Proud owner of a Jet Exec (turbine) RotorWay helicopter, Joseph Luiz completed his build in late 2017. In attendance for the 2015 EAA AirVenture fly-in convention (Oshkosh), he scoured the grounds to find an affordable, easy-to-use track and balance system for his RotorWay copter. Joe states “I went to Oshkosh with a mission; I went to every single booth that was providing this type of equipment because I needed something that worked flawlessly and provided peace of mind."
Before acquiring a track and balance solution, Joe had an unsuccessful attempt to balance the high-speed tail rotor on his RotorWay. “I ended up bending a shaft because I really didn't know how to properly balance.” At AirVenture, Joe visited the RPX Technologies booth where he discovered and bought a complete DynaVibe system with the DynaTrack optical tracking accessory. The DynaTrack simplified the helicopter track and balance with built-in setup information specifically for his RotorWay, as well as a compiled database of other helicopter systems.
Joe is using DynaVibe and DynaTrack to perform dynamic main and tail rotor balancing, as well as blade tracking. “It's been very simple and easy to use. With rotorcraft, you've got all this dynamic action occurring in unison, so it has to be just right. There is truly no margin of error, and I found DynaTrack helps eliminate that error.” He was able to track and balance his RotorWay’s main blades in a hover with one reading and one slave blade adjustment. DynaTrack representatives recommended that he begin the process by doing a hover track to make an initial assessment: “I did the readings and found I was three quarters of an inch out on my slave blade. I consulted the documentation, and it looked like I needed to make a pitch change on the slave blade to bring it down to match the master blade. I made a half turn on the slave blade and brought it within a tenth of an inch, and it was a night and day in performance. It was amazing, and I did that with one measurement! The change in performance and vibration levels was just phenomenal.”
Joe continues to use his DynaTrack to achieve optimal performance. “I'm flying, and I'm doing my dynamic main rotor blade tracking right now using the DynaTrack.” Joe also uses the DynaVibe system to balance the tail rotor. The result is a smoother flight and peak performance. Eliminating the vibrations that come from unbalanced or out-of-track rotors also reduces stress on the airframe, engine, and instruments. “For the amount of money that I spent and the functionality of the equipment, it was a no-brainer. The price was important to me because I'm not in the business of doing this. I wanted to get the best equipment I could without breaking the bank. Overall, I'm very satisfied with the equipment.”
His advice to fellow builders and/or owners? “Don’t beat around the bush on this one, the DynaTrack will ultimately save you thousands of dollars in prevented misbalances, provide optimal performance, and ensure peace of mind in its use. Simply put: just buy it.”
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