I used to have a Fiat motor caravan - I quickly got the hang of shutting-up ney sayers by telling them it would do 80 and that was good enough for a sports car (in the 70's). They looked increduluous so I let them ponder just long enough and added - 'course it all depends on your sport.

The conversation invetiably turned to function and convenience. Apart from the two weeks on a canal boat, the holidays in the van were the best days of my marriage. But if I stop to count the percentages ...................