Whirlwind Scratchy

Please choose first the "Version", the "Material" and the "Build" to see the price and more details on your choice . Then you'll be able to put your product into the basket.

Another agile edge gymnast with fun guarantee!

• Fully assembled (ARF) or ready to fly (RTF)
  
• Significantly improved layup
  
• Additionally 2x24k carbon rovings in the leading edge
  
• All highly stressed areas additionally reinforced with CFRP
  
• Diab Divinycell H35 PVC foam instead of balsa as a support material in the wing
  
• Increased durability and service life
  
• Finished wiring harness for fuselage and wings
  
• Simple protective bags included

Are you looking for the ultimate challenge and agility? Then you are exactly right with this plane. Thanks to its large oars and large elevator unit, this glider can hardly be beaten for agility. A real whirlwind among the slope flyers!

Like its smaller brother, the model can not be easily motorized and requires due to its high maneuverability an experienced pilot.

The model can not be easily motorized and requires an experienced pilot due to its high maneuverability .

Version:

• Glider: Narrow fuselage.
  
• Electro: Electric fuselage with sufficient space for all components. No ballast tube in the fuselage (of course, all other ballasting options remains).
  

Material:

• Glass/Carbon: Glass with various carbon reinforcements
  
• Full Carbon: Carbon fuselage and wings. Very solid. (front fuselage partly with glass for better signal reception)
  

Build:

• Standard Kit: All standard parts incl. wiring harness
  
• Full Build Kit (Glider): Standard kit + servo set, battery and magnetic switch
• Full Build Kit (Electro): Standard kit + servo set, spinner, propeller, motor, if necessary, a gearbox, controller and motor-battery (instead of a small receiver battery)
  
• Read To Fly: Full Build Kit + complete assembly of the aircraft by us within a few days!
  

Classification:

• Easy to build..........⭐⭐⭐⭐⭐
  
• Easy to set up........⭐⭐⭐
  
• Easy to fly..............⭐⭐⭐
  
• Speed.................... ⭐⭐⭐⭐⭐
• Thermal................. ⭐
• Agility..................... ⭐⭐⭐⭐⭐
  

Technical data:

• Wingspan: 2.350 mm
  
• Wing area: 48 dm²
  
• Wing Aspect Ratio: 11,5
  
• Airfoil thickness: 10 %
  
• Center of gravity: 95-100 mm
  
• Flight weight: 2100 gr
  
• Wing loading: 43,8 gr/dm²
  
• Airfoil: SD-8020
  
• Fuselage ballast: yes
• Wing ballast: yes

Controls:

• Elevator
  
• Rudder
  
• Ailerons
  
• Flaps
  

Wings and tailplane:

• High strength gel-coat glass/carbon wings in shell design
  
• Clean, high quality processing
  
• Various carbon inlays at high stressed points
  
• Painted in the mould
  
• Top side white
  
• Bottom side green
  
• All part joiner made from carbon ⭐
  
• All part joiner pre-finished and ready for assembly ⭐
  
• All tailplane joiner pre-finished and ready for assembly ⭐
  
• Sealing lips on all rudders ⭐
  

Fuselage:

• High strength gelcoat glass/carbon fuselage
  
• Clean, high quality processing
  
• Multiple non-stop carbon inserts ⭐
  
• Various carbon inlays at high stressed points ⭐
  
• Painted in the mould
  
• Green canopy
  

Accessories included:

• Glass canopy with glued carbon fastening spring ⭐
  
• Glass ballast tube ⭐
  
• Glass servo covers Servo support plate (fuselage)
  
• 4x servo frames (wings)
  
• Carbon wing joiner
  
• Glass control horns ⭐
  
• High quality clevis made of spring steel ⭐
  
• Small parts set Standard protective bags with velcro closure for wings, tail unit and fuselage ⭐
  
• Pre-assembled and encapsulated wiring harness ⭐
  

Further recommended accessories:

• Fitting servo set (available here in the shop) ⭐
  
• Li-Ion 7.4V 3350 mAh (available here in the shop) ⭐
  
• Magnetic switch (available here in the shop) ⭐
  
• Foils sticker sheet incl. transfer foil and felt squeegee (available here in the shop) ⭐
  

Servo recommendation:

• Tail: 2x KST X12
  
• Aileron: 2x KST X10
  
• Flaps: 2x KST X10
  
• Note our low-priced servo sets in the accessories area! ⭐
  

Rudder setup:

• Elevator: 17 mm up/down
  
• Rudder: 15 mm left/right
  
• Aileron: 13 mm up, 8 mm down

• Snap-Flap: 3 mm landing flap, aileron fitting
  
• Crow: landing flap 70 degrees down, aileron 16 degrees up, elevator 3 mm down
  
• Speed: flaps 1 mm high, ailerons matching

(All mm data measured at the position of the largest deflection of the rudder)

Ballasting recommendation:

• Wind > 12 km/h: 390 [gr.]
  
• Wind > 15 km/h: 520 [gr.]
  
• Wind > 19 km/h: 660 [gr.]
  
• Wind > 22 km/h: 790 [gr.]
  
• Wind > 26 km/h: 920 [gr.]
  
• Wind > 29 km/h: 1050 [gr.]
  
• Wind > 32 km/h: 1180 [gr.]
  
• Wind > 35 km/h: 1320 [gr.]

Questions? info@composite-rc-gliders.com