Well here it is. No more bits of string and chewing gum. My engineer mate opened up the base hole of the old R&P mounting plate and drilled and tapped 4 x 4mm holes. Now the barrel of the GSO crayford slides inside and should now focus OK. I did a test on my favorite focusing tree and could just get it to focus with the drawtube fully racked out. Which tells me I should focus in space with about 5 to 10mm racked out.
Here is the picky of the mod
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