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Theoben Rapid Forum

Everything Technical About Rapid => Technical => Topic started by: alan1 on December 11, 2021, 03:11:22 PM

Title: Rapid valves
Post by: alan1 on December 11, 2021, 03:11:22 PM
Hi what's the. difference between the reged valve and the unreged
Title: Re: Rapid valves
Post by: Ca_Varminter on December 11, 2021, 06:42:35 PM
The Valve-stem are the same.
The Black Valve-body, the size of the porting are different!
The Reg one have a smaller ports.
You need to talk to KevG about exact size needed.. 12 ft-lbs or FAC..too

Stuart
Title: Re: Rapid valves
Post by: alan1 on December 12, 2021, 01:01:41 PM
Hi I thought it might be port size but I would have thought the reged one would have the larger one and wondering what the best size is for sub 12
Title: Re: Rapid valves
Post by: Squinty on December 12, 2021, 07:31:45 PM
IIRC Chambers used to list 3 sizes of black valve .small/medium/large.
I assume Mk1 5mm, mk2 FAC 5.5 and  Mk2 6mm.

Early MFRs had 5mm front
Late MFR valves had a larger front 6mm and 4.6mm top.

Gain 5mm> 6mm is about 40 shots according to KevG's 'how many shoots'
Title: Re: Rapid valves
Post by: alan1 on December 13, 2021, 10:01:06 AM
OK thanks for that and It will depend on the rapid early mk 1 or mk2.
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