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2013 Drive Gearbox for a WCD
Gear from WCP, Vex, and Martin Gear
Belt and Sprockets from SDP-SI
23-02-2013 22:40
I was waiting to see this. Always love 192's gearboxes. Can't wait to see this things in-person at SVR.
Just curious - why the tiny output shaft? That looks like it could barely hold a sprocket.
23-02-2013 22:47
Steven DonowWow. That's absolutely beautiful. I assume you're using bevel gears?
23-02-2013 22:50
Nuttyman54
I do love that black and red...looks real sharp
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Just curious - why the tiny output shaft? That looks like it could barely hold a sprocket.
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23-02-2013 22:59
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I do love that black and red...looks real sharp
If I had to guess, I'd say they're doing something similar to 971's setup last year and putting the last stage of the gearbox on the output shaft and a dead axle wheel. |
23-02-2013 23:07
pmangels17Is it a worm drive inside or plain bevel gears?
23-02-2013 23:12
Joey Milia|
Just curious - why the tiny output shaft? That looks like it could barely hold a sprocket.
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24-02-2013 01:52
DampRobotJust wondering, do you have any idea about the gearbox's efficiency? Just looking at all those shafts makes me wonder if you're loosing some power through all those reductions.
But seriously, that looks like a marvel of smart design and good machining. So many bends and bearing holes, all lining up perfectly...
25-02-2013 21:42
Joey Milia|
Just wondering, do you have any idea about the gearbox's efficiency? Just looking at all those shafts makes me wonder if you're loosing some power through all those reductions.
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25-02-2013 22:43
sdcantrell56|
I don't have any hard data on efficiency but it's just a three stage shifting gearbox, one of which is belts from the cims. All stages are in the 98%-99% range, add on the sealed bearings and I would expect an efficiency in the low 90s.
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25-02-2013 22:56
Joey MiliaThe main reductions are spur and bevel gears, which, when alined properly with accurate tooth profiles and proper lubrication are extremely efficient. Once again I have no measured data to support these estimates, they are based on subjective observations and engineering manuals (mostly engineering manuals).