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Tempest 2.75m

Product Code: TEMPEST
 (1 review)

Price: $835.67

3 in stock
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Description

The Tempest is a 2.75m fast high energy slope soarer designed to excel in UK conditions by Jonathan Wells. The Tempest is the latest model from TJI RC and is built to high standards, with an excellent finish and a bullet proof strength.

The T tail model has a great speed range and excels in high energy conditions. Unballasted it weighs approx 2.4Kg and can be ballasted up to 4.1Kg using the rectangular pockets built into the wing roots.

The model is available in glass skin and all carbon layups, with the latter recommended for the top performance and strength.

The accessory pack contains all the control linkages and ply servo trays for the wing servos. The linkage hardware for the T tail elevator linkage is included but no construction info is currently available.

Aileron & flap bays: 55mm x 46mm, for 10mm thick servo
Elevator fin bay: 38mm x 41mm for srvo up to 12mm thick
Rudder servo forward tray hole size: 25.5mm x 12mm
Wing Joiner: 36mm x 12mm x 375mm total length
Wing Ballast holes: 2x 10.5mm x 20.6mm x 249mm
T tail mounting bolts: M4 x 25mm countersink

Lots more info on this RCGroups Tempest thread.


Tempest Specifications
Wing span 2.75 m 108 in
Wing area 50.0 dm2 775 sq in
Length 140 cm 54.9 in
Flying weight from 2400 g 84.7 oz
Wing loading 48.0 g/dm 15.7 oz/sq ft
Aspect ratio 15.1
Wing airfoil Custom
EDA (dihedral) 2.5º
Centre of Gravity 103-107 mm from wing leading edge
Controls Ailerons, flaps, elevator, rudder


Recommended Servos
Rudder (nose mounted) KST DS145, KST X10-710, KST MS325, KST MS320, KST X12-508, KST DS215
Elevator (fin mounted) KST X08, KST X08H, KST A08, KST A08H, MKS HV6110, MKS HV6100, MKS DS6100
Flap KST DS125, KST X10, MKS HV6130
Aileron KST DS125, KST X10, MKS HV6130


Tempest Carbon Layup Typical Weights
Fuselage inc nosecone 368 g 13.0 oz
Left wing 624 g 22.0 oz
Right wing 622 g 21.9 oz
Tailplane 71 g 2.5 oz
Wing joiner 94 g 3.3 oz
Accessories 67 g 2.4 oz
Total structure 1846 g 65.1 oz
Wiring 33 g 1.2 oz
Receiver 10 g 0.4 oz
Elevator servo 9 g 0.3 oz
Rudder servo 20 g 0.7 oz
Wing servos (4) 112 g 4.0 oz
Battery 160 g 5.6 oz
Nose weight 210 g 7.4 oz
Flying weight from 2400 g 84.7 oz






Reviews 1  


 Review by:

Fantastic, performance of a far more costly model

Fantastic F3F type glider. The quality of the airframe is very good. Hardware though usable is not quite so good, you might want to upgrade pushrods clevises and servo mounts. The model comes with no instructions so I started my own build log over on RC Groups: https://www.rcgroups.com/forums/showthread.php?4106039-TJI-Tempest-from-Hyperflight-build-log


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