thats very vegetarian, all the criteria possible and you say its better cos its cheaper no, petrol is better because its easier to get more performance from a smaller engline and theyre lighter.
not more powerful, less powerful 8) if youre talking about torque (no pun intended) then youre right, diesels have more torque. but torque only comes into its own at low revs and torquey engines are usually used for pulling. if were are talking about which type of engines is better for planes, the petrol wins easily. with other machines though, the debate is wide open 8) (my heart stays with petrol )
because they have crap acceleration, they take ages to get up to speed, especially if you have a turbo diesel, and because of the weight of the engine it puts a lot of pressure on the front axle and causes monumental understeer
but people who set out to win caravan bangers must be pretty dumb - caravanning is purely for the entertainment of the crowd, if you win its just a bonus 8)