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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Supergoose Seatpost Problem - A BIG ONE
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Author Topic: Supergoose Seatpost Problem - A BIG ONE  (Read 12150 times)

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750Rush

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #25 on: March 21, 2012, 11:00 AM »
I've no idea, but it's got to be worth a go. I don't want to keep it as it is because it's so dam heavy!
« Last Edit: March 22, 2012, 03:54 PM by 750Rush »

Offline BENDYCAT ELEVENTEEN

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #26 on: March 21, 2012, 12:34 PM »
burner weight  ;D

well hopefully it is as i said - the cut in the top half of the seat post, should mean it had to slip over the metal tube and the metal tube should be hammered into a old bit of renthal post which is welded it's self into the frame - so hopefully it will desolve out and drop  ;)
The Devil is away on business, I'm having to step in for him - How can I make your day Hell !!!

750Rush

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #27 on: March 22, 2012, 04:00 PM »
I put some caustic soda granuels in the post with some boiling water and left it for the night. It hardly took any of the mixture as is seems solid about 1cm down into the frame. It fizzed a bit, but no frothing like in you Bendy's pic. I emptied the few drops this morning as I didn't want my kid to touch it today. I'll have a look when I get home tonight, but I think it might need machining out or something more severe  :'(

I have thought of getting in there with a small drill bit to see if they welded the iron rod in its central position within the frame tube. I thought I could drill small holes around it and try to get some more caustic mixture in underneath and around. If I can get enough drilled holes in there, it may weaken it enough to come out?

If it does come to machining it all out, and then getting it welded, can anyone recommend anywhere that could do it?

Offline Discostu

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #28 on: March 22, 2012, 04:18 PM »
Yeah drill some holes around it if you can get a drill in to do it. Then the caustic. An impregnate it more.  :daumenhoch:
This is very much a waiting game. So patients is the word.

Offline bobbbbsy

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #29 on: March 22, 2012, 04:38 PM »
the person or people who did this deserve an awards for being muggy c**tS !

Offline Munnyella

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #30 on: March 22, 2012, 04:45 PM »
Is there a hole into the seat tube from within the bottom bracket shell?, if so, you could try doing the caustic treatment from that way, might get a bit more in.

MM
Hard + Stylish = Chicks + Beer!!!

750Rush

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #31 on: March 25, 2012, 08:18 PM »
Nope, there isn't.

I'm getting the drill out tomorrow  :10_2_12:

Offline oldschoolace

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #32 on: March 25, 2012, 08:24 PM »
Sixteen thirty-two. What is that? A year?   No, it's your top score on Pole Position.


Offline oldschoolrb

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #33 on: March 25, 2012, 09:05 PM »
get it fully drilled out mate , but get a specialist do it .. be a sad day if you popped a hole through the seat tube  :-[

750Rush

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #34 on: April 04, 2012, 12:12 PM »
I'm going to have a go with ting drill bit over the Easter weekend.

I've just donated money for a site supporter tag to give me some good luck!

Offline stfc

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #35 on: April 04, 2012, 04:24 PM »
Phil commented earlier ..He s your man for the job

Offline BENDYCAT ELEVENTEEN

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #36 on: April 04, 2012, 11:23 PM »
It takes time for it to happen - slowly slowly catchy monkey - it will work, give it plenty of time - put it as a side project  ;)
The Devil is away on business, I'm having to step in for him - How can I make your day Hell !!!

750Rush

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #37 on: April 18, 2012, 01:14 PM »
The iron bar is out!

Having clamped it in my shed vice nothing happened. I took it to my brother-in-law and his vice is much sturdier, and after filing some flat edges, the bar came out in his vice with a bit os pursuasion and wd40. It was 10-11" long and screwed into the remains of the other hald of the renthal seat post.

We drilled the middle of the renthal out a bit, and are going to have a go at getting that out with a slide hammer, failing which I'll revert back to the caustic soda option now there is room to put solution down the tube.

Result!

Anyone know of a good place to get the frame and forks re-chromed?

Offline bobafett

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #38 on: April 18, 2012, 04:25 PM »

Congrats mate - result  :daumenhoch:

Carl "In2bmx" has a decent chromer he uses ;)
mongoositis - an expensive disease......

Offline diesel

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #39 on: April 18, 2012, 04:53 PM »
 :daumenhoch:

Offline Glynnyboy

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Re: Supergoose Seatpost Problem - A BIG ONE
« Reply #40 on: April 19, 2012, 03:11 PM »
Nice one, sounds like you nailed the hardest bit. :coolsmiley:

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