Category: The RC Doctor
Ansmann Royal Flash Has the Backwards Blues
Question: Hey Doc- I have an Ansmann Racing Royal Flash - when I switch the car on, motor starts to turn backwards without any throttle ... Read More
B4 Buggy Has a Slippery Rear End
Question: RC Doc- I've been driving my Team Associated B4.2 Buggy for a while, self-teaching myself mechanics and such. What I can't figure out is ... Read More
Hobbyking Bad Bugs Buggy Steering
Question: Doctor- The steering in my HobbyKing Bad Bug is pretty sloppy. I watched an online review that stated I need to tighten the steering ... Read More
Team Durango Turning Troubles
Question: Hey Doc- I have a Team Durango DEX410v3 and having some issues with it turning. Our track is on a gymnasium floor that has ... Read More
Keep the Front End Down on my Traxxas Stampede Wheelie Machine
Question: Hey Doc- I recently bought a Dynamite 15T brushed motor and a Dynamite brushed ESC for my modified Traxxas Stampede. My problem is that ... Read More
Hey LRP, Where’s My Reverse?
Question: Hi Doc- I recently purchased a second hand car with the LRP IPC V6 ESC installed in it. My problem is that there is ... Read More
Wiper Speed Control Not Powering Motor
Question: Hey Doc- I have an older Tamiya Blackfoot that uses a wiper speed control. When I turn it on, the servo moves the wiper ... Read More
Hobbywing V3 – Huh, Yeah, What is it Good For?
Question: Hiya Doctor- Hi guys, great site!!!! I have certainly learned more about motors, ESC's, Kv etc. while being here. My question is this: I ... Read More
HPI 5B AVC (or DBox-2)
Question: Hi Doc- Can I use a Spektrum DX2E and SRS4200 (AVC) Receiver on my HPI Baja 5B? I was thinking it might make it ... Read More
DHK Wolf – Steering But No Motor
Question: Hiya Doc- I have a DHK Wolf with a brushless motor and when I turn my car on, it recognizes the but the motor ... Read More
Sticky HPI 5B Steering
Question: Hi Doctor- I have a HPI Baja 5B and am currently racing it in any race I can find. I have been having a ... Read More
Convert my Maisto Rock Crawler to 9.6v
Question: Hiya Doctor- I bought a brand new Maisto Rock Crawler not to long ago. I wired a 9.6v battery to it (like everyone is ... Read More
Diff-icult Question
Question: Hi Doctor- This question is about the Differential setup you have on your site: https://www.competitionx.com/rc-differential-explained/. I'm running a Tamiya TA05R and I use it ... Read More
Tamiya RX7 Topping My HPI Sprint 2 – Will It Fit?
Question: Hey Doc, Would a Tamiya 51270 Mazda RX-7 Body fit on my HPI Sprint 2? I read somewhere that it will fit no problem, ... Read More
Motor Turn Question
Question: Hiya Doc- I just got back into R/C's again and recently purchased the Duratrax Evader EXT2.4. I know its not the greatest truck in ... Read More

















