How many chocks do I need?
Normally it would be two
but this is not normally.
Donkey, mule or ■■■? Do they like chocs?
Is that the donkey topline spec 
Which raises my question, why do ADR wagons, petrol and wot not, use chocks anyway?? 
Gembo:
Which raises my question, why do ADR wagons, petrol and wot not, use chocks anyway??
Probably to stop them running away while the valves or manlids are open and connected to a land tank with a flexible hose.
Kerboom 
You only need 1 chock…
AndyRud:
You only need 1 chock…
for each vehicle, which in the case of a drawbar or articulated vehicle would mean two chocks.
But this is a joke thread. The proper ADR stuff which is not as misleading is in its own thread. 
Wheel Nut:
Gembo:
Which raises my question, why do ADR wagons, petrol and wot not, use chocks anyway??Probably to stop them running away while the valves or manlids are open and connected to a land tank with a flexible hose.
Kerboom
Waz’up with the park brake then? Or is it just a case of “just in case”?
Gembo:
Wheel Nut:
Gembo:
Which raises my question, why do ADR wagons, petrol and wot not, use chocks anyway??Probably to stop them running away while the valves or manlids are open and connected to a land tank with a flexible hose.
Kerboom
Waz’up with the park brake then?
Belts and braces approach for me
Engine running driving a compressor or a pump, vibration, load disappearing, axles lifting off ground etc.
After studying the pic I’ve reached the conclusion that the donkey only has three legs.
Is it a wonkey?
Bum tish…
the maoster:
After studying the pic I’ve reached the conclusion that the donkey only has three legs.Is it a wonkey?
Bum tish…
3 legs is more stable on uneven ground 
In this case does ADR stand for Automotive Donkey Refuelling ?
Or ■■■ Does Refuel ?
Chocks 1 yorkie bar for you and a carrot for the donkey
so the answer is one chock needed simple’s 