No, I can't drive it till I have taxed and insured it. I have work to do on it first. Thanks for that link though, it appears that a 3.9 KG bottle fits with room for a spare.No, without measuring the gas locker.
Can you not just drive it to your local Calor depot or anywhere else that sells propane for that matter and try 6 and 13 kg cylinders in the locker or this may help you - https://thegascentre.co.uk/calorgas
Yes, I found that out - my local gas shop let me try them and then gave me two 6 kg cylinders in exchange for a single 47 kg. (I had to pay for the gas of course).2x 6kg mate.tight, but they fit in my 1999 talisman..