Sopwith Pup from Grüner CNC


After the1:10 semiscale-models Piperle and Tiger Moth being successful and world-famous for years now, it was time for Ralf Gruener (Gruener-CNC) to set a new "benchmark" with the Sopwith Pup concerning manufacturing quality, fit accuracy, construction manual and construction plan. All wooden parts are precisely cut, BYO-wheels, a detailed, illustrated multicolored manual with rudder deflection, multicolored construction plan, parts list, laser-numbered parts - whatever we wanted: all of it had been realized by Gruener in the construction of the Sopwith Pup. And "the icing on the cake" is the optional dummy of 9-cylinder radial engine made of 225 (!) lasercut single parts. Do we love details? YES, we do!

Important: the construction of this model is not completed "within a couple of evenings"! Above all, this model is for all those, who enjoy building and creating on their own and who are not satisfied with building and creating Climaxx or the Big Easy. 


  • Wooden kit containing CNC-lasercut parts made of balsa and plywood
  • BYO-wheels made of lasercut parts
  • Complete set of small parts and linkages
  • Carbon fibre rod
  • Steel wire in different thicknesses
  • Multicolored plan, parts list
  • Detailed, fully illustrated, multicolored manual including rudder deflections



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FrSky X20

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FrSky X18

FrSky Twin

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FrSky X10

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FrSky X10

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FrSky X9D

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FrSky X10

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We cannot guarantee that the shops listed below do sell the Sopwith Pup in particular but at least we know they do distribute Grüner CNC.

Wingspan: 914mm (36 in)
Length: 670mm (26.4 in)

Weight: 700 g (1.5 lbs)
Wingspan approx. 914 mm
Length approx. 670 mm
Wing area approx. 31 dm²
Take-off weight approx.  700 g
Wing loading approx.  22 g/dm²

Additionnal equipments:

  • BL-motor Roxxy 3530/14
  • Lipo battery 3S/1300mAh
  • Prop APC-E 11.0x5.5
  • 4 x servo DES 427 BB
  • BL-controller Roxxy 930/6
  • ORALIGHT iron-on film of your choice
  • Receiver of your choice
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