Installing a second steering servo on the Traxxas Mini Revo (1/16) VXL is an easy and fairly inexpensive upgrade (about $30 in parts). The E...

One disadvantage of the DFC (Direct Flight Control) Rotor Head is that it puts the blade grip control links under a lot of strain and they e...

Here is a tip for the RC heli crowd on how to repair or extend the antennas of the popular AR7200BX flybarless controller. AR7200BX is pret...

One more of these, very rare and very special life-turning days! Couldn't be happier to say: Today, Dec 29 at 1:10am Eastern Time, my se...

UPDATE: SOLD! Thanks Bob! This unit has found a new home at Tufts University, but most importantly, it will be used for scientific research ...

After some experimentation with Glow-in-the-Dark pigment powder and creating the "fireworm", I came up with an application for it...

Sometimes, having a limited edition knife just does not "cut it" :-) I have this urge to improve on commercial products and custom...

After 5 years of moderate use, it was time to perform a basic maintenance of my BigIR Mrk III and I also wanted to take a look inside the El...

UPDATE 4.15.2014: Due to various reasons (personal schedule, parts availability, business feasibility, etc) , I have decided to discontin...

This time - Type-N female. One of the most critical components in DIY calibration standard is the connector used to build it. The market is ...

Jack Smith, K8 ZOA posted an interesting paper on " Measurement approaches of Crystal Motional Parameters " and designed a test ...

I always try to avoid using "between-series" adapters - there are so many out there with questionable quality. Sometimes these ada...