tank_rider

Not really, any dents to a tube like that will lead to weakening along the entire tubes length. To be honest if you had presented me with the frame in the condition it was in when you sent it back to supercycles i would have come to the same decision. It has been abused, the chainstays are pretty damaged. Yes you are allowed to learn to sidehop, but a bit of hose pipe zip tied on does a bloody good job of preventing damage. The chainstays on my base are vistually perfect, yet i learnt to sidehop on it, its not difficult to put some protection in place to prevent damage. I'm not saying that any amount of protection would have prevented the cracking, but it might have given you half a chance of convincing supercycles that you hadnt abused the frame if you had at least tried to take care of it. You yourself said you saved for ages to get the money together for the bike, so why not take a few simple steps to protect it? That bash plate has been landed on HARD several times, and whilst the design of the mount may not be the strongest in the world (I would have though a slightly bigger mount would have been a bit more sensible) the frame is designed to be light, and therefore is open to damage if used heavily. I know i'm not the smoothest rider in the world and tend to hit my downtube from time to time therefore i wouldnt go for a lightweight coust, it's pretty simple thinking really. I went for a set of light forks and so when they cracked i was not suprised, I'll be going for something a little more burly next time, or just know that they wont last me years. Personally i think the ONZA crash replacement policy is excellent, it means that when you do break something you have some sort of way in which to get back riding without having to shell out full price on new parts. The plus side for ONZA being that they get customer loyalty.

YAY, another year of uni down, just one left (Y) My plans for the summer are full time work in a proper engineering job, but riding most weekends with any luck.

i'm not bethered about how loud mine is (although mine is pretty loud at the moment) so long as it works properly and doesnt skip.

mine seems to be fine. 3meg/sec :huh: is it from any site you are having problems or just a specific one, as my engodidee downloads are usually slow, so it may be a slow site/server.

My dear god, that is silly. Pro table football anyone?

i think about 6ft seems to be the standard people want to get to minimum these days. Although it all depends what you like doing. I'm pretty gap hapy so can do a bit bigger, but its all down to personal preferance and ability. You will get better you will just need to practice. Finding the best technique for you is a good idea, just try loads of different take off positions etc and see which makes you fly furthest :P

I have done mine upwards of 10 times when riding. I think it all depends how bad it was and which direction it came out in. Did you have to go to hospital to get it put back in? Which direction did it come out in? Sideways, upwards, downward, etc Did you do it riding? If you did it is well worth going and seeing a physio about it, and get some strengthening exercises to do, as once it starts happening it will just get worse and worse. I ended up having the cartelidge in mine recontructed which is not a nice as it means completely loosing the use of an arm for upwards of two months.

i ran a set of forks like that for over a year, no problems, they didnt break on the steerer in the end either.

well ive done it :unsure: get on your knees behatch :unsure: right first thing you need to find the current in the upper part of the circuit over the two parallel resistors (3 and 6). V through both resistors is the same. The voltage through the 3 ohm resistor is 6V, divide that by the 6 ohm resistor to get 1 amp flowing through it. Add those currents together to get 3A which is the current flowing through the top part. The total resistance from the top part is 9 ohms. The voltage this gives is 9x3=27V, just as you said it does :) Now onto the current in the lower part. The total resistance is 15 ohms. The total current passing through the lower part is 27/15=1.8 the 11 ohm resistor takes 11x1.8=19.8V from the 27. 27-19.8=7.2V left for the resistors in parallel. finally 7.2/12=0.6A :) you best be greatful (Y)

right reading through my electronics book i have been being a tard :) ill have a bosh and see what i can come up with

what sort of answers do you think it should be?

adding my 2p i'd say the resistance is 5.25ohms and voltage is 11.25V resistors in parallel are combined by 1/R+1/R=1/R resistors in series are added together R+R=R current (I) is constant throughout the circuit.

Surely if it is tight, and you have done your stem bolts up properly, then that discounts any problems with the star fangled nut, as you can effectively take the stem cap out if you wanted and the stem would retain the pressure on the headset. This would lead me to believe it is a problem with the headset itself or the fitting of it. Have you taken the headset apart and checkd the bearings dont have any play in them, also check that the top compression cup hasnt been deformed though use when loose, as this can cause continued problems once the looseness has been initially resolved.

Wormy, additional piece of information, on impact, the club head acts like it is suspended by string. I've seen some high speed video of a golf ball being hit and indeed there are shockwaves formed throughout the ball, which last long after it has seperated with the club head, effectively causing changes in acceleration. I believe what you were trying to say was that the ball, when struck, will end up with a greater velocity than the club head previously had. Therefore you use the simple conservation of kinetic energy equation. 0.5mV^2 which shows that the velocity of the club has a larger factor on the final speed of the ball than the club head mass. Due to the fact the ball has a lower mass than the club head, its velocity after impact must be greater than that of the club head before impact, resulting in acceleration off the face of the club.

Virtual memory is basically a section of the hard drive that windows uses for storing parts of running programs that arent needed in the RAM, or if you dont have much RAM. Endohopper outlined how much there usually is, however if you have a small amount of RAM, but a large hard drive you can often prevent this error happening by manually increasing the amount of virtual memory windows has available. However this will affect the performance of your PC. Therefore it is advisable to either if you dont have much RAM (say less than 512Mb for a system running XP) get some more RAM, OR, free up some hard drive space (If you have less than say 1Gb free, OR, close some of the programs you have running (every program open uses up memory, both virtual and RAM), OR, re-start your computer (if your computer has been on for several days, and/or you have been opening lots of programs they all use up a small amount of RAM with the residual processes they leave running to aid and quicken their startup next time).

a couple you can have running over the entire evening that can lead to quite messy things are left handed drinking and double tapping. Everyone must drink using their left hand, else two fingers must be sunk. When any item is placed on a surface it must be double tapped, i.e put down once picked up and replaced again within quick succession, else its another two fingers. I have loads of things that can be added to these as well as some stand alone games. Give me a shout on msn if you want to :)

hmm, Ad you beat me to it, tis good revision for the sports engineering exam in a week :)

Really liking the style there jonny, getting more and more like mr leech every time i see a vid (Y) Ill have to get down farnborough was at some point for a ride :huh:

Heres me :huh:

hmmm, it appears she has got too skinny in the pics in the first link. Oh well.

If you see wormy you would laugh all the more for this :D about as far from a chav as you can get.

10% for me too. Wormy, we all know you have a secret stash of burberry to go with your beamer (Y)

Simon, Would it be possible to create some sort of guide to a couple of simple exercises that us trials riders can do (like the rolled up towel one you showed us today) that could help strengthen up our ankles and ward off any future problems for those who haven't already done too much damage.

Hey Em. Out of the things on your bike i would think the front wheel and forks would probably make the whole thing feel fairly heavy. My old 521 on deore you have is pretty heavy for a front wheel although the tyre (mich hot s) is nice and light. The forks (onza tuf guys) are also fairly heavy and would give you a bit of scope to save some weight. The bar and stem (echo) arent particularly heavy so i wouldnt change those.

There is a very active Road Racing scene in the bike club. There are Busa road races amongst a plethora of other races that the club competes in as well as weekly training rides and circuit traning. Time trials wise it is very similar with many races competed in with transport provided or arranged, also there are trips arranged to the manchester velodrome pretty regularly if that floats your boat. Next year trials rider wise there will be at least five or six of us still up here, with the probability of a few other freshers.