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Serpent Project 4-X

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Old 11-21-2016, 06:09 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Serpent Project 4-X
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Introduction
This is a wiki page for the new and very interesting concept 4-X from Serpent. This is wiki is meant to develop and grow as more is understood about the car.

Serpent's Product Page - http://www.serpent.com/product/400030
The 4-X Development Story - Here

Manual - Here

Spring Chart
SOFTEST
  • 401705 Spring white C4.4 4X (2)
  • 401706 Spring yellow C4.9 4X (2)
  • 401707 Spring orange C5.5 4X (2) = kit
  • 401708 Spring red C6.3 4X (2)
  • 401709 Spring pink C6.9 4X (2)
  • 401710 Spring blue C7.6 4X (2)
  • 401711 Spring purple C8.4 4X (2) = kit
  • 401712 Spring greenC9.5 4X (2)
  • 401713 Spring grey C10.9 4X (2)
  • 401714 Spring black C12 4X (2)
HARDEST

Build Tips

RCBuilds.net Build, tip guide and youtube video - http://www.rcbuilds.net/builds/onroa...nt-project-4x/
Heave + Roll Damper Build Tips
Pivot Ball Nut Tip

Setups



Setup Tips

Ride Height Adjustment
Adjusting tweak with roll damper
Usage of washer on lower arm
Tuning ARS


Option Parts List


Social Media

Facebook 4-X Group

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Old 04-10-2020, 07:43 AM
  #961  
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Originally Posted by Zbegz View Post
Has anyone purchased the Arrowmax FWD conversion? Or at least seen pictures on the 4x platform?
I recently got an X20, so I'm looking at a conversion to extend the life of one of my 4x, but I cant find much information.
I hadnít seen that.
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Old 04-10-2020, 08:02 AM
  #962  
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I'm still waiting for some images of that conversion.
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Old 05-21-2020, 07:31 AM
  #963  
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Default Pinion Grinding

I have a bit of a problem, I recently installed my motor on my serpent and the pinion/gear grinds when I roll the car. Also what is a good size pinion to start with?
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Old 05-21-2020, 08:31 AM
  #964  
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Originally Posted by ozzieramirez View Post
I have a bit of a problem, I recently installed my motor on my serpent and the pinion/gear grinds when I roll the car. Also what is a good size pinion to start with?
Are they new or used gears? Is the mesh set correctly? Gear selection has a lot to do with what motor you plan to run, so you'll have to tell us a little more info.
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Old 05-21-2020, 08:54 AM
  #965  
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I have a 17.5 motor and the gears are used. I bought the car a few months ago. The pinion I have now was from a 1/10 associated buggy. The car rolls fine without the gear and pinion touching. Maybe I'm not using the right pinion.



QUOTE=Johnny Wishbone;15642033]Are they new or used gears? Is the mesh set correctly? Gear selection has a lot to do with what motor you plan to run, so you'll have to tell us a little more info.[/QUOTE]
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Old 05-21-2020, 11:32 AM
  #966  
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Originally Posted by ozzieramirez View Post
I have a 17.5 motor and the gears are used. I bought the car a few months ago. The pinion I have now was from a 1/10 associated buggy. The car rolls fine without the gear and pinion touching. Maybe I'm not using the right pinion.



QUOTE=Johnny Wishbone;15642033]Are they new or used gears? Is the mesh set correctly? Gear selection has a lot to do with what motor you plan to run, so you'll have to tell us a little more info.
[/QUOTE]

OK, so a ballpark FDR for a 17.5 would be around 5.0, track and timing dependent. I'd start there and check motor temp after 3 minutes and go from there. Sometimes used gears just get loud especially if they are worn to any extent. I'm hoping your using the same pitch gears unless your using a Tamiya gear which has a slightly different pitch then the normal gears.
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Old 05-21-2020, 11:39 AM
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What is FDR? What size spur gear and pinion should I be running? I know it varies track to track, but what is a good starting point?






OK, so a ballpark FDR for a 17.5 would be around 5.0, track and timing dependent. I'd start there and check motor temp after 3 minutes and go from there. Sometimes used gears just get loud especially if they are worn to any extent. I'm hoping your using the same pitch gears unless your using a Tamiya gear which has a slightly different pitch then the normal gears.[/QUOTE]
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Old 05-21-2020, 12:33 PM
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Originally Posted by ozzieramirez View Post
What is FDR? What size spur gear and pinion should I be running? I know it varies track to track, but what is a good starting point?








OK, so a ballpark FDR for a 17.5 would be around 5.0, track and timing dependent. I'd start there and check motor temp after 3 minutes and go from there. Sometimes used gears just get loud especially if they are worn to any extent. I'm hoping your using the same pitch gears unless your using a Tamiya gear which has a slightly different pitch then the normal gears.
[/QUOTE]

If you are running 64 pitch gears, it would be 40 pinion and 100 spur.
If you are running 48 pitch gears, it would be 32 pinion and 80 spur.
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Old 05-22-2020, 01:44 AM
  #969  
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[QUOTE=ozzieramirez;15642044]I have a 17.5 motor and the gears are used. I bought the car a few months ago. The pinion I have now was from a 1/10 associated buggy. The car rolls fine without the gear and pinion touching. Maybe I'm not using the right pinion.


Almost all buggy gears are 48 pitch, not the common 64 pitch in touring cars. No amount of messing with gear mesh will work it that pitch is wrong.
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Old 05-22-2020, 03:22 PM
  #970  
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Thanks for the help.
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