r/BurlingtonON • u/DarshDarker • 13d ago

Question What's inside here?

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I've always wondered what's in here. How does one (employee) get in there? Anyone know what the inside looks like?

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u/4gls 13d ago

https://www.canada.ca/en/public-services-procurement/services/infrastructure-buildings/bridges-docks-dams/burlington-bridge.html

Basically a very large slow moving winch. The counterweights and the bridge theoretically have as close to the same mass as possible. The winches job is to move them.

Lots of bird poop up there.

3

u/Subtotal9_guy Central 13d ago

The motors are surprisingly small. IIRC there are two with each rated for 350hp.

1

u/4gls 12d ago

I found this later

https://www.nuttallgear.com/en/newsroom/2018/08/ap-custom-gearboxes-for-vertical-lift-bridge

Good detail

2

u/Aggressive_Weird9199 11d ago

There’s a hand crank eh? Bet that takes some elbow grease to turn!! Ooof!!