The RC Doctor

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 how to keep the back end from spinning out and fishtailing through the corners. I assume it has something to do with adjusting the cambers in the rear, maybe increase the negative pitch? I’ve never …

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Bad Bugs Buggy Steering

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 servo and use a little bit of threadlock to keep it tight, but I’m not sure where to do that (it was hard to see in the review). Do you have any ideas where I …

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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 carpet patches in the corners. On the straights its fine, but the moment I hit the corners it doesn’t want to turn. Everyone uses a mini pin tire (which is what I have) but mine …

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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 I have too much torque now and every time I hit the gas, it wheelies and scrapes the back of the truck. Do you have any tips to keep my front end on the ground? …

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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 no reverse on the remote. I replaced the old remote (crystals) with a Turnigy GTX3 2.4GHz remote and receiver and still no response when trying to reverse. I’m lost! Help! Christo Answer: Hi Christo, LRP’s …

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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 arm back and forth, but the truck doesn’t go anywhere. I’m pretty sure both the battery and motor are good, so I’m not sure what the problem is. Help! Dave Answer: Hi Dave, The Tamiya …

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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 recently purchased a Hobbywing V3 ESC – best buy ever! What are the other makes of Hobbywing motors that I can use on this ESC? The V3 only gives heat and RPM specs on Hobbywing …

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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 alot easier to drive. Thanks for your help! Kudin Answer: Hi Kudin, HPI’s Baja 5B has been around a long time and it’s one of the coolest 1:5th scale buggies out there. There are also …

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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 doesn’t respond. Do you think it’s the motor or the ESC? Andre Answer: Hi Andre, The DHK Wolf comes in two flavors; brushed and brushless. Usually you have fewer problems with the brushless version due …

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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 problem with the steering returning to center. I have checked the battery and recharged it with no change. The servo has been changed with a Savox SV-0236MG “Super Torque” Steel Gear Digital 1/5 Scale Servo. …

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