Extra 300S .40 1470mm kit"

Semi scale acrobatic special with span 1470mm"


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EXTRA 300S is a single "live" version of the proven two-seater machine EXTRA 300 with reduced margins and enlarged wings. This machine Extra Flugzeugbau German companies from the late 80s became very popular worldwide and improved versions are still manufactured today. EXTRA is also one of the most popular models for RC models - barely find -akrobata modeler, which would have a "Extřičku" had in their home hangar. And now this wonderful model you can build a well - nicely honestly, rib after rib beam after beam ...

Kit German aerobatic plane classic balsa structure in Rozsyp to drive 6.5-8.5 cc two-stroke engine or a four stroke 8-11,5 cc. Given the favorable ratio of the weight of the airframe and the supporting surface is suitable for conversion to electric drive motor class FOXY C3520 up to 3530 powered from 4-5S LiPo. EXTRA 300 is an ideal project for modelers who already has experience in building simple models in Rozsyp (such as. ElectriCub, Piper 1: 6, etc.). And reliably handles with acrobatic flying models. A sophisticated "interlocking" construction with components provided with protrusions and indentations that fit together like a jigsaw puzzle parts, construction goes very quickly and easily.

The fuselage is a classic design of lightweight balsa and plywood; its "core consists of a simple" bedničková "construction of lightweight plywood that will eventually complement shaped polopřepážkami and balsa cover. You easily get fixed and uncurled design faithfully reproducing the rounded shapes of the actual machine. The engine is mounted on adjustable plastic bed on the plywood bulkhead, engine cover it is plastic. Space for servo rudder, elevator and gas is located in the fuselage above the lower wing.

One-piece wing is symmetrical acrobatic profile is the classic construction with balsa ribs and rigid torsion box cover. The construction greatly facilitates the mounting projections on the ribs guaranteeing establishment of ribs and trailing edge in the correct position. The wing is attached to the fuselage polyamide screws. Ailerons throughout the range are controlled via a single servo drives torsional stored in the midsection.

The tail surfaces are plate, glued from balsa wood beams and předseknutých parts.

Chassis with steerable wire spur coupled to the main rudder is aluminum legs anchored to the hull and plastic aerodynamic wheel covers.

The model can drag the iron sheets - our offer iron-on adhesive films and Oracover Oratrim along with stickers supplied in the kit allows you to easily carry out even the wildest color of ensuring the best "readability" of the model at different positions.

To control model you will need at least four channel radio system. Serva meet the normal standard of stroke 3-4 kg.cm, wilder acrobats can vote for aileron servo stronger. When the conversion to electric propulsion will be appropriate to use miniservo (HS-225BB, HS-225mg, etc.) For the rudder and elevator, and two powerful micro servo for the ailerons (HS-85BB and HS-85mg like.

Kit contains: předseknuté balsa and plywood parts, balsa wood beams and planks for tough coating, plastic engine cover and wheels, transparent canopy, accessory kit, adjustable motor mount, duralumin chassis, sheet self-adhesive decals, construction plan in scale 1: 1 instruction

Margin [mm] 1470
Length [mm] 1220
Weight [g] 2610-0
Wing area [dm 2] 39
controlled functions S, V, K, M
Building intensity S2, S3
Difficulty piloting P2, P3

Recommended drive and RC equipment:

Sport 2T Akro 2T 4T Sport Akro 4T
Engine ASP S46A OS . MAX 46AX II ASP FS-61AR OS MAX FS? -72
Propeller MA 11x6 " APC 11x6 " MA 12x8 " MA 13x8 "
Tank (ccm) 250-300 250-300 200-250 200-250
Serva 4x HS-422 and HS-430BH
RC rig min. 4 channels