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konaking
Flogged
Joined: May 28, 2006
Posts: 2,451
Location: Northshore Auckland
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 Posted: Fri 24/Oct/08 5:07pm Post subject: |
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that seat post thing is very very round
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macktory
Thrashed
Joined: May 23, 2007
Posts: 1,248
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| Posted: Fri 24/Oct/08 5:20pm Post subject: |
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| konaking wrote: | | that seat post thing is very very round |
This is just a wild thought, but aren't seat tubes supposed to be round?
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diggily_puff
Worn
Joined: May 19, 2008
Posts: 741
Location: S1D3\/\/4YZ
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| Posted: Fri 24/Oct/08 5:36pm Post subject: |
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| macktory wrote: | | konaking wrote: | | that seat post thing is very very round |
This is just a wild thought, but aren't seat tubes supposed to be round? |
im with mack on this one, soz konermong
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FEDERALNUT
Ridden
Joined: Aug 09, 2008
Posts: 240
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| Posted: Fri 24/Oct/08 10:07pm Post subject: |
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is it going to be fully heat treated?
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rory161192
Thrashed
Joined: Mar 10, 2007
Posts: 1,457
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| Posted: Fri 24/Oct/08 10:14pm Post subject: |
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I get what kona dong is saying, the seat tube seems to look alot bigger than the other tubes, id also revise that aswell onree. If the seat tube O.D is roughly 2.7mm, the other tubes look around 2.2mm, and the chainstays look around 1.5mm! revise that aswell. revise revise revise.
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edhbks
Shiny
Joined: Aug 05, 2007
Posts: 23
Location: Christchurch
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| Posted: Sun 26/Oct/08 6:38pm Post subject: |
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| rory161192 wrote: | | I get what kona dong is saying, the seat tube seems to look alot bigger than the other tubes, id also revise that aswell onree. If the seat tube O.D is roughly 2.7mm, the other tubes look around 2.2mm, and the chainstays look around 1.5mm! revise that aswell. revise revise revise. |
2.7mm and 2.2mm when comparing a rendered model is random dude, there is no way anyone can spot .5mm difference lol. Onree, seat post tube I.D's for a BMX frames are generally 25.4mm - 25.6mm with a Tube O.D 28.6mm.
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onree
Dusty
Joined: Aug 24, 2006
Posts: 71
Location: Blenheim
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| Posted: Sat 1/Nov/08 12:19pm Post subject: |
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Thanks for that info edhbks ive got some 4130 at home and il c what that measures up like. I should be able to get some more from the people that make roll cages. The seat tube is the same as the other tubes at the moment rory.
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onree
Dusty
Joined: Aug 24, 2006
Posts: 71
Location: Blenheim
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| Posted: Sat 1/Nov/08 12:22pm Post subject: |
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| FEDERALNUT wrote: | | is it going to be fully heat treated? |
I didn't actualy realise that heat treating chromoly was common practice ... I'm not going to heat treat my first frame anyway but ill look into it for later on. Practicaly I think il have to accept that my first few frames will have more pressing problems than not being heat treated
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onree
Dusty
Joined: Aug 24, 2006
Posts: 71
Location: Blenheim
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| Posted: Sat 1/Nov/08 12:29pm Post subject: |
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Apparently when 4130 is TIG welded for aircraft construction it is not heat treated afterwards so ill think il give it a miss for the time being
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rory161192
Thrashed
Joined: Mar 10, 2007
Posts: 1,457
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| Posted: Sat 1/Nov/08 12:31pm Post subject: |
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Is the tubing butted?
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onree
Dusty
Joined: Aug 24, 2006
Posts: 71
Location: Blenheim
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| Posted: Sat 1/Nov/08 1:03pm Post subject: |
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The first one won't be
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azazal
Joined: Jan 05, 2009
Posts: 3
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| Posted: Monday 2:55pm Post subject: |
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id buy it realy man you should make it but make a option of brake mounts or mountless ( 2 different frames)
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