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December 24, 2010

ParkJets

Some of parkjet collection that i've found interesting to give it a try (complete discussion and plan). just wanna share. may it move you to build one and share the build as well as your setup.








Sukhoi Su-37 Super Flanker Park Jet (Jetset44-RCGroups)

Wing area: 290 sq in

Span: 30.0”

Length: 36.3”

Weight RTF: 22 to 28 oz

Wing loading: 11 to 14 oz/sq ft

Motor: Two Littlescreamers Park Jet (LSPJ)

Battery: Thunder Power 2100 mAh 11.1V Prolite

Prop: APC 6x4 regular and pusher (counter-rotating props)

Current: 36 amps total

Watts: 350 watts total

Power loading: 220 watts/lb

Speed control: Two Castle Creations Thunderbird 18 or Phoenix 25 ESCs

Receiver: Berg 7P

Flight controls: Stabilators (tailerons), rudder (optional), thrust vectoring (optional)

   





Polaris Seaplane Parkflyer (Jetset44-RCGroups)

Wing area: 343 sq in

Span: 29.0"

Length: 38.4"

Weight RTF: 20 oz

Wing loading: 8.4 oz/sq ft

Motor: Grayson 2212-06

Battery: Thunder Power 2100 mAh 11.1V Prolite

Prop: APC 6x4

Current: 22 amps

Watts: 240 watts

Power loading: 190 watts/lb

Speed control: Grayson 30 amp

Receiver: Berg 7P

Flight controls: Elevator, ailerons, rudder






F-14 Tomcat Park Jet (Jetset44-RCGroups)
Wing area: 220 sq in

Span: 40.7” fully unswept, 24.7” fully swept

Length: 39.8 in

Weight RTF: 22.3 oz as shown painted

Wing loading: 14 oz/ft2

Motor: Himax 2015-4100 with 4.4 gearing

Battery: Thunder Power 11.1V 1320 mAh Lipo

Prop: APC 9x6 SF

Current draw: 12.3 amps static

Power input: 128 watts

Power loading: 100 watts/lb

Radio equipment: Berg 5 receiver, GWS Pico servo (rudder), Hitec HS-55 servos (tailerons), Hitec HS-81MG servo (wing sweep), Phoenix 10 speed control

Flight controls: Tailerons, rudder, wing sweep

 





JAS 39 Gripen Park Jet (Jetset44-RCGroups)
Wing area: 258 sq in

Span: 23.9 in

Length: 42.3 in

Weight RTF: 16.6 oz as shown unpainted (estimate 17.5 oz painted)

Wing loading: 9.8 oz/ft2

Motor: Himax 2015-4100 with 4.4 gearing

Battery: Etec 11.1V 1200 mAh Lipo

Prop: APC 9x6 SF

Current draw: 11.5 amps static

Power loading: 139 watts/lb

Radio equipment: Berg 5 receiver, GWS Pico and Hitec HS-55 servos, Phoenix 10 speed control

Flight controls: Wing elevons, full-flying canard, rudder

  




F-15 Eagle Park Jet (Jetset44-RCGroups)
Wing area: 257 sq in

Span: 27.9 in

Length: 42.3 in

Weight RTF: 15.7 oz as shown unpainted (estimate 16.5 oz painted)

Wing loading: 9.2 oz/ft2

Motor: Axi 2208/34

Battery: Etec 11.1V 1200 mAh Lipo

Prop: APC 9x6 SF

Current draw: 9.7 amps

Power loading: 100 watts/lb

Radio equipment: GWS R-6 receiver, GWS Pico and Hitec HS-55 servos, 10 amp ESC

Flight controls: Wing flaperons, full-flying horizontal stabilizer

  





F/A-18 Hornet Foam Parkflyer (Jetset44-RCGroups)
Wing area: 275 sq in (effective area, which includes the effect of the wing strakes)

Span: 28.4 in

Length: 41.7 in

Weight RTF: 15.6 oz as shown

Wing loading: 8.2 oz/ft2 (based on effective wing area)

Motor: GWS EPS-350 with “C” gearing

Battery: 11.1V 1200 mAh Lipo

Prop: GWS 8x6 SF

Current draw: 9.7 amps

Power loading: 101 watts/lb

Radio equipment: GWS R-6 receiver, GWS Pico and Hitec HS-55 servos, 10 amp ESC

Flight controls: Wing flaperons, full-flying horizontal stabilizer, twin rudders

Materials used: Either 6mm Depron or BlueCore fan fold foam

  




Grumman X-29 Park Jet (Jetset44-RCGroups)
Wing area: 217 sq in

Span: 28.1”

Length: 46.4”

Weight RTF: 20 to 23 oz

Wing loading: 15 oz/sq ft

Motor: Littlescreamers Super Park Jet

Battery: Thunder Power 2100 mAh 11.1V Prolite

Prop: APC 7x5

Current: 19 amps

Watts: 185 watts

Power loading: 130 watts/lb

Speed control: Castle Creations Phoenix 25

Receiver: Berg 7P

Flight controls: Canard, aft strake flaps, ailerons, rudder (optional)

  





F/A-22 Raptor Park Jet (Jetset44-RCGroups)
Wing area: 248 sq in

Span: 26.0"

Length: 36.3"

Weight RTF: 16 to 18 oz (estimate)

Wing loading: 10.5 oz/ft2

Motor: Littlescreamers Park Jet Special (LSPJ)

Battery: Thunder Power 1320 mAh 11.1V Prolite

Prop: APC 7x4 (for aerobatics) or 6x5.5 (for speed)

Current: 15 amps

Watts: 150 watts

Power loading: 140 to 150 watts/lb

Flight controls: Stabilator, flaperons, rudder (optional), thrust vectoring (optional)

  





X-41 Deltastorm (T3chdad - RCGroups)

Length: 30" with motor and prop.

Wingspan: 28"

AUW: 17oz

Power: 2212-06 motor, 30A ESC, 3S 2100mAh 20C (about 230W with a 5.5x4.5 prop)

Paint Scheme: Ukraine SU-27 in honor of my dearly departed Flanker (see my blog).

Paint Used: Anita's All Purpose Acrylic Craft Paint from Hobby Lobby. Finished off with several coats of Minwax Semi-Gloss Polycrylic spray (blue can).

Speed: 134.43kph / 83.53mph (Fastest Doppler result to date).

Canards: Functional via custom mixing with the delta program in my DX7

  





X-42 Deltastorm II (Vectored Thrust) (T3chdad - RCGroups)

Length: 31" (~787mm) with motor and prop.

Wingspan: 28" (~712mm)

AUW: 25oz (~708g)

Power: Two BP/Suppo/no-name 2208-12 motors each with a 30A ESC, 3S 2100mAh 20C, Counter-rotating 7x5 props trimmed-down to 6x5. All this generates about 280W according to the WattsUp.

Paint Scheme: Inspired from a German ME-109 I built as a kid.

Paint Used: Delta Ceramcoat Acrylic Craft Paint from Hobby Lobby ($1ea). Finished off with several coats of Minwax Semi-Gloss Polycrylic spray (blue can).

Decals: Images found on the intarweb. I printed them on CD/DVD labels with my inkjet, cut them out, and stuck them on before the clear-coating.

Speed: Doppler does not like the two motors and four whistles. I got the screwiest-looking graph I've ever seen in wavoscope. I'd give a ballpark guess of about 65-70mph

Canards: Functional via custom mixing with the delta program in my DX7 (rudder channel)

Thrust Vectoring: Accomplished via four custom mixes in my DX7 (Flap and Gear Channels).

  


DRONGO: Depron pusher water plane/park flyer (vleisie rcgroup)

Span: 800mm (31.5")
Length: 650mm (25.6")
Flying Weight: 500g (with 2200mah battery)
Power: 2212-06 motor, 6X4E APC prop, 30A ESC and 3S 1800-2200 MAH battery.

CG Position: 13mm (1/2") in front of the wing break.

Elevon control throws:
Elevator: 20mm up, 20mm down, 10% expo. (0.78")
Aileron: 17mm up, 17mm down, 10% expo. (0.67")

Water rudder: maximum travel without binding, 30% expo.