Lorin, just a couple of thoughts here that might work in the overall design - I'm not saying copy this - they're just design concept ideas that might trigger part of the solution.
I was thinking about the carrier spec for big heavy spares - I had 37's on mine. If you look at the Arctic Trucks 80, they angle the spare in. It's not a lot, but it does move the weight in-board a bit more.
Secondly, they had a carrier that dropped down. No idea how this would help, it's another interesting design. Have the bikes on a swing out and the tyre on a drop down?
Now, last thought -and I am just thinking out loud, is that you have pictured the vehicle then the wheel then the spare. What if the bikes went against the tailgate and the spare was on the outside? No idea if that would help / work, but it's a bit of lateral thinking.
Could the carrier for the bikes go up and over perhaps? With springs, rams, cables for example, and bikes being not that heavy, it might be possible to push them up.
I appreciate you have a plan in your head, just chucking things in. I think if I was trying to do what you were doing, I think I'd be looking maybe at two separate moving components. No, not a double carrier, left and right, but rather than hang the bikes off the spare carrier, something differently articulated?
I was thinking about the carrier spec for big heavy spares - I had 37's on mine. If you look at the Arctic Trucks 80, they angle the spare in. It's not a lot, but it does move the weight in-board a bit more.
Secondly, they had a carrier that dropped down. No idea how this would help, it's another interesting design. Have the bikes on a swing out and the tyre on a drop down?
Now, last thought -and I am just thinking out loud, is that you have pictured the vehicle then the wheel then the spare. What if the bikes went against the tailgate and the spare was on the outside? No idea if that would help / work, but it's a bit of lateral thinking.
Could the carrier for the bikes go up and over perhaps? With springs, rams, cables for example, and bikes being not that heavy, it might be possible to push them up.
I appreciate you have a plan in your head, just chucking things in. I think if I was trying to do what you were doing, I think I'd be looking maybe at two separate moving components. No, not a double carrier, left and right, but rather than hang the bikes off the spare carrier, something differently articulated?