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The Official Mumbai Offline Meet(G2G) Thread

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  • Rony and the rest of the Mumbai riders...a word of advice from an old fart.

    1. During emergencies Front brake and rear brake together...give bias to the front brake unless it is wet, slippery or you are in the middle of a corner.

    2. The bike swinging from side to side is natural because although you have stopped the front end with your weight being on it to keep it in line, the rear end is like a pendulum connected at the steering head. It is moving faster than the front end so it tries to "overtake" the front and hence the bike oscillates around the front end. If the oscillations are of reducing amplitude, you save the bike. If the amplitude is increasing - you are going to crash.

    PLEASE DO NOT throw your body around trying to control the oscillations because it defies the laws of physics and will not work. Worst case you will take a safely oscillating bike into out of control oscillations by contributing to the swing by shifting your weight around.

    The best move in this situation is to "feel" the bike's oscillation and you will almost instinctively shift weight forward so there is less mass on the rear wheel to amplify the oscillations (a heavier pendulum swings further...make it light!).

    Slightly releasing the front brake and allowing it to move forward will also reduce the effect of the oscillations as the delta in speeds between front and rear is less severe and now that the bike has found another avenue for it's pent up energy, it will divide the force that was originally fully contributing to the oscillations between oscillations and linear forward force. This reduces the amplitude of the oscillations as well.

    I don't know if you'll find this ghyaan written anywhere...this is just from experience. Anyone who has ridden a Karizma with it's awful front brakes will be aware of the rear sliding around during hard braking. I am comfortable with this phenomenon on a lighter bike but on a heavy bike like the MT-01 it freaks me out because there is more mass to control here!
    Kriss : 15.06.1981 - 11.10.2009
    You will not be forgotten...RIP

    Comment


    • Originally posted by TheDazzler View Post
      yeah u are right Centaur.... it definetly belongs to him... for the first time in xhbp meet(s) i found someone with similar interest in paint job's...lol
      get on the forum more

      Originally posted by gsferrari View Post
      Rony and the rest of the Mumbai riders...a word of advice from an old fart.

      1. During emergencies Front brake and rear brake together...give bias to the front brake unless it is wet, slippery or you are in the middle of a corner.

      2. The bike swinging from side to side is natural because although you have stopped the front end with your weight being on it to keep it in line, the rear end is like a pendulum connected at the steering head. It is moving faster than the front end so it tries to "overtake" the front and hence the bike oscillates around the front end. If the oscillations are of reducing amplitude, you save the bike. If the amplitude is increasing - you are going to crash.

      PLEASE DO NOT throw your body around trying to control the oscillations because it defies the laws of physics and will not work. Worst case you will take a safely oscillating bike into out of control oscillations by contributing to the swing by shifting your weight around.

      The best move in this situation is to "feel" the bike's oscillation and you will almost instinctively shift weight forward so there is less mass on the rear wheel to amplify the oscillations (a heavier pendulum swings further...make it light!).

      Slightly releasing the front brake and allowing it to move forward will also reduce the effect of the oscillations as the delta in speeds between front and rear is less severe and now that the bike has found another avenue for it's pent up energy, it will divide the force that was originally fully contributing to the oscillations between oscillations and linear forward force. This reduces the amplitude of the oscillations as well.

      I don't know if you'll find this ghyaan written anywhere...this is just from experience. Anyone who has ridden a Karizma with it's awful front brakes will be aware of the rear sliding around during hard braking. I am comfortable with this phenomenon on a lighter bike but on a heavy bike like the MT-01 it freaks me out because there is more mass to control here!
      quite similar when you do a rolling stoppie especially on the bikes with good front disc setup
      sigpic

      Comment


      • Originally posted by alankarmisra View Post
        Alankar theek hai. "Mr" thoda jyaada hai :-P
        Alankar sach sach bataa... tujhe Mr. acha laga na :P

        Comment


        • Originally posted by gsferrari View Post
          Rony and the rest of the Mumbai riders...a word of advice from an old fart.

          1. During emergencies Front brake and rear brake together...give bias to the front brake unless it is wet, slippery or you are in the middle of a corner.

          2. The bike swinging from side to side is natural because although you have stopped the front end with your weight being on it to keep it in line, the rear end is like a pendulum connected at the steering head. It is moving faster than the front end so it tries to "overtake" the front and hence the bike oscillates around the front end. If the oscillations are of reducing amplitude, you save the bike. If the amplitude is increasing - you are going to crash.

          PLEASE DO NOT throw your body around trying to control the oscillations because it defies the laws of physics and will not work. Worst case you will take a safely oscillating bike into out of control oscillations by contributing to the swing by shifting your weight around.

          The best move in this situation is to "feel" the bike's oscillation and you will almost instinctively shift weight forward so there is less mass on the rear wheel to amplify the oscillations (a heavier pendulum swings further...make it light!).

          Slightly releasing the front brake and allowing it to move forward will also reduce the effect of the oscillations as the delta in speeds between front and rear is less severe and now that the bike has found another avenue for it's pent up energy, it will divide the force that was originally fully contributing to the oscillations between oscillations and linear forward force. This reduces the amplitude of the oscillations as well.

          I don't know if you'll find this ghyaan written anywhere...this is just from experience. Anyone who has ridden a Karizma with it's awful front brakes will be aware of the rear sliding around during hard braking. I am comfortable with this phenomenon on a lighter bike but on a heavy bike like the MT-01 it freaks me out because there is more mass to control here!
          Hey thanks for that in depth gyaan supported by physics ! ... A new insight to riding has been unleashed ... BTW by throwing the body on either sides what I meant was that I tried to counter balance the swivel ... and the bike was straight within ~2-3m ... The speed had gone down to around 10kmph due to application of front and rear brakes but the momentum was high (inertia of speed) !

          A similar incident happened during my last Bhandardara-Malshej combo ride ... I was about to enter the Malshej ghat from the Otur side .... NH222 is quiet smooth & straight in this stretch .... I gained up speed upto 90kmph comfortably .... Then after few kms of steady riding suddenly I saw a bike with a pillion (and no helmets & possibly drunk) enter the road from extreme right (wrong side) ... The bike had no RVMS and rider casually rode from extreme right to extreme left at around 45 degrees or more cutting through the road .... I was coming from behind and honked heavily as I saw the bike got no RVMs .... I was planning to slip through them from left side since they were still in the opposite lane and trying to reach 1st lane on my side .... But the bike continued coming to left at a steep angle .... I kept on honking and moving further left as I had already left the 1st lane .... With hardly any time to react I kept the bike straight and maintained the speed in a view that I will pass through them safely from 2nd lane .... But my judgment had gone horribly wrong ... These guys moved further left and my bike brushed with their bike sideways with me on left and them on right ..... My right foot peg saved us from crashing into each other as it took the entire impact and broke off on the road (which I realized after analyzing the whole incident) .... Upon the impact I also applied brakes to avoid high speed crashing ... Now both the impact and the braking created a deadly swivel at around 60kmph .... My pillion (lighter than joel & of same height) was already half down on the right side with one leg on exhaust and other hanging over the seat ..... The other bike lost control almost immediately and touched ground at a very high speed ..... since they had no gears not even helmet, the wounds were severe .... My job here was to bring the lady to stop without touching the ground ... I asked my pillion to hold on and I transferred my weight on left as he was on right ... With the right foot peg gone, my right foot was on rear brake ... I pressed it gradually along with front and let the bike adjust as the road ahead was empty (thank god) ... finally the combined effort payed off and the bike came to a safe stop at around 10m from the sight of impact ... After the stop my pillion safely got down and I was thanking god that we didnt touch the ground .... I quickly got my bike parked on the left side and went back to the impact sight to see those injured bikers ..... they were stunned and still on ground .... luckily there was very less traffic that day ... I lifted their bike and put it on other side, they got up somehow with torn shirts and pants .... I could see they were a little drunk too with red eyes .... I bashed them up with strong words and asked them to get their ears checked and RVMs installed ... also to wear helmets .... still they thought it was our mistake .... I told them how can you enter the road from wrong side and then cross through all the lanes without even looking back who is coming ... Had it been a truck or bus they would have not been alive to tell the tale ... I threatened them to come to police station and get a report filed for negligent riding .... they finally accepted their mistake .... Their bike was in bad shape too .... By this time some villagers gathered at the scene and helped those guys out .... My co-riders were here and we decided to move forward after seeing the villagers attending the injured guys ... When I started my bike and took it for inspection check, I quickly realised that my right foot peg is missing .... I went back to the scene and found it on the middle of the road .... I collected it and checked the brakes and for fuel leakage ... with everything OK (as we did not hit the ground), we moved forward in search of a welder .... I knew this area since I had been there with mayur and other xBhpians as a part of my first xBhp group ride .... I took the bike to the petrol pump (which I and razor had last time visited to get his bike cleaned after the offroading to the lake jammed his bike with mud) ... We asked for a welder and luckily we were told there was one nearby .... We went there and asked the welder to get the foot peg joined back to the main frame .... But the electricity was gone and was expected by 5pm which was luckily only 10 mins away ... we waited for the electricity to come and got the peg welded .... Finally all was back to normal, but this incident left a big impact on me and I learned some important lessons from it. The most important of them was to keep cool and not get panicked ! .... The second lesson was never ever allow a pillion without RIDING GEARS ...... yes my pillion was not geared, he had only jeans, t-shirt and sports shoes to cover his body ... We had only 1 extra helmet shared between 2 pillions .... Unfortunately when the accident took place it was not my pillion's chance to wear it .... Had he fallen down on the road or worse with my bike on him, I would have to quit riding for many months or may be forever .... It was a defining moment, and I think god gave me a last chance to get my act straight ! ..... From then on I have decided, never ever take a pillion on such long rides until he is fully geared .... And with pillions not to exceed beyond 80 on highways ! .... Here again I saved the bike from touching the ground by shifting my weight counter balancing the swivel & my pillion who was hanging on right side !

          I hope you guys take this narration positively and learn from it as I did ... Safety gears are a must for both rider & the pillion on any ride short/long !

          PS:
          This is my personal experience ... The narration is based on what all I did and how at that moment ... it no where implies that its the CORRECT approach to handle such situations !
          Last edited by Rony; 12-17-2010, 01:17 PM. Reason: disclaimer !
          LIVE AND LET LIVE
          Please Contribute ->
          Weekend Getaways for Mumbai Tourers !!!

          Comment


          • Originally posted by Rony View Post
            Hey thanks for that in depth gyaan supported by physics ! ... A new insight to riding has been unleashed ... BTW by throwing the body on either sides what I meant was that I tried to counter balance the swivel ... and the bike was straight within ~2-3m ... The speed had gone down to around 10kmph due to application of front and rear brakes but the momentum was high (inertia of speed) !
            Arre rony... Thats what GS is trying to say... By trying to counter balance, you will end up increasing the pendulum effect (since you are providing it with a counter weight)... The best way is to take weight off the rear wheels (as explained by GS)...

            PS: Great skills Rony
            I like 'em Naked

            Blah Blah Blah!

            Reason is not automatic. Those who choose not to recognise it, can't be conquered by it.
            - Ayn Rand, in 'Atlas Shrugged'

            Comment


            • Originally posted by NikhilB View Post
              Arre rony... Thats what GS is trying to say... By trying to counter balance, you will end up increasing the pendulum effect (since you are providing it with a counter weight)... The best way is to take weight off the rear wheels (as explained by GS)...

              PS: Great skills Rony
              LOL ... I got that point from his explanation but im narrating the incident as is ... describing what all I did and how .. Not stating what I did was correct ... but it somehow helped me in controlling the bike from going entirely in one direction (right here since my pillion was hanging there) ... I will try to observe what GS said next time if god forbids such incident happens again ! ... And regarding skills nothing great here, some I learned by experience and some by reading xBhp threads !
              Last edited by Rony; 12-17-2010, 02:26 PM.
              LIVE AND LET LIVE
              Please Contribute ->
              Weekend Getaways for Mumbai Tourers !!!

              Comment


              • Guys any update on the DIY g2g

                Comment


                • Nothing, too busy with work.... havent seen NV confirm either.... so I guess time to DIY the DIY

                  Will have to ping Yamaha again, (just spoke with them today) but didnt mention the DIY help bit
                  Super CommuTOURer� - Talk less, Ride more

                  .: FB :.|.: TW :.|*IG*| Ex
                  PowerDrift:.

                  #Give thy opinion, write em, dont throw em
                  #Everyone errs, accept it, defending/cribbing about it only makes it worse
                  #Dont defend a manufacturer as if you work for them
                  #Write. Think. If relevant hit submit. If not hit yourself
                  #Be kind in your choice of words, you never know who would make you gulp em
                  � Satyen Poojary

                  Comment


                  • Are HeroHonda Breaking up. Plz go through this link
                    Finance News | Personal Finance | Market Investing - Yahoo! India Finance
                    Who needs a stereo when you've got a throttle ? ( Time to turn up the volume.)

                    Comment


                    • ^^^

                      yup... Check out http://www.xbhp.com/talkies/news/161...sing-pact.html
                      I like 'em Naked

                      Blah Blah Blah!

                      Reason is not automatic. Those who choose not to recognise it, can't be conquered by it.
                      - Ayn Rand, in 'Atlas Shrugged'

                      Comment


                      • Originally posted by satyenpoojary View Post
                        Nothing, too busy with work.... havent seen NV confirm either.... so I guess time to DIY the DIY

                        Will have to ping Yamaha again, (just spoke with them today) but didnt mention the DIY help bit
                        Dont get me wrong here ... but I think we can conduct a small DIY session with minimal tools (practicals) and maximum tips (theory) with doubt solving sessions .... As pointed by me earlier for initial sessions we do not need any company/sponsor/grand plan .... It can be done by mutual exchange of knowledge with a brief agenda in a pre-planned manner! ... By now instead of waiting we could have already conducted more than one DIY sessions ... no offense meant !!
                        LIVE AND LET LIVE
                        Please Contribute ->
                        Weekend Getaways for Mumbai Tourers !!!

                        Comment


                        • with his skills rony will soon be a instructor at CSS
                          sigpic

                          Comment


                          • [QUOTE=nin;546155][I]



                            Yeah right...nimkar saheb tumhi kiti g2gs la aalat haan ?

                            Kay karu saheb I get very less chance for long ride has still my parents have not shown green flag for the same. but i try to attend as many g2gs as i can.
                            Who needs a stereo when you've got a throttle ? ( Time to turn up the volume.)

                            Comment


                            • Originally posted by darkknight View Post
                              with his skills rony will soon be a instructor at CSS
                              Kyun bacche ki kheech rahe ho sir?
                              LIVE AND LET LIVE
                              Please Contribute ->
                              Weekend Getaways for Mumbai Tourers !!!

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                              • Originally posted by NikhilB View Post


                                Dude can u able to attend ride on 26th. As me n rishi are planning for 1 day ride
                                Who needs a stereo when you've got a throttle ? ( Time to turn up the volume.)

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