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PRODUCT REVIEW: ALIGN APS SYSTEM
Waypoint GPS navigation for RC helis The Align T-Rex 500 Pro makes an excellent platform for the Align APS stabilization and navigation system. The APS is suitable for 3GX-equipped helis from 450 up to 800 size. (Photo by Kevin Carroll) In the last few years, the pace of advances for RC helis has been nothing short of dizzying. First there was the flybarless revolution, making helis easier to build and boosting performance and efficiency. Then...
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