Daniel J Méssem Posted October 30, 2014 Posted October 30, 2014 are the spokes butted? which side of the hub does that spoke go to? how high were the spoke tensions?
Guest Smimby Posted October 30, 2014 Posted October 30, 2014 are the spokes butted?which side of the hub does that spoke go to?how high were the spoke tensions?Spokes at butted 2.0,1.8,2.0 and the cracks are both sides. The spoke tension feels the same as my other two bikes. I don't have a tension meter so I can not give a figure
Daniel J Méssem Posted October 30, 2014 Posted October 30, 2014 was about to suggest that butted spokes may help in future, or higher tensions, but the crests can only go so high and you already have the spokes never mind me, carry on...
Guest Smimby Posted October 30, 2014 Posted October 30, 2014 was about to suggest that butted spokes may help in future, or higher tensions, but the crests can only go so high and you already have the spokes never mind me, carry on...What I dont understand is why people suggest the arch? The spokes pull at the same place. Here is the archZTR Arch EX 29"- 32 Hole Black Size 29" x 24.6mm Color Black Hole # 32 Brakes Disc Weight 460g ISO 622 x 21 ERD 606 Tape Width 25mm The spokes are pulling from the same place on both And the crestZTR Crest 29" - 28 Hole Black Size 29" x 24.4mm Color Black Hole # 28 Brakes Disc Weight 380g ISO 622 x 21 ERD 605 Tape Width 21 or 25mm
Cassie Posted October 30, 2014 Posted October 30, 2014 I'd say - ride em!! How long untill you have noticed this??/ maybe several months... if you buy - use these as training rims and new set for serious racing (where a bust rim/spoke ) will spoil your ride... they might still last you a long time...if you dont do gap jumps & drop-offs etc.... :whistling:
Wyatt Earp Posted October 30, 2014 Posted October 30, 2014 I'd say - ride em!! How long untill you have noticed this??/ maybe several months... if you buy - use these as training rims and new set for serious racing (where a bust rim/spoke ) will spoil your ride... they might still last you a long time...if you dont do gap jumps & drop-offs etc.... :whistling:We actually don't realise how much strain we put on our bikes with even regular day to day rides.
Guest Smimby Posted October 30, 2014 Posted October 30, 2014 Thanks everyone, when I get the new ones I can say to the Government (Wife / minister of finance approval) that the hubbers said they are UNSAFE and I need new wheels and she can check thehub :-) Seems that it will become "training" a wheel or and IDT wheel.
Guest Karma Posted October 30, 2014 Posted October 30, 2014 Thanks everyone, when I get the new ones I can say to the Government (Wife / minister of finance approval) that the hubbers said they are UNSAFE and I need new wheels and she can check thehub :-) Seems that it will become "training" a wheel or and IDT wheel. but, to be safe, this wheel is a result of the down force from that Air9...so it needs to be replaced as well...with the new Air9....because safety and all that...
droo Posted October 30, 2014 Posted October 30, 2014 What I dont understand is why people suggest the arch? The spokes pull at the same place. Here is the archZTR Arch EX 29"- 32 Hole BlackSize 29" x 24.6mm Color Black Hole # 32 Brakes Disc Weight 460g ISO 622 x 21 ERD 606 Tape Width 25mm Capture.JPG The spokes are pulling from the same place on both And the crestZTR Crest 29" - 28 Hole BlackSize 29" x 24.4mm Color Black Hole # 28 Brakes Disc Weight 380g ISO 622 x 21 ERD 605 Tape Width 21 or 25mm If the rims have the same profile but the one is lighter, then the heavier one clearly has more material to make it heavier and therefore stronger...
Guest Smimby Posted October 30, 2014 Posted October 30, 2014 but, to be safe, this wheel is a result of the down force from that Air9...so it needs to be replaced as well...with the new Air9....because safety and all that... Thank Karma, agreed. Will have to place the order then...
Guest Smimby Posted October 30, 2014 Posted October 30, 2014 If the rims have the same profile but the one is lighter, then the heavier one clearly has more material to make it heavier and therefore stronger...The arch has another segment, making it heavier but the rest of the rim is the same Look at my picture, there is another cross "plate" horizontal.Edit, look at this pic, surely that is where the extra weight comes from? And the spokes sit at the same place
droo Posted October 30, 2014 Posted October 30, 2014 The arch has another segment, making it heavier but the rest of the rim is the same Look at my picture, there is another cross "plate" horizontal.Edit, look at this pic, surely that is where the extra weight comes from? And the spokes sit at the same place Capture.JPG That extra chamber will stop the rim from deforming in the direction of the spoke under tension, and repeated deformation is what causes the fatigue cracking which you see on your rim. http://en.wikipedia.org/wiki/Fatigue_limit, if you want to geek out properly.
Guest Smimby Posted October 30, 2014 Posted October 30, 2014 That extra chamber will stop the rim from deforming in the direction of the spoke under tension, and repeated deformation is what causes the fatigue cracking which you see on your rim. http://en.wikipedia.org/wiki/Fatigue_limit, if you want to geek out properly.Sorry to ask, but how do you get to that the spoke pulls on the same wall thickness off material on both..see pic The blue line is where the spokes will pull The deflection happens like here, see red lines.So there is no extra material to stop the deflection?
Wyatt Earp Posted October 30, 2014 Posted October 30, 2014 Smimby, simple answer. How long before it's toast. Answer : https://www.youtube.com/watch?v=pEq8DBxm0J4&list=RDpEq8DBxm0J4
Guest Smimby Posted October 30, 2014 Posted October 30, 2014 Smimby, simple answer. How long before it's toast. Answer : https://www.youtube.com/watch?v=pEq8DBxm0J4&list=RDpEq8DBxm0J4
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