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4-Max
The Fixed Wing
Electric Flight Specialists

 
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SFM Tri 40 Kit (A-SFM8626K)
Only £67.49 (RRP £74.99)

This is a kit of flat bits of balsa wood and ply which you have to build and cover yourself

SFM Tri 40 (Kit) BNF Basic (A-SFM8626K)
The above is an example of a finished kit

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A-SFM8626K Tri 40 Kit

TheTRI-40 is a perfect introduction into 4 channel radio control flying. This version of the TRI-40 is supplied in kit format, allowing you to get fully stuck in with the build in the traditional method.

The airframe is built from laser cut parts that slot together with ease creating a finished structure that is both lightweight and rigid. The instructions guide you through the build and the pre-cut parts speed the process up dramatically from wooden kits of the past. Once built you can install your choice of electric or I/C power systems and adding the radio equipment can be completed over a couple of evenings. The kit includes a metal engine mount, spinner, fuel tank, linkage set, plywood electric motor mount, foam wheels and landing gear as well as a comprehensive hardware pack.

The TRI-40 excells as a trainer and is ectremely stable in a variety of weathers. The low wing loading produces forgiving flight characteristics and the in-built dihedral adds to the stability making it perfect for the novice pilot. Increase the control movements and the TRI-40 II is also capable of sports and aerobatic flying.

Glue, radio equipment and covering material is required to complete.

  • Classic wooden kit construction
  • Laser-cut balsa and plywood parts
  • Optional flaps
  • Comprehensive hardware pack
  • Suitable for both GP and EP power systems
  • Capable of both sports and novice flying
  • Removable battery hatch cover

 

Specification

Wingspan

1600mm (63")

Length

1240mm (48.8")

Weight

1900g (4.19lbs)

Receiver

Not supplied Min 5 channel (6 with flaps)

Battery

Not supplied 4S 3300mAh LiPo

 

Please Note: Due to size and weight limitations we are unable to ship Kits, ARTFs and/or batteries outside of Mainland UK

 

Please Note Due to having our knuckles severely rapped by the Post Office we can no longer send any kind of battery via the post. Any order containing batteries will have to be sent via courier and this will incur a minimum of a £9.49 delivery and packaging charge.
We can not deliver batteries outside of mainland UK

 

We can also supply

Glue, Covering Iron, Soldering Tools, General Tools and Scalpels, Spektrum Transmitters, Spektrum Receivers, Chargers, Charging Accessories

Part Number Description Price Quantity
SFM Tri 40 kit A-SFM8626K Tri 40 (Kit)
(RRP £74.99)
£67.49
PO-3547-800 Brushless Outrunner Motor with Rear Mounting Kit £35.99
PP-TESC45AU Brushless Electronic Speed Controller £32.95
APCE 11x5.5 APC Electric prop 11 x 5.5 £3.55
PPL-40C4S-3300 LiPo Battery 40C, 4S, 14.8V, 3300mAh £43.99
SFM Tri40-SRV Pack 1
Servo Pack
and Servo
Extension Pack
(no Flaps)
4x XL-36 Servo
1x Y lead
2x 600mm Servo Extension Lead
£31.82
SFM Tri40-SRV Pack 2
Servo Pack
and Servo
Extension Pack
(Including Flaps)
6x XL-36 Servo
2x Y lead
4x 600mm Servo Extension Lead
£49.62

 

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