doug72 Posted January 10, 2012 Posted January 10, 2012 (edited) I have managed to break many 3L universal couplings especially when used in 4 & 6 wheel drives - they crack between the shoulder and small side opening thus making axles loose, allowing them to slip out. I have tried super glue with limited success but have now found a simple way to keep using them. Slip a small "o" ring over each end and the grip on the axles is restored - the "o" ring should be 4mm i.d. x 6mm o.d In most situations the "o" should not foul other parts. For more grip add two "o" rings each end. Edited January 10, 2012 by Doug72 Quote
timslegos Posted January 10, 2012 Posted January 10, 2012 Or you could make sure there is more gear reduction at the hub instead of in the car. tim Quote
doug72 Posted January 10, 2012 Author Posted January 10, 2012 (edited) Have had breakages happen with Lego sets built as per instructions, especially the larger heavier sets. my own MOCs are geared right done. Doug Edited January 10, 2012 by Doug72 Quote
SNIPE Posted January 10, 2012 Posted January 10, 2012 (edited) Yeah I agree, they UV joints are far too weak Perhaps a cable tie round the end of a uv joint with the excess flap cut off of the cable tie neatly would help. Edited January 10, 2012 by SNIPE Quote
allanp Posted January 10, 2012 Posted January 10, 2012 In the past I have used string (fine stuff for sewing) tightly wrapped around the ends with good results. Quote
Kronos Posted January 10, 2012 Posted January 10, 2012 The cable tie would still have the "female" end still attached, correct? Would that possibly interfere with anything? How about fishline, wrapped several times around, then knotted? Quote
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