Quote:
Originally Posted by jamesqf
Depends on where the grill block goes, and how much wind force it gets. The one I use on the Insight just sits in place. (Though magnets wouldn't be much use on an aluminium body anyway.) But if they will hold e.g. real estate advertising signs on doors, they should be ok to say hold in a grille block.
The refrigerator magnets aren't all that weak, since you can have a lot of area. Ever try to pull one straight off, as opposed to peeling it?
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A sign on the side of a vehicle has a lot of area though. Each square inch of magnet only has to support one square inch of itself and thin vinyl sign, without much aerodynamic force acting on it. A grill block would be held on by the edges, with a lot of aerodynamic force