeMay 25th 2011
     
    The pedal threads are definitely standard.

    The side of the rear hub not in use is fixed with stripped-looking threads, so now I'm thinking that the rear hub is probably a suicide setup on the freewheel side, rather than a fixed-fixed hub as I had assumed. So the reversed drivetrain is probably there to keep hub from coming off.

    The previous owner probably should have spent his money on a new rear wheel instead of the lime green Velocity B43 the bike came with in front :face-smile:
    Now I'll just have to sell the B43 and buy a replacement wheelset, which should come out about even.
    •  
      CommentAuthorSigurd
    • CommentTimeMay 25th 2011
     
    Yeh-haw!



    Hope you don't mind I placed a bike in the picture, Alan!
    :face-monkey:
  16.  
    Is that near the Torry Pines Golf Course?

    OKB
    • CommentAuthorbilld
    • CommentTimeMay 25th 2011
     
    Location?
    • CommentAuthorthom
    • CommentTimeMay 25th 2011
     
    Isn't the rule that you don't post the previous location until you post a new tag?
    • CommentAuthort.e.d
    • CommentTimeMay 25th 2011
     
    thom:Isn't the rule that you don't post the previous location until you post a new tag?


    Yup. Right there in the rules.
    •  
      CommentAuthorHMeins
    • CommentTimeMay 25th 2011
     
    That's in my old neighborhood!
    •  
      CommentAuthorSigurd
    • CommentTimeMay 25th 2011 edited
     
    Let's change gears a little - within easy reach for some and a little more challenging for others. Either way, it shouldn't be too terribly hard to find for everybody here.

    Go get it today - the day isn't over yet!

    •  
      CommentAuthorSigurd
    • CommentTimeMay 25th 2011 edited
     
    Old Knotty Buoy:Is that near the Torry Pines Golf Course?

    billd:Location?

    This was the location for the last tag. There is another similar "corkscrew" bridge a little bit further to the north. Local folklore has it that there is a secret village of Munchkins somewhere in these hills.

    It is a fantastic -- no, magical! -- place to bicycle - quiet, twisty roads with a good selection of hilly routes to climb to the summit for those so inclined.

    Also, I have updated the Bike-o-Rama map with the latest finds.
    • CommentAuthorFitz
    • CommentTimeMay 25th 2011
     
    Mine.
    Npark
    • CommentAuthorPraxis
    • CommentTimeMay 26th 2011
     
    Sigurd:
    This was the location for the last tag.


    That's why I love this thread. I'm hopeless on getting to these in time (or even knowing where many of them are), but I live under 5 miles away from here and had no clue it existed. I'm a SD native, too. Thanks for the fun, guys, even if it's mainly vicarious.
    • CommentAuthorAlanKHG
    • CommentTimeMay 26th 2011 edited
     
    Praxis:
    Sigurd:
    This was the location for the last tag.


    That's why I love this thread. I'm hopeless on getting to these in time (or even knowing where many of them are), but I live under 5 miles away from here and had no clue it existed. I'm a SD native, too. Thanks for the fun, guys, even if it's mainly vicarious.

    I think the sharing of people's favorite hidden locations is an even better part of the game than giving people an excuse to ride their bikes (most of have the commute for that). They're what make a place truly special, even magical.
    • CommentAuthorFitz
    • CommentTimeMay 26th 2011
     
    Here's the new one.

    Tony

    Last one was the North Park sign near 30th and University.
    •  
      CommentAuthorSigurd
    • CommentTimeMay 26th 2011
     
    Fitz:Here's the new one.
    Good one, Fitz!

    AlanKHG:I think the sharing of people's favorite hidden locations is an even better part of the game than giving people an excuse to ride their bikes (most of have the commute for that). They're what make a place truly special, even magical.
    Alan, you are raising an interesting point: The objective of the SD Bike-o-Rama thread is to present places "that everybody knows", in order to get participation from as many members as possible (as opposed to those that are the fastest, with the most time on their hands, with the most local knowledge, and so other special skills or resources) - think location in the spirit of the "Hillcrest Sign" or "Crystal Pier".

    Favorite hidden locations, however, are different - these are locations that most people don't know about, but should -- somewhere new to discover!

    The typical location for each of the two objectives are therefore different, if not even conflicting. But I, too, have favorite "secret" spots that I would like to share with the good members of this forum

    I wonder if there is room for a "Discovery Bike-o-Rama", where members posted favorite secret or less known locations, perhaps with some location data (or even an address or coordinates), and people would record their visit to the place with a photo of their own. Each location would be permanent, there would be no time limits or requirement to be first: Anybody can claim, any number of members can claim - kind of like geocaching, if anybody here is familiar with that game (which is awesome, BTW!).

    A "Tag" post could contain:

    Photo of bike on location
    Description of site and what makes it interesting (view, artifact, historical event, etc)
    Location description and directions, as applicable (incl. Googlemaps link)

    We could support Discovery game with data such as "Most Popular Tag", "Most Prolific Finder" and "Most Prolific Tagger" (Google Docs), to introduce some element of competition in the game.

    What do folks think about the idea?
    • CommentAuthort.e.d
    • CommentTimeMay 26th 2011
     
    I rode past Petco Park 30 minutes ago. Damn. Good spot though. Maybe I'll ride down tonight and snag it.
    • CommentAuthort.e.d
    • CommentTimeMay 26th 2011
     
    • CommentAuthorAlanKHG
    • CommentTimeMay 26th 2011
     
    Sigurd:
    Fitz:Here's the new one.
    Good one, Fitz!

    AlanKHG:I think the sharing of people's favorite hidden locations is an even better part of the game than giving people an excuse to ride their bikes (most of have the commute for that). They're what make a place truly special, even magical.
    Alan, you are raising an interesting point: The objective of the SD Bike-o-Rama thread is to present places "that everybody knows", in order to get participation from as many members as possible (as opposed to those that are the fastest, with the most time on their hands, with the most local knowledge, and so other special skills or resources) - think location in the spirit of the "Hillcrest Sign" or "Crystal Pier".

    Favorite hidden locations, however, are different - these are locations that most people don't know about, but should -- somewhere new to discover!

    The typical location for each of the two objectives are therefore different, if not even conflicting. But I, too, have favorite "secret" spots that I would like to share with the good members of this forum

    I wonder if there is room for a "Discovery Bike-o-Rama", where members posted favorite secret or less known locations, perhaps with some location data (or even an address or coordinates), and people would record their visit to the place with a photo of their own. Each location would be permanent, there would be no time limits or requirement to be first: Anybody can claim, any number of members can claim - kind of like geocaching, if anybody here is familiar with that game (which is awesome, BTW!).

    A "Tag" post could contain:

    Photo of bike on location
    Description of site and what makes it interesting (view, artifact, historical event, etc)
    Location description and directions, as applicable (incl. Googlemaps link)

    We could support Discovery game with data such as "Most Popular Tag", "Most Prolific Finder" and "Most Prolific Tagger" (Google Docs), to introduce some element of competition in the game.

    What do folks think about the idea?

    I think we'll be running out of obvious places sometime soon, in any case. The Pittsburgh game definitely tended toward more obscure places; I think relatively obscure places fit in just fine in this game as long as someone out there can figure them out, and the time limit will guarantee it doesn't get stuck. Of course, the city of Pittsburgh covers far less land area, but there's a lot packed into it.
    • CommentAuthorthom
    • CommentTimeMay 26th 2011
     
    I think we'll be running out of obvious places sometime soon, in any case.


    I agree with everything about Alan's post above except this statement! :face-angel:
    • CommentAuthort.e.d
    • CommentTimeMay 26th 2011
     


    The new summer fling.
    •  
      CommentAuthorPaul
    • CommentTimeMay 27th 2011
     


    This was actually cached from the day before the home opener. I will defer to someone who goes out and grabs it for real unless I get there again today.
    • CommentAuthorthom
    • CommentTimeMay 27th 2011
     
    But Ted has the tag?
    •  
      CommentAuthorHMeins
    • CommentTimeMay 27th 2011
     
    Non au dopage!
    •  
      CommentAuthorPaul
    • CommentTimeMay 27th 2011
     
    thom:But Ted has the tag?


    Pre-coffee (not dope)-- my bad.
    • CommentAuthorthom
    • CommentTimeMay 27th 2011
     
    Well, I had to have my second cup before I figured out there was something off! :face-monkey:
    • CommentAuthort.e.d
    • CommentTimeMay 27th 2011
     
    Bruced 'ya, and the rules state that the catch has to be shot after the tag. I'll post up a new Tag tonight.
    •  
      CommentAuthorSigurd
    • CommentTimeMay 27th 2011
     
    thom:
    I think we'll be running out of obvious places sometime soon, in any case.
    I agree with everything about Alan's post above except this statement!
    Seconded - we will not run out of suitable tag locations anytime soon.
    •  
      CommentAuthorPacMUle
    • CommentTimeMay 27th 2011
     
    Sigurd:
    Fitz:Here's the new one.
    Good one, Fitz!

    AlanKHG:I think the sharing of people's favorite hidden locations is an even better part of the game than giving people an excuse to ride their bikes (most of have the commute for that). They're what make a place truly special, even magical.
    Alan, you are raising an interesting point: The objective of the SD Bike-o-Rama thread is to present places "that everybody knows", in order to get participation from as many members as possible (as opposed to those that are the fastest, with the most time on their hands, with the most local knowledge, and so other special skills or resources) - think location in the spirit of the "Hillcrest Sign" or "Crystal Pier".

    Favorite hidden locations, however, are different - these are locations that most people don't know about, but should -- somewhere new to discover!

    The typical location for each of the two objectives are therefore different, if not even conflicting. But I, too, have favorite "secret" spots that I would like to share with the good members of this forum

    I wonder if there is room for a "Discovery Bike-o-Rama", where members posted favorite secret or less known locations, perhaps with some location data (or even an address or coordinates), and people would record their visit to the place with a photo of their own. Each location would be permanent, there would be no time limits or requirement to be first: Anybody can claim, any number of members can claim - kind of like geocaching, if anybody here is familiar with that game (which is awesome, BTW!).

    A "Tag" post could contain:

    Photo of bike on location
    Description of site and what makes it interesting (view, artifact, historical event, etc)
    Location description and directions, as applicable (incl. Googlemaps link)

    We could support Discovery game with data such as "Most Popular Tag", "Most Prolific Finder" and "Most Prolific Tagger" (Google Docs), to introduce some element of competition in the game.

    What do folks think about the idea?


    that sounds like a fun idea! i am down!
    • CommentAuthort.e.d
    • CommentTimeMay 27th 2011
     
    Personally, I like the mix in the one thread. There's some that you know right away, and some you have to think about. I think it makes the game more fun and interesting.
  42.  
    I also support the mixed 'Rama...

    There's definitely a line of 'too obscure,' but I think this is a friendly enough board that we can both police each other and give appropriate hints when necessary.

    I also don't think we'll run out of usable tags anytime soon...
    But when we do: Greater SanDiego/Tijuana Metropolitan Area O'Rama!
    •  
      CommentAuthorbatmick
    • CommentTimeMay 27th 2011
     
    I think the mixed O'rama is just fine.

    With this many people participating any tag that is too obscure will be called eventually. For the North County one an extension of the range beyond West of I5 might be necessary at some point but I still have some ideas and others surely do too.
    • CommentAuthort.e.d
    • CommentTimeMay 27th 2011
     
    After a couple days, I think people will know to drop a hint or two...:face-devil-grin:
    • CommentAuthort.e.d
    • CommentTimeMay 27th 2011
     
    Easy one.

    •  
      CommentAuthorSigurd
    • CommentTimeMay 27th 2011
     
    Good one - perhaps somebody with a super-phone can pick this one up at the end?
  47.  
    Man! Cecil and I rode back to the fountain around 10 pm. Wish I had checked this thread. Oh well, maybe next time.
    • CommentAuthorShady John
    • CommentTimeMay 28th 2011 edited
     
    Sigurd:
    Old Knotty Buoy:Is that near the Torry Pines Golf Course?

    billd:Location?

    This was the location for the last tag. There is another similar "corkscrew" bridge a little bit further to the north. Local folklore has it that there is a secret village of Munchkins somewhere in these hills.

    It is a fantastic -- no, magical! -- place to bicycle - quiet, twisty roads with a good selection of hilly routes to climb to the summit for those so inclined.

    Also, I have updated the Bike-o-Rama map with the latest finds.


    Here's a Bruce for the bridge at Castelana and Puente.



    • CommentAuthorthom
    • CommentTimeMay 28th 2011
     
    Photobucket
    • CommentAuthorthom
    • CommentTimeMay 28th 2011 edited
     
    Here's the next one. I'm sure somebody knows this one, but I'll drop some hints if needed.
    Photobucket

    Previous tag was the fountain in Balboa Park (which doesn't have a name that I could find -- wait, it might be the Bea Evenson Fountain). That's the Reuben H. Fleet Science Center in the background.

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