Quick Power Functions question

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Hello, I don't know whether this question belongs in Special Themes, of course if it doesn't you can move it.

I have two M motors and one XL motor for my Power Functions. I was just wondering if that could power a big 4 legged walking tank-thing?

Or how big/heavy a MOC it could power?

When I say "A big 4 legged tank-thing." I mean a MOC around this size.

(Minifig shown for size)

I don't do much in PF and am not very knowledgeable in such areas unfortunately and I don't want to start a big MOC if I can't complete it.

Thanks for answers.

[dr_spock]

Star Wars AT-AT motorized walker (set 10178) is powered by one M motor if I recall. Not sure how much bigger or heavier your Moc compares to it.

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Star Wars AT-AT motorized walker (set 10178) is powered by one M motor if I recall. Not sure how much bigger or heavier your Moc compares to it.

Thanks for that, only 1 M-motor huh. Well, even if this MOC is heavier 2 M motors and an XL one should be plenty enough. Thanks very much.

[Rufus]

Power Functions belongs in Technic, so I'll move this there.

[DLuders]

There are answers to many of your Lego Power Functions questions on the official Powerfunctions.Lego.com FAQ webpage.

"How many Power Functions Motors can I drive from one Power Functions Battery Box?"

"As a rule of thumb, you can drive 2 Power Functions XL-Motors, 3 Power Functions Train Motors or 4 Power Functions M-Motors at the same time from one Power Functions Battery Box. If you wish to run a combination of motors, you can e.g. have 1 XL and 2 M running together. The XL-Motor requires about twice as much power as the M-Motor. The Battery Boxes and the IR Receiver have overload protection, so attempting to drive too many motors will not damage anything. The power a motor consumes depends on what function the motor is performing. Motors will operate best when driving a small load."

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Power Functions belongs in Technic, so I'll move this there.

I knew I'd get it wrong. Thanks for info though.

There are answers to many of your Lego Power Functions questions on the official Powerfunctions.Lego.com FAQ webpage.

"How many Power Functions Motors can I drive from one Power Functions Battery Box?"

"As a rule of thumb, you can drive 2 Power Functions XL-Motors, 3 Power Functions Train Motors or 4 Power Functions M-Motors at the same time from one Power Functions Battery Box. If you wish to run a combination of motors, you can e.g. have 1 XL and 2 M running together. The XL-Motor requires about twice as much power as the M-Motor. The Battery Boxes and the IR Receiver have overload protection, so attempting to drive too many motors will not damage anything. The power a motor consumes depends on what function the motor is performing. Motors will operate best when driving a small load."

Ah yes Dluders, I've seen some of them, but they don't really answer how much it could carry even if I did follow the rule of thumb. But thanks for the link!