Category: The RC Doctor

Ansmann Royal Flash Has the Backwards Blues

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

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

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

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

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?

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

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?

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)

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

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

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

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

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?

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

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