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PD1850 hole diameter

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Category: Plans
Forum Name: 1850 and 186 horns
Forum Description: Discussion / Questions about the 1850 and 186 horns
Printed Date: 30 September 2023 at 7:34pm
Software Version: Web Wiz Forums 12.06 -

Topic: PD1850 hole diameter
Posted By: Bob@DAE
Subject: PD1850 hole diameter
Date Posted: 07 May 2007 at 10:38pm
I 'm trying to find out the diameter of the hole to fix the 1850 in the 1850Horn.
I saw on Precision devices website that the diameter would be 438mm. But to me it looks a bit large....
Does anyone can tell me the correct hole diameter i should cut ?

sorry for my "not so good" english

Posted By: Rockin
Date Posted: 07 May 2007 at 11:01pm
Looks to me like it could be 414mm

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