pic: Fun Bevel Gearbox Idea

[Bryce2471]

loading photo ...

[Navid Shafa]

Care to share some specs, maybe a transmission close-up?

[Michael Hill]

I'll admit, the "window" gearbox looks kinda cool.

[Rjmartin127]

Let's just refer to the quote in my signature.

[Nate Laverdure]

Reminds me of an idea I once had for a "parallel radial" engine.

[Tyler2517]

Originally Posted by Nate Laverdure

Reminds me of an idea I once had for a "parallel radial" engine.

That looks a lot like a duke engine.

[Nate Laverdure]

Originally Posted by Tyler2517

That looks a lot like a duke engine.

Aw, crap. I guess "almost novel" is kind of like "almost pregnant."

[billbo911]

8 CIM drive?
Can you say "Popped our main breaker"?
Don't worry, you will!

[AdamHeard]

Originally Posted by billbo911

8 CIM drive?
Can you say "Popped our main breaker"?
Don't worry, you will!

Actually if teams use the current monitoring properly, a team could maximize the time motors spend in their peak efficiency range (errr, closer to peak at least) and still get large output output torques (less torque per motor, more torque overall).

If done right you'd get a decent performance increase and exactly ride whatever line you set in terms of net current draw.

[T^2]

Originally Posted by AdamHeard

If done right

That's the biggest "if" I've heard this week.

[AdamHeard]

Originally Posted by T^2

That's the biggest "if" I've heard this week.

Not really.

In many industries torque/current control is THE standard form of control.

It wouldn't be crazy to limit max current to some time varying value.

[philso]

Originally Posted by AdamHeard

Not really.

In many industries torque/current control is THE standard form of control.

It wouldn't be crazy to limit max current to some time varying value.

A large percentage of the three-phase motor controllers I work on in my day job go to customers who use them to limit the peak current during starting, especially if they have high inertia loads such as conveyor belt systems, (down-hole) pumps and rock crushers. All the motor controllers (ours and our competitors) have a "current limit" parameter that the user sets via the keypad.

[Pauline Tasci]

That actually looks pretty cool and crazy fun!

[Bryce2471]

Care to share some specs, maybe a transmission close-up?

I'll try to get a transmission pic up soon. Its two stage and single speed gearbox, with a roughly 7 to 1 gear ratio(1.8 itcr). On a four inch andymark wheel, it should be traction limited. I thought about designing a custom ball shifting version, but I only spent a couple hours on this design, so I never got around to it.

8 CIM drive?
Can you say "Popped our main breaker"?
Don't worry, you will!

I don't really disagree, but I find it interesting you would say that without hearing what the final gear ratio is.

[Bryce2471]

Originally Posted by paunatime

That actually looks pretty cool and crazy fun!

Thanks!
Unfortunately, I don't think our team will even be considering this idea because of budget constraints. I think it would be cool to see how this drive would work in real life though. It would certainly save belly pan space!