UK Karting - Notice Board (Combined Forum) : Re: Chad?

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Re: Chad?
Posted by 'QuickOldTimer' on 30 Jan 2009 @ 21:02

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QuickOldTimerJoined: April 2005
Total Posts: 1
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The problem with CNC machining a barrel (as opposed to a liner) is the need to leave the transfer port wall (the bit below the port) intact. Itpro will remember the Upton Manx 100cc engines from the 70's, which to allow the prototypes to be machined from solid billets, did not have the transfer wall in the barrel, and this was blamed by many tuners of the day for the difficulties in getting them to go really quick.

Message Thread:

Rotax 09 by 'spindle' (28 Jan 2009 @ 18:21)

Re: Rotax 09 by 'John' (28 Jan 2009 @ 18:44)

Re: Rotax 09 by 'tonyracer' (28 Jan 2009 @ 19:25)

Re: Rotax 09 by 'John' (28 Jan 2009 @ 19:34)

Re: Rotax 09 by 'tonyracer' (28 Jan 2009 @ 19:44)

Re: Rotax 09 by 'spindle' (28 Jan 2009 @ 20:32)

Re: Rotax 09 by 'razh54' (28 Jan 2009 @ 21:41)

Re: Rotax 09 by 'tonyracer' (28 Jan 2009 @ 22:12)

Re: Rotax 09 by 'gregjersey' (28 Jan 2009 @ 23:17)

Re: Rotax 09 by 'Invader' (29 Jan 2009 @ 0:36)

Re: Rotax 09 by 'tonyracer' (29 Jan 2009 @ 1:34)

Re: Rotax 09 by 'razh54' (29 Jan 2009 @ 8:01)

Re: Rotax 09 by 'Invader' (29 Jan 2009 @ 9:03)

Re: Rotax 09 by 'KenE' (29 Jan 2009 @ 10:37)

Re: Rotax 09's as good as the best out there...... by 'ScoobyScene' (29 Jan 2009 @ 11:02)

Re: Rotax 09's as good as the best out there...... by 'qedrat' (29 Jan 2009 @ 11:17)

Re: Rotax 09's as good as the best out there...... by 'razh54' (29 Jan 2009 @ 15:52)

Re: Rotax 09's as good as the best out there...... by 'gettingquicker' (29 Jan 2009 @ 17:58)

Re: Rotax 09's as good as the best out there...... by 'stecrmh51' (29 Jan 2009 @ 18:25)

you cannot machine a rotax barrel .. by 'Chad' (30 Jan 2009 @ 0:00)

Chad? by 'itpro' (30 Jan 2009 @ 0:33)

08 barrels by 'BanzaiBoy' (30 Jan 2009 @ 7:47)

Re: 08 barrels by 'chriskasch' (30 Jan 2009 @ 9:06)

Re: 08 barrels by 'blobslosak' (30 Jan 2009 @ 10:45)

Chris by 'stecrmh51' (30 Jan 2009 @ 14:01)

Re: Chad? by 'gregjersey' (30 Jan 2009 @ 19:07)

Re: Chad? by 'itpro' (30 Jan 2009 @ 19:53)

Re: Chad? by 'gregjersey' (30 Jan 2009 @ 20:36)

Re: Chad? by 'QuickOldTimer' << You are here!

Re: Chad? by 'itpro' (31 Jan 2009 @ 0:53)

Re: Rotax 09 by 'oldun' (30 Jan 2009 @ 11:40)

Re: Rotax 09 by 'sinky' (30 Jan 2009 @ 19:58)

Re: Rotax 09 by 'oldun' (30 Jan 2009 @ 23:47)

Re: Rotax 09 by 'oldun' (31 Jan 2009 @ 0:51)

Oldun by 'itpro' (31 Jan 2009 @ 1:50)

Re: Itpro by 'John' (31 Jan 2009 @ 7:45)

Re: Oldun by 'NJB' (31 Jan 2009 @ 9:46)

Re: Oldun by 'QuickOldTimer' (31 Jan 2009 @ 10:09)

Re: Oldun by 'John' (31 Jan 2009 @ 10:57)

The more restricted... by 'NJB' (31 Jan 2009 @ 12:04)

Re: The more restricted...NJB by 'itpro' (31 Jan 2009 @ 12:29)

Re: Oldun by 'oldun' (31 Jan 2009 @ 23:45)

Re: Oldun by 'NikG' (31 Jan 2009 @ 23:58)

Re: Oldun by 'John' (01 Feb 2009 @ 8:20)

Oldun by 'NJB' (01 Feb 2009 @ 10:21)

Re: Oldun by 'oldun' (02 Feb 2009 @ 0:40)

Re: Oldun by 'itpro' (02 Feb 2009 @ 11:56)

Re: Oldun by 'NJB' (02 Feb 2009 @ 12:41)

Re: Oldun by 'itpro' (02 Feb 2009 @ 13:46)

Re: Oldun - cover your eyes ! by 'John' (02 Feb 2009 @ 14:09)

John by 'itpro' (02 Feb 2009 @ 16:00)

Re: Oldun by 'oldun' (02 Feb 2009 @ 21:32)

Re: Oldun by 'itpro' (02 Feb 2009 @ 22:43)

Re: Oldun by 'razh54' (01 Feb 2009 @ 10:47)

Re: Oldun by 'John' (01 Feb 2009 @ 12:39)

John by 'QuickOldTimer' (01 Feb 2009 @ 13:50)

Re: John by 'John' (01 Feb 2009 @ 14:21)

Re: John... ........ by 'itpro' (01 Feb 2009 @ 18:23)

even if they CNC the port opening........ by 'Chad' (01 Feb 2009 @ 23:49)

Re: Ian by 'John' (02 Feb 2009 @ 19:55)

Re: Ian by 'itpro' (02 Feb 2009 @ 22:43)

Re: Rotax 09 by 'sinky' (31 Jan 2009 @ 13:23)

Re: Rotax 09 - update by 'John' (07 Feb 2009 @ 15:51)

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