The little 850 4S lipo that had served the Radjet well finally went to battery heaven which left me pondering what to do. However, with the Stinger in pieces under the table awaiting a new fuselage, the obvious option was to adopt that.
I'd flown the Radjet once before with the 1800 4S; it flew OK although the battery is a little oversized, and it also didn't quite fit in with the small hatch I'd made to fit the battery in with the Radjet's reconfigured nose.
So I made a second magnetic hatch, which allowed the big battery to be inserted with ease, being pushed into the front fuselage just enough to secure it and allow balance to be set.
As before, the extra weight shows, with the Radjet needing a little up-elevator trim to compensate. Also, although the battery has a 40C rating, it still doesn't deliver the kick that the little 45-90 nanotech does.
But the Radjet still flies well and, with its sleeker lines, isn't much off the pace. A bonus with the big pack is that the Radjet now flies flat out for longer...
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