Parkjets

#1 in Free RC Parkjet Plans

X-31

0.00
x-31-3.jpg

X-31

0.00

Designed by Steve Shumate

If you download plans and build the Skyray, please consider sending the designer a donation for all of his hard work and inspiration!

PayPal | jetset44@gmail.com

Suggested Donation: $10.00

NOTE FROM THE DESIGNER

The overall handling qualities of this model are very good. It is VERY quick on the controls at medium to high speed as expected, but because of the thrust vectoring system it’s also quick on the controls at low speeds. That’s something that takes getting used to with a jet, though it’s not at all unlike a foamie 3D ship. It’s also very aerobatic, with blindingly-fast rolls and easy loops.

The Microfan/Hyperion Y22S combo provides GOBS of power on this ship. I haven’t directly measured the thrust, but it appears to be in the 11-12 oz range since the 13.5 oz model can almost climb vertical.

From a high speed pass, though, it will climb vertical out of sight. And launch is very easy and the model cruises around easily at ½ throttle and does big loops from level flight. Top speed seems to be in the neighborhood of 60-70 mph, but that’s tough to gauge by eye since this model is so small.

However, with 20 amp current draw static, this setup is definitely pushing my TP 1320 PL batteries to the limit. The batteries are very hot after the flight and my flight times have averaged only about 5 to 6 minutes. Gotta be very sparing with full throttle on this setup!

SUGGESTED SET UP

Motor: Hyperion Y22S 5000 kV | Fan: Wemotec Microfan | Battery: Thunder Power 11.1V 1320 mAh Lipo | Current draw: 20.0 amps static | Power input: 200 watts | Power loading: 240 watts/lb | Electronics: Hitec Electron 6 Rx, Phoenix 25 ESC, 5 GWS Pico servos | Flight controls: Elevons, canard, rudder, pitch control vane, yaw control vane (5 servos total)

BUILD THREAD

RC GROUPS BUILD THREAD

 

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Designed by Steve Shumate

If you download plans and build the Skyray, please consider sending the designer a donation for all of his hard work and inspiration!

PayPal | jetset44@gmail.com

Suggested Donation: $10.00

NOTE FROM THE DESIGNER

The overall handling qualities of this model are very good. It is VERY quick on the controls at medium to high speed as expected, but because of the thrust vectoring system it’s also quick on the controls at low speeds. That’s something that takes getting used to with a jet, though it’s not at all unlike a foamie 3D ship. It’s also very aerobatic, with blindingly-fast rolls and easy loops.

The Microfan/Hyperion Y22S combo provides GOBS of power on this ship. I haven’t directly measured the thrust, but it appears to be in the 11-12 oz range since the 13.5 oz model can almost climb vertical.

From a high speed pass, though, it will climb vertical out of sight. And launch is very easy and the model cruises around easily at ½ throttle and does big loops from level flight. Top speed seems to be in the neighborhood of 60-70 mph, but that’s tough to gauge by eye since this model is so small.

However, with 20 amp current draw static, this setup is definitely pushing my TP 1320 PL batteries to the limit. The batteries are very hot after the flight and my flight times have averaged only about 5 to 6 minutes. Gotta be very sparing with full throttle on this setup!

SUGGESTED SET UP

Motor: Hyperion Y22S 5000 kV | Fan: Wemotec Microfan | Battery: Thunder Power 11.1V 1320 mAh Lipo | Current draw: 20.0 amps static | Power input: 200 watts | Power loading: 240 watts/lb | Electronics: Hitec Electron 6 Rx, Phoenix 25 ESC, 5 GWS Pico servos | Flight controls: Elevons, canard, rudder, pitch control vane, yaw control vane (5 servos total)

BUILD THREAD

RC GROUPS BUILD THREAD