Down here we gut and pack the cavity with ice bags to get the cooling process started, you don't get much time when the temps are 70-80*s.
Why not rent a small U-Haul trailer to carry a small freezer and generator? The freezer can be purchased at Wally World for about $150. If you have access to a portable generator you can freeze the quarters and bring them back to your favorite butcher when you come home. J
The main problem with water.. When you make sausage with water soaked meat, it tends to get squished out of the sausage grinder in these really kinda "fart episodes" that the grinder goes through with wet meat and ends up on your wifes kitchen curtains