Re: Outboard on 1974 Pearson 10m?
I honestly don't see how you'd get an outboard mounted to the back of a Pearson 10M and motor 1500 miles without other major incidents for much less.
$500 in fuel, $1000 for a used extra long shaft outboard, $200 for mount, $500 for 20 days worth of food, plus some money to cover the emergencies that are going to come up? This assumes you can afford the time off of work.
The temporary mounts putting a motor onto a ladder are great for moving the boat 10 miles from a port to a haul out. I don't think it's the right solution for 1500 miles of motoring.
Of course moving the boat by truck will also have additional costs. At a minimum it'll need to be de-rigged and re-rigged at each end.
1986 Pearson 28-2 "Elena"