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brigand

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24 Comments

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Photo info

Album: bikes
Category: Broken Bikes/Parts
Date Posted: Sep 13, 2016 at 1:46
Sep 13, 2016
Location: Adica, Croatia

Photo details

Photo Size:

Camera

Huawei Y330-U01

Aperture

2.8

Focal Length

3.5 mm

24 Comments

Mr-Magura (Sep 16, 2016 at 1:55)

At the risk of being boring, why don't you just glue it?
It's quick, easy, cheap, and it works.

Magura

brigand (Sep 16, 2016 at 2:50)

Did it but it didn't hold on, the bottom is much thicker than the tube and the surface in contact with the shim i made from two seatposts was minimal. I appreciate all the help and sugestion! Thanx !)

Mr-Magura (Sep 16, 2016 at 3:15)

@brigand: So, make a better fitting shim with more contact surface

The right glue might also help.
Ask our young friend, he once got the explanation how to bond stuff.

Magura

brigand (Sep 16, 2016 at 5:15)

@Mr-Magura: The shim was not the problem, the frame design was, he did help me the first time. I'll ask him to help me with soldering, he is finishing the welding course.

Mr-Magura (Sep 16, 2016 at 6:04)

@brigand: Can you post a pic of the issue?

brigand (Sep 16, 2016 at 11:34)

@Mr-Magura: only one i have, the lower part is thicker at the top and goes thinner after 5-6mm - not enough for epoxy to hold on.

Mr-Magura (Sep 17, 2016 at 1:13)

@brigand: And no chance to bond it on the inside?

brigand (Sep 17, 2016 at 11:47)

@Mr-Magura: Tried it and the surface in contact was not sufficient!

Mr-Magura (Sep 17, 2016 at 14:30)

@brigand: Then try making shim, and use the solder. That will work, but takes more effort.

nikoniko (Sep 13, 2016 at 16:50)

Its still cracked?
That sucks man!

brigand (Sep 13, 2016 at 22:01)

I suck at soldering, hahahaha

Going to give it another go

nikoniko (Sep 13, 2016 at 23:58)

@brigand: I hope it works!

iffy (Sep 13, 2016 at 2:38)

reborn?

brigand (Sep 13, 2016 at 11:59)

I was riding it while it was cracked the whole time, but nothing aggressively

iffy (Sep 13, 2016 at 12:36)

could you not weld a gusset or 2 round the area?

brigand (Sep 13, 2016 at 13:34)

@iffy: I'm going to make a gusset to keep the melted rods from flowing off the frame - which happened the first time - and make a big fat weld!

ebikeswillruinmtb (Sep 14, 2016 at 3:11)

@brigand: you need to anneal it after welding buddy.. www.technologystudent.com/equip1/heat3.htm

iffy (Sep 14, 2016 at 4:05)

@baggyferret: then sprinkle some of this on it. www.wikihow.com/Make-Your-Own-Holy-Water

brigand (Sep 14, 2016 at 4:33)

@baggyferret: it's actualy soldering, the rod melts at 398°C

ebikeswillruinmtb (Sep 14, 2016 at 15:26)

@brigand: where the alloy has cracked will need annealing to 'reset' the molecules, to stop it from cracking in same area

brigand (Sep 14, 2016 at 23:33)

@baggyferret: it cracked right in the middle of the weld all arround it!

iffy (Sep 15, 2016 at 1:51)

@brigand: can you get a bit of seatpost or something down there to bridge the weld inside?

ebikeswillruinmtb (Sep 15, 2016 at 11:29)

@iffy:

you can't get better than that!

brigand (Sep 15, 2016 at 12:22)

@iffy: Done that already!