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Jan 31, 2014, 11:31 AM
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A few helpful tips from ServoCity techs

Our techs are always working on projects, both at work and at home. They are also constantly interacting with customers and learning about the roadblocks and issues that many RC builders face...and helping them come up with solutions. We try to post a Tech Tip on our social media pages about 1 a week. But we also keep a running archive of them here: This week, we thought we'd post a few of the most viewed tech tips. Hopefully you will find one or two of them helpful! If you have a topic you'd like to see covered in a tech tip, let us know in the comments!

1-14-2014: Another use for flat snips
As hobbyists, we all have our favorite tools that tend to get used more than others in the toolbox. Some even get used for intentions other than what they were designed for. One of our common misused tools is the flat snips. These snips work just fine cutting wires, zip ties and other small items, however they also work well removing brass pinion gears from servos, and even tightening up diameter aluminum standoffs. Our brass servo pinion gears have a broached spline that is a very snug fit when going onto the servo. This does mean however that its a bit difficult to remove the servo pinion gear from the servo if needed. Using the flat snips, you can grab down in two valleys of the gear and wiggle the gear back and forth to remove it without damaging the gear or the servo. The tool can be used in a similar fashion to hold an aluminum standoff from spinning while tightening the screws. The jaws behind the cutting surface are smooth so that they will not mar the surface of the standoff.
Links: Flat Snips

1-28-2014: Differences in servo gears
Servo gears come in various materials such as nylon, Karbonite, metal and titanium. Nylon gears are typically found in servos with relatively low torque output. Nylon wears well but cannot handle the abuse that other make-ups can. Karbonite gears wear even better than nylon and can withstand abuse better. Metal gears do not wear as well as the nylon or Karbonite gears but are less prone to stripping out when used in demanding applications. Titanium gears are found in the high end servos and have the best wear characteristics and are nearly indestructible.
Links: Servo Gear Sets

10-1-2013: Create longer servo extensions
Here is an easy way to put ends on your wire and create a longer servo extension to your specifications. When using our bulk servo wire, cut a short servo extension in half and splice the pieces onto the bulk wire.
Links: Servo Extensions and Leads, Bulk Servo Wire

12-10-2013: Functionality of the Servo Mixer
A servo mixer can be useful when using servos that have been modified to continuous rotation as the drive mechanisms for a robot. Each drive wheel requires a separate channel to operate. When using a wireless radio system without a servo mixer to operate this type of robot it can be difficult to operate. One servo will be controlled by the up/down movement of the joystick while the other servo is controlled from the left/right movement of the joystick. This means that in order to drive straight, the operator must push the joystick diagonally. Using a servo mixer will combine these two channels and greatly simplify the way the servos operate together. The servo mixer will allow you to move the joystick straight up or down to go forward or backward and left and right to turn the vehicle accordingly.
Links: Servo Mixer

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