Not trying to block moon, it just people don’t have too much options with gear drive. XD
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that’s a thicc gear box, max shaft length? also which hanger they fit?
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currently I’m using 8mm bore 35mm length shaft motor. Only have mbs matrix 2 clamp at this moment. 
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I wonder how many gears fit in that thing.
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gearing are 12/59, 20mm widths helical gear, with angular contact bearing & big bearing with rubber cap for sealant.
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What material are the gears made of?
it come with a new design, I call it " 4 gears system " motor gear & wheel gear are made out steel (but realized wheel gear too heavy, will swap to pom after)
rest gears are made out POM.
will post it after, with detail. haha
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Before I start going off topic, really interesting, how heavy are we talking with the steel gears? Maybe steel gears will make @b264 use pneumatics.
I love the name hopefully Ugiroux didn’t trademark it, not that it matters much anyways😆
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So there’s extra reduction in the box?
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Lol, can’t remember…it like 1kg per wheel gear, because it are solid steel gear. 
it more like increase the durability and don’t lose the efficiency.
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Very interesting design. I don’t think I’ve seen anyone use a dual idler gear system before.
Maybe just because of the size
I guess the user would only need to adjust the motor gear backlash and the other gears are fixed in place?
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Looks great! The gears have module 1.5?
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I’ll be damned! The 4GD. Just as the prophet foretold! 
I can imagine that this would give much better clearance on thane if it only needs a small wheel pulley.
Is it possible that this design doesn’t lose efficiency though?
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[quote=“BornBoneless, post:52, topic:49046”]
I guess the user would only need to adjust the motor gear backlash and the other gears are fixed in place?
[/quote] yep, brother.
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nearly, gear ration are 59/12
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compare to the traditional “two gear” gear drive, energy consumption will slightly increasing.
however unlike two stage gear drive, mine one got a addition gear to help increase efficiency.
The purpose for this set gear drive is “durable as FK”, I saw too many people snap their gears . This gear drive increased gear contact, reduced the horizontal movement(angular contact bearing & another big bearing to secure the wheel gear).
It should last a lot longer than usual and handle more torque.
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straight / helical? all steel gear? what’s the weight for a single unit? ground clearance for…let’s say 125+mm?
sorry, we (mainly just me) have too many question, maybe its time for a new thread just for this gear drive 
whenever u r ready for it
20mm helical gear, brother. currently prototype, wheel gear & motor gear are made out steel. another two small gear are made out POM.
will using POM wheel gear later…see how it go. need more test.
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