2018.12.21, 09:36 PM
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#16
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Registered User
Join Date: Dec 2018
Posts: 48
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Quote:
Originally Posted by EMU
Which LM differential did you buy? Many of these parts have come with multiple configurations, there were some LM differentials which came with the 48 pitch 43t (Atomic), where Kyosho only comes with the 44t. But Atomic and PN have also had options for 64 pitch variants.
64p is a lower profile tooth, therefore it has less noise and resistance do to lower overlap of the gears as they mesh. This means a faster and more efficient car with the same power source.
All PN motors have the two mounting holes for the mounts. Atomic has removed itself from Mini-Z production, and is focusing on their own chassis and designs. All of their brushed motors are discontinued. Now they only make brushless motors.
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I bought the kyosho lm ball diff.
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2018.12.21, 10:13 PM
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#17
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Registered User
Join Date: Dec 2018
Posts: 48
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Quote:
Originally Posted by EMU
You should be able to get the car together without a damper, but it dont drive very well as the rear will be all over the place. This is the primary benefit that the stock LM pod had over the standard pods, it included a disc damper.
You should be able to drive the mazda with standard sized wheels, but if you plan to use the included front wheels of the autoscale, toy will want to get LM30 front tires. Rear 20d radials or LM20 work well on most surfaces.
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do.you happen to have a part number for the tires?
I bought the PN 70t motor and the R246-1222 damper. Might as well get the tires too
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2018.12.21, 10:47 PM
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#18
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EMUracing
Join Date: Oct 2004
Location: NYC
Posts: 7,417
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Kyosho 20 radial for the rear are MZW38-20. LM 20 for rear are MZT302-20
Kyosho LM 30 for front are MZT301-30. I would get all three and see which rear tire gives you the best balance. Take in mind that the LM tires take more time to break in, as they have a rounded contact patch. There is more mass in the rear tire, which smoothens out the feel of throttle application and there is more roll off throttle into the corner so less drag brake effect.
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EMUracing
Micro RC Syndicate /DG Designs /GSR /Reflex Racing /Fast By Faqish /MurderTown Racing
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2018.12.22, 02:41 AM
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#19
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Registered User
Join Date: Dec 2018
Posts: 48
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Quote:
Originally Posted by EMU
Kyosho 20 radial for the rear are MZW38-20. LM 20 for rear are MZT302-20
Kyosho LM 30 for front are MZT301-30. I would get all three and see which rear tire gives you the best balance. Take in mind that the LM tires take more time to break in, as they have a rounded contact patch. There is more mass in the rear tire, which smoothens out the feel of throttle application and there is more roll off throttle into the corner so less drag brake effect.
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tires are purchased. While I'm waiting for parts now, what pinion should I use? I'd rather not deal with changing the spur, unless I absolutely must. I was thinking of just using whatever it already has on it, or maybe on of the spares from my other car. That wouldn't be too much or too little, correct?
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2018.12.22, 03:08 AM
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#20
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EMUracing
Join Date: Oct 2004
Location: NYC
Posts: 7,417
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I don't know which differential you have, or what spur is on it. Ideally you want to run the smallest spur that you can with that mount. It doesn't have much range fi run a large pinion with large spur.
70t runs best with a 12/51 combo in my experience. On a really large layout, a 13 can work.
If you have 48p, run a 10t PN pinion. If it is an atomic 48p differential, then it comes with a 43t spur. I think kyosho comes with a 44, but it's been a while since I've used a kyosho differential. Most 64p variant differentials come with 53t. So generally, 48p is a 10t, 64p is 12 or 13. I remember having difficulty fitting a 13t with large spurs, so I always used the smallest spurs with that mount. Most of the flat mounts have these limitations in gearing.
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EMUracing
Micro RC Syndicate /DG Designs /GSR /Reflex Racing /Fast By Faqish /MurderTown Racing
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2018.12.22, 05:41 AM
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#21
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Registered User
Join Date: Dec 2018
Posts: 48
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Quote:
Originally Posted by EMU
I don't know which differential you have, or what spur is on it. Ideally you want to run the smallest spur that you can with that mount. It doesn't have much range fi run a large pinion with large spur.
70t runs best with a 12/51 combo in my experience. On a really large layout, a 13 can work.
If you have 48p, run a 10t PN pinion. If it is an atomic 48p differential, then it comes with a 43t spur. I think kyosho comes with a 44, but it's been a while since I've used a kyosho differential. Most 64p variant differentials come with 53t. So generally, 48p is a 10t, 64p is 12 or 13. I remember having difficulty fitting a 13t with large spurs, so I always used the smallest spurs with that mount. Most of the flat mounts have these limitations in gearing.
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I havent counted how many teeth, but I'm gonna say it's the 44t spur already on the diff. I bought the MZW308 ball diff. I was thinking about just using whatever pinion I have now for it, my other car is a readyset that came with the 6 to 9t pinions
EDIT: just got home and counted the teeth. I would say it's a 44T spur on it. I didnt have anything to mark with to count, so I eyeballed it and kept a little peice of paper in one of the valleys to make sure I didnt over count.
Last edited by Ka0sgh0st; 2018.12.22 at 06:19 AM.
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2018.12.22, 08:36 AM
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#22
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EMUracing
Join Date: Oct 2004
Location: NYC
Posts: 7,417
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Kyosho diff should have the 44t. Try the 9t pinion, see how that feels. Only if the track is large will you feel slow. Mini-96 rcp, 8t is enough. 3 wide L 9t is good, regional size layout 10t would be needed.
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EMUracing
Micro RC Syndicate /DG Designs /GSR /Reflex Racing /Fast By Faqish /MurderTown Racing
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2018.12.23, 12:41 AM
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#23
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Registered User
Join Date: Dec 2018
Posts: 48
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Quote:
Originally Posted by EMU
Kyosho diff should have the 44t. Try the 9t pinion, see how that feels. Only if the track is large will you feel slow. Mini-96 rcp, 8t is enough. 3 wide L 9t is good, regional size layout 10t would be needed.
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being it will probably only be raced in my house, I should be good with the 9t. I thought my Audi had the 9 on it, but it only has the 6, the 9 was just knocked off the sprue.
thanks for the help. Had I known the pod would have needed a special motor, and the car itself needed the damper, I probably would have gone with a different body altogether.
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2018.12.23, 12:24 PM
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#24
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EMUracing
Join Date: Oct 2004
Location: NYC
Posts: 7,417
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I would have just gone with the plastic LM conversion. It's about $15, comes with a gear differential and damper. It's a great setup. If using a PN 70T, the mesh adjustment shim needs a little reaming due to the shaft bearing flange being .2mm larger than the kyosho motor. Once that is done, the mount can perform just as good as the aluminum mounts as long as motor temperatures don't get hot.
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EMUracing
Micro RC Syndicate /DG Designs /GSR /Reflex Racing /Fast By Faqish /MurderTown Racing
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2018.12.25, 10:38 PM
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#25
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Registered User
Join Date: Dec 2018
Posts: 48
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Quote:
Originally Posted by EMU
I would have just gone with the plastic LM conversion. It's about $15, comes with a gear differential and damper. It's a great setup. If using a PN 70T, the mesh adjustment shim needs a little reaming due to the shaft bearing flange being .2mm larger than the kyosho motor. Once that is done, the mount can perform just as good as the aluminum mounts as long as motor temperatures don't get hot.
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Do I have to do that since I'm using the Atomic mount rather than the Kyosho plastic one?
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2018.12.25, 10:47 PM
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#26
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EMUracing
Join Date: Oct 2004
Location: NYC
Posts: 7,417
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Nope, your mount uses screw holes and attaches with two screws rather than the shim.
One HUGE adjustment this mount has over the stock LM mount is axle height adjustment. This can allow you easy use of non LM tires.
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EMUracing
Micro RC Syndicate /DG Designs /GSR /Reflex Racing /Fast By Faqish /MurderTown Racing
Last edited by EMU; 2018.12.25 at 10:52 PM.
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2018.12.29, 11:41 AM
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#27
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Registered User
Join Date: Dec 2018
Posts: 48
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Quote:
Originally Posted by EMU
Nope, your mount uses screw holes and attaches with two screws rather than the shim.
One HUGE adjustment this mount has over the stock LM mount is axle height adjustment. This can allow you easy use of non LM tires.
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I can't seem to get the motor in the right spot. i could only get it to fit with the 8 tooth pinion, and the mesh is way too tight.
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