ghostrider88 Posted January 14, 2013 Report Share Posted January 14, 2013 Actually, the weld doesn't create a stress point. If anything it adds strength, however, if you were to file/grind the weld so that it sits flush with the frame then that would create a stress point where you've thinned out the frame. All I would do is remove the main body of the mount and leave the welds alone No, weld does create stress riser because it changes properties of material making it harder but more brittle at the same time. Quote Link to comment Share on other sites More sharing options...
trials hoe Posted January 14, 2013 Report Share Posted January 14, 2013 No, weld does create stress riser because it changes properties of material making it harder but more brittle at the same time. doesn't the weld affect the area directly either side of said weld? with the different flex properties of the two surfaces that causes a weak point. Well, its done looks good, nice work! shame about the little bit of a raw patch though, you gonna paint it to match or raw the frame? or neither Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted January 14, 2013 Report Share Posted January 14, 2013 Sure it does, but making it smooth and thinner allows it to flex more. I might be wrong though,Rob Leech could help to clear that up? Quote Link to comment Share on other sites More sharing options...
SamKidney Posted January 14, 2013 Author Report Share Posted January 14, 2013 Going to spray over it at some point this week, when I can be bothered Im really pleased with it for my first go at something like this. Quote Link to comment Share on other sites More sharing options...
trials hoe Posted January 14, 2013 Report Share Posted January 14, 2013 Im really pleased with it for my first go at something like this. done very well for a first go there dude Sure it does, but making it smooth and thinner allows it to flex more. I might be wrong though,Rob Leech could help to clear that up? but if the flex properties are the same along the whole tube, making the transition of flex equal. then surely it would be better than having a small section that is stiffer effectively making it 3 different sections with 3 lots of different flex properties (taking into account the length difference of the tubing to) Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted January 14, 2013 Report Share Posted January 14, 2013 but if the flex properties are the same along the whole tube, making the transition of flex equal. then surely it would be better than having a small section that is stiffer effectively making it 3 different sections with 3 lots of different flex properties (taking into account the length difference of the tubing to) Flex properties aren´t the same it there is/was weld. Even after smoothing it off that part of tube won´t be the same, but closer to that than without doing it. The point is you want stress to be distributed equally over the biggest area possible. So far I´ve seen very few frames crack anywhere else other than at weld and that was pretty much always because of tube beeing dented. Quote Link to comment Share on other sites More sharing options...
trials hoe Posted January 14, 2013 Report Share Posted January 14, 2013 (edited) The point is you want stress to be distributed equally over the biggest area possible so removing it = better that having it, what i was we are saying. Edited January 14, 2013 by trials hoe Quote Link to comment Share on other sites More sharing options...
ghostrider88 Posted January 14, 2013 Report Share Posted January 14, 2013 so removing it = better that having it, what i was we are saying. Lol, we all were saing that except the guy I quoted in my first post Quote Link to comment Share on other sites More sharing options...
SamKidney Posted January 14, 2013 Author Report Share Posted January 14, 2013 (edited) My frame will last longer then As you said, it is better to remove it. The mount caused one area of the tube to me stiffer than the rest, and couldnt flex as per the rest, which would have caused it to crack, just like my old one. In removing it, while the tubing itself has different properties in areas as a result of the welding, it can flex more freely and lessen the chance of it cracking in that area. Also means I cant hit it now, which too could/would have caused it to crack. Edited January 14, 2013 by Echo Lite 09 Quote Link to comment Share on other sites More sharing options...
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