Id give my left nut for a real answer people!
Maybe I won't answer then.

j/k
First, let me say I don't have any of those arcade analog sticks, so I don't know the exact size. Second, I
think there are just two happs analog bottoms (or maybe just one bottom with two different spring mechanisms), matched with different handles to get the seven different analog models (if look at the exploded views, most of the base parts match). Third, the tron stick is digital (I think you know that).
Fourth, I do have the metal pivot ball of one of the bottoms, and it's huge, bigger than one inch IIRC. Add that it looks like the metal plate is 5.5 inches, I'm guessing the trigger handles are
about 4.5" to 5.5" tall, depending on the exact model (except the model you aren't interested in with the ultimate handle which looks about 3").
It is interesting the B-8 with POTs is $60 more than without, while other models
that use the same POTs differ by $15 to $30 between arcade POT and no POT versions. I'll bet it's a case of supply and demand or volume discounts, as happs is known to sometimes have higher versions at cheaper prices (TBs, for instance) than lesser versions. Also, you might want to check with divemaster or other resellers, as they usually can get you the happs items for less than happs, and declared shipping costs. Or wait for a happs sale (although analog joysticks aren't on sale often).
Not much help, I know.
