Wednesday, 11 June 2014

Radjet on 4S Battery

...giving the Radjet a bit of zing

I took the Radjet out this afternoon, having fun surfing a strong northerly breeze. Having depleted both batteries, and thinking the conditions a little extreme for the Phoenix, I pondered what i could do. Mentally reviewing my other spare batteries, one possibility presented itself.

The Radjet has been getting a bit slow lately; I'm not sure why but not being able to access the ESC or motor, I haven't been able to do any checks. My thought now was to try it out with one of the Rarebear's batteries; although diminutive they are four cell, which would give the Radjet a bit of a kick. Or make the ESC explode. Or melt the motor.

The 4S batteries are quite chubby, not unlike the Rarebear itself, so this was the first test. Amazingly enough, the battery fitted in the Radjet's fuselage, just. The next test would be when the power was connected. Actually, plugging in the battery had the ESC giving an extra beep, encouragingly recognising the extra cell in the battery.

Having given the controls a quick check, I flipped on the power somewhat hesitantly, not really knowing what to expect. The motor spun up, a little more energetically, then I cranked it up to two thirds and heaved the little plane skywards.

Hitting full power about halfway through launch, the faster prop speed was immediately obvious, as was the energy with which the Radjet was carving up the skies. While not massively fast, it was still considerably faster, and the return of its crackling propellor note was most welcome.

I think the 4S will be a regular occurrence with the Radjet from now on, turning the radjet back into the hooligan it always was...

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