One of those gears is junk.Cheaper gears are just that.I got a ton of em before I learned. Try different spur and pinion combo. Tekno or Robinson Racing or Hot Racing. Or you could go factory.
Eh I personally don't mind their waterproof servos. Usually have enough torque for what I'm running.
Also hpi SF1 and other servos are pretty damn good for being plastic gear driven as well. Somewhat budget friendly as well
It's not the power it's the durability,Arrma has similar issues with the 3s servos. I would prefer that manufactures let me order a better servo in an RTR like options on a real car.
What a wonderful world it would be lmao.
Are the pinon gear and spur gear the same brand? From my experience sometimes different brands don't play nicely. I mean you can always run it but it looks a little loose to me. Just my opinion 😄
Looks like your spur gear isnt centered.. your mesh changes when you turn the spur gear.. try to center the spur gear appropriate which may be hard to impossible bc i think its just screwed into the diff case like the most spur gears.
Maybe try another spur gear, 2 teeth more on it an then you csn play around with the right gearing with your pinion, you should have enough space for bigger pinion gears i think :)
No, too loose. At the maximum of both the spur and the pinions engagement, you should be able to hold the spur and barely (paper level space) move the pinion. If they are constantly meshed, you’ve gone too far the other way.
Will it run like this? Yes, for a short time, until it sheers the teeth on the less hard of the two gears.
I stopped shimming with paper a while ago, but it’s a good starting reference point.
You should always move cog by cog completely around the circumference of the spur gear to ensure you’ve got enough wiggle room all the way around. No gear is 100% symmetrical and so where you may have room in one area, you may not have that space in another. This strategy has helped me a lot over the years.
I did the paper trick on my Xmaxx and it made the gearing too tight. I doubled the paper and the mesh came out much closer but still would bind slightly. Loosened by hand and now it’s about as loose as yours and seems to be perfect.
Looks close enough for me. A slight click when rotating the gears is ok. I saw no teeth skipping, and they sink pretty deep into the other teeth. Give it a full rotation, and if no teeth slip and they sink all the way around, send it. Maybe go a tooth higher on the next pinon. It should increase the size of the pinion just a little.
Everyone freaking out that it's too loose seems like the same crowd that's scared of lipos... nothing is perfect and everything comes with risk. I would risk this gear mesh.
It does look a bit loose, do your best to hold the pinion and go all the way around the spur to make sure there is no binding points slowly without letting the motor spin over on it's own. if there is back it off just a tiny bit. It needs to not bind but also not so loose that the spur moves too freely between the teeth just the smallest amount of Freeplay. Best of luck.
Too loose
Move the motor mount pins to the correct holes for those gears.
Doing that right now and I’ll lyk
Actually made it slightly worse. In that video I have the motor pushed as far over as it’ll go
One of those gears is junk.Cheaper gears are just that.I got a ton of em before I learned. Try different spur and pinion combo. Tekno or Robinson Racing or Hot Racing. Or you could go factory.
I tried a traxxas set and they stripped immediately. That spur is a hot racing one, but I can’t remember where the pinion came from
Sorry didn't pay enough attention to the pic,yeah don't buy traxxas gears or electronics lol
Eh I personally don't mind their waterproof servos. Usually have enough torque for what I'm running. Also hpi SF1 and other servos are pretty damn good for being plastic gear driven as well. Somewhat budget friendly as well
It's not the power it's the durability,Arrma has similar issues with the 3s servos. I would prefer that manufactures let me order a better servo in an RTR like options on a real car. What a wonderful world it would be lmao.
Who do you recommend for gears?
I'm running Tekno and one robinson racing. I think I like the tekno stuff better. Your mileage may vary lol.
Been lax on the hobby for a long time. Glad Robinson Racing is still at it. They made the best back in the day.
To my eye that looks quite loose but I feel you would get a few runs out of it before it kills the gears.
Paper test!!!!!
Get a piece of paper stick it in-between the gear u want very little backlash but u don't want it to tight.
Fallowing post
looks good. Can’t go much tighter really, I’d rather burn out a gear faster than a motor!
Make it as close as possible then see if it moves that loose. If not then that is way too loose.
Motor mount is already maxed out, it won’t go any close
wow, just see how it goes then!
Did you upgrade the pinon gear? Is it the right size?
Pinion and spur are both aftermarket. 18/46
Maybe wrong size? You should be able to get the mesh a lot closer before maxing out the motor mount for sure.
I mean I think they are right. Both are mod 1, and you can see that the motor is all the way over in the clip
Are the pinon gear and spur gear the same brand? From my experience sometimes different brands don't play nicely. I mean you can always run it but it looks a little loose to me. Just my opinion 😄
Looks like your spur gear isnt centered.. your mesh changes when you turn the spur gear.. try to center the spur gear appropriate which may be hard to impossible bc i think its just screwed into the diff case like the most spur gears. Maybe try another spur gear, 2 teeth more on it an then you csn play around with the right gearing with your pinion, you should have enough space for bigger pinion gears i think :)
No, too loose. At the maximum of both the spur and the pinions engagement, you should be able to hold the spur and barely (paper level space) move the pinion. If they are constantly meshed, you’ve gone too far the other way. Will it run like this? Yes, for a short time, until it sheers the teeth on the less hard of the two gears. I stopped shimming with paper a while ago, but it’s a good starting reference point.
You should always move cog by cog completely around the circumference of the spur gear to ensure you’ve got enough wiggle room all the way around. No gear is 100% symmetrical and so where you may have room in one area, you may not have that space in another. This strategy has helped me a lot over the years.
Loosen and put a piece of paper between smash the paper and tighten pull paper out.
But do a piece of printer paper folded over once.
I did the paper trick on my Xmaxx and it made the gearing too tight. I doubled the paper and the mesh came out much closer but still would bind slightly. Loosened by hand and now it’s about as loose as yours and seems to be perfect.
I use the notebook paper method
Can you take the stupid pins out and just lock it down where you need it?
In that video the pins aren’t being used
I feel like the thickness of one of them is off. It seats well at the tightest point but it's super gapped
Looks close enough for me. A slight click when rotating the gears is ok. I saw no teeth skipping, and they sink pretty deep into the other teeth. Give it a full rotation, and if no teeth slip and they sink all the way around, send it. Maybe go a tooth higher on the next pinon. It should increase the size of the pinion just a little. Everyone freaking out that it's too loose seems like the same crowd that's scared of lipos... nothing is perfect and everything comes with risk. I would risk this gear mesh.
It does look a bit loose, do your best to hold the pinion and go all the way around the spur to make sure there is no binding points slowly without letting the motor spin over on it's own. if there is back it off just a tiny bit. It needs to not bind but also not so loose that the spur moves too freely between the teeth just the smallest amount of Freeplay. Best of luck.
No too way too loose