What happens if you lose both fuel pumps?

[Half Fast]

..hypothetical, would you be able to use the primer in a carb'd low wing plane like a PA-28 to squirt fuel in?

On my Lycoming the primer squirts fuel directly into 3 cylinders. It doesn't put fuel through the carb. So no, not really.

 

[Dan Thomas]

..hypothetical, would you be able to use the primer in a carb'd low wing plane like a PA-28 to squirt fuel in?

Not nearly fast enough. Those primers deliver a small fraction of an ounce of fuel. Imagine trying to keep up with an engine that wants six or seven gallons an hour. 40 pounds of fuel. That's a lot of pumps, and primers are slow to fill anyway.

I saw it done while taxiing an airplane that had carb mixture control problems. That was enough to keep the pilot busy.

 

[Tantalum]

Figured it was a long shot, but if you desperately need to introduce fuel to the engine somehow why not try all the options. Neat that someone was able to sort of taxi with it