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Need to learn how to set the mesh properly ;) Been running one of these since the XL came out with plastic gears no worries. The problem is the driveshafts, theyre so stiff they have no torsional give whatsoever, you'll end up stripping diff pinions. Put the old driveshafts back in and the problem goes away :p
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...im running a Kyosho 46 plastic spur and it goes great...nice and quiet (comparatively) too...
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I meshed them correctly...
How do you mesh them? With a piece of paper? Greetz Joram |
meshing with paper is not ideal, it gives a basic start though. You want to set it as close as possible without binding. Easy way to do this, is to move it close, and then see if the spur can still move a little back and forth before actually turning the pinion. It should be a very small amount of play. Paper mesh is too far apart, a little less is better. Another way is to keep moving it closer a TINY bit at a time until it starts binding, and then move out a tiny bit until it stops binding.
Another thing, Janezki is using budget hardware (from what I see in the pics), and you (Joram) are using a beastly top-of-the-line system that probably puts out a whole lot more torque. Yours might still strip the plastic spur, but I doubt it. Nylon is stronger than most people realize. For gears, they can be almost as strong as hardened steel because they give a little. However, if there is a lot of heat, they melt, which can be a problem in high heat applications. I use a steel spur, but that is for a totally different reason. The plastic one is thicker, and it interferes with the chassis b/c of the way I have the tranny mounted up, the steel one is thinner, so it clears the chassis. |
My Savöx motor has very much power.
I gave full power and the spurgear was totally stripped. Monday my GPM steel spurgear arrives, that's because my hot-Racing one is badly damaged cause of loosecoming spurs... Need some red locktite:intello: I also have a GPM Delrin spurgear, i want to look how that one is holding the BL power. Greetz, Joram |
If you mesh it right, the delrin should work fine. I'm surprised the other stock plastic stripped though.
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I found that sometimes transmissions and spurs dont spin perfectly round.(due to wear and high power) Always turn the spur a few times after setting to make sure there isn't a tight spot. I also like to try to break in the pinion on the bench at a low speed to check the wear pattern. Its easy to not be square to the pinion using all the different/custom motor mounting plates. If you run a standard savage tranny, it can easily not be spinning perfectly round. Spin the spur by itself to check if its spinning in a wierd warped orbit. I have set a pinion once and didnt realize the tranny was having an issue and toasted a pinion from high heat. I dont use plastic spurs because I think at 25 volts, its just waiting for something to loosen or its one hard slam away from melting. I think its also a lot easier to hear a problem with metal on metal after a hard bash. I'm not knocking plastic, I use them on other vehicles. Just not my savage.(except for inside tranny) Like the stock market claims "Past performance is not an indication of future results." IMO
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Short clip from weekend is available at Youtube.
(might want to try the HD-version of the video) There's really no grip at all with those stock tires on icy snow, hopefully within a months time we'll get rid of that white stuff... The old MGM controller has this nice feature of loosing the brakes when it get's warm - hence few blasts to the bushes. Monster is on it's way... |
The parts for my new brushless savage have been slowly rollin in over the past little while, Its ready to run now but I decided to order the integy LST shocks, rear bearing carriers, FLM LST shock conversion (of course) and bearing to get rid on the bushings in the steering crank. Its got a savage flux single speed tranny and the mamba 2200, aluminum a arms, diff cases, shock towers, and the fastlane machine savage brushless conversion. I decided to start with a spur/pinion of 47/20. I think its going to be bulletproof, as soon as cheapbatterypacks.com has elite 22.2v H.O. 5000mah battery packs back in stock I am going to find out.
[IMG]C:\Users\Wes\Desktop\savage\IMG_4091.jpg[/IMG] [IMG]C:\Users\Wes\Desktop\savage\IMG_4109.jpg[/IMG] [IMG]C:\Users\Wes\Desktop\savage\IMG_4113.jpg[/IMG] |
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yeah, that wasnt my intention, just ran out of time to fix it before I went out.
http://i663.photobucket.com/albums/u...2/IMG_4094.jpg http://i663.photobucket.com/albums/u...2/IMG_4112.jpg http://i663.photobucket.com/albums/u...2/IMG_4109.jpg Hope I got it figured out this time, |
janeski, does the KB45 motor you are using have the same mounting dimentions as a feigao motor? is the motor screw spacing the same as a feigao? i am thinking about using the KB45 10L in my savage conversion.
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No it's the next one up. I was also looking into using it in my revo. The new e-revo engine mount has holes for those bigger motors though, but then there is the issue with the 6mm shaft.
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would that motor fit the kershaw designs motor mount for the savage?
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