So Dialed Logo

21% off Mamba X SCT Brushless Combo

$280 → $220 · save $60 at AMain

See deal

Best Gear Calculator App

Calculate your ratio, FDR, pill insert geometry, corner weights, and more!

Get App
RC Setup App icon

Free to start · iOS & Android

Setup App & Race Log

Your Schumacher Cougar LD3 is in the RC Setup App

Save every setup change you make to your Schumacher Cougar LD3, get AI tuning answers for that exact car, and log your races — at the track or back in the pits.

  • Setup Tracking
  • AI Mechanic answers
  • Find & Share Setups
  • Race Log
  • Gear Ratio Calculator
  • Free to use
Download on the App StoreGet it on Google Play
← Back to Setup Guides