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Alpha 2.0

Product Code: ALHPHA2
 (4 reviews)

Price: $560.17

4 in stock
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Description

The Alpha 2.0 is an outstanding lightweight 2m electric glider from Ukraine. This is a new design from a respected manufacturer and the quality of the carbon composite construction is brilliant.

The Alpha 2.0 is a great 200 cm (79") span F5J electric thermal soarer for sports and competition modellers wanting a smaller model. It is very light, well designed, and built to a very high standard. The Alpha 2.0's advanced structural design ensures it is strong enough for its intended mission, and its finish, completeness and attention to detail is outstanding. The kit is very complete with all control conection accessories included.

Special features of this model include:
  • A well designed low drag fuselage with good underwing access for easy RC installation and maintenance.
  • A beautiful canopy hatch for magnetic fasteners for easy access to the powertrain and quick battery changes.
  • A high aspect ratio wing with Drela airfoils optimised for F5J flying - the wing excels in tight thermal turns, allowing the model to be confidently climbed away from small, weak thermals.
  • Despite its extremely good thermal performance the wings maintain a good L/D up to higher speeds, allowing the Alpha 2.0 to easily return from far downwind.
  • Superb quality of construction and attention to detail. The model had been constructed by master builders who must have invested hundreds of hours in each airframe. The level of finish achieved is very rare.
  • The wing breaks down into two pieces and the tailplane is easily removable, allowing the model to be easily transported to contests.

The accessory bag contains a tail pylon, glass fuselage servo mount, carbon servo covers, wire for flap and aileron pushrods, pull cable and torque springs for the tail surfaces, and all control horns. No manaual is available but do look at the Alpha 2.0 RCGroups thread for useful build photos.

Alpha 2.0 Specifications
Wing span 2.0 m 79 in
Wing area 28.6 dm2 443 sq in
Length inc spinner 116 cm 45.5 in
Flying weight from 500 g 17.7 oz
Wing loading 17.5 g/dm 5.7 oz/sq ft
Aspect ratio 14.0
Wing airfoil AG44/45/46
EDA (dihedral) 5.0º
Spinner Diameter 30 mm
Centre of Gravity 60-70 mm from wing leading edge
Controls Rudder, elevator, ailerons, flap, throttle


Alpha 2.0 Typical Weights
Fuselage 71 g 2.5 oz
Wings 180 g 6.3 oz
Tailplane 14.7 g 0.5 oz
Fin 11.7 g 0.4 oz
Accessories & glue 23 g 0.8 oz
Total structure 300 g 10.6 oz
Wiring 10 g 0.4 oz
Pushrods 10 g 0.4 oz
Receiver 6 g 0.2 oz
Rudder servo 5 g 0.2 oz
Elevator servo 5 g 0.2 oz
Wing servos (4) 28 g 1.0 oz
Speed control 25 g 0.9 oz
Motor 45 g 1.6 oz
Prop & spinner 16 g 0.6 oz
Battery 50 g 1.8 oz
Flying weight 500 g 17.7 oz


Recommended RC
Rudder & elevator servos Ripmax SD100, Blue Bird BMS-101DMG, Blue Bird BMS-101HV, Blue Bird BMS-A10H, MKS DS65K, KST X06, KST X08,
Aileron servos (2) Ripmax SD100, Blue Bird BMS-101DMG, Blue Bird BMS-101HV, Blue Bird BMS-A10V, MKS DS65K, KST X06, KST X08N, KST X08H
Flap servos (2) Ripmax SD100, Blue Bird BMS-101DMG, Blue Bird BMS-101HV, Blue Bird BMS-A10V, KST X06, KST X08N, KST X08H, Blue Bird BMS-125, MKS DS6100, MKS HV6100, MKS HV6110
Receiver 5+ channel rx to match your transmitter
Speed control 15A - 35A ESC, Sunrise 20A Pro, HyperFlight 25A BLHELI-32, Sunrise 30A Pro, YGE 35 LVT ESC


Alpha 2.0 Powertrain Recommendations
ADH300L / MM1914-1100 Front Mount 3S 500mAh LiPo, 9x5 prop
ADH300L / MM1914-1100 Front Mount 2S 600mAh LiPo, 11x6 prop
Axi 2208/34 V2 Long 3S 500mah LiPo, 8x5 prop
Axi 2212/26 V2 Long 3S 500mah LiPo, 9x6 prop
Mega 16/15/4 2S 600mAh LiPo, 10x5 prop
Mega 16/15/5 3S 600mAh LiPo, 7x5 prop (29A, 8.2 m/s, 1640 fpm)
Powerline Micro 1010/19 3S 600mAh LiPo, 12x7
Hacker A20-20L 3S 500mah LiPo, 10x7 prop (21A, 1950 fpm)
Hacker A20-20L 2S 600mah LiPo, 13x9 prop (23A, 1750 fpm)
Hacker A20-26M 3S 500mah LiPo, 9x6 prop (16A, 1530 fpm)
Dualsky XM2826-10 2S 600mAh LiPo, 10x7 prop

Reviews 4  


 Review by:

Alpha 2.0

I bought this model for some light weather sport thermal flying.
Ordered it at lunch time and it was delivered at 09:30 the next day! The best customer service from Hyperflight, as always.
The model is a beautiful example of a fully moulded plane - very light, perfect mouldings and nice flying surfaces.
The fittings pack looks to be very complete and as an unexpected bonus the model was supplied with a set of very nice wing/tail/stab covers.
I need to work out what electronics to use but I'm thinking KST X06 servos all round with a Hacker 4.4:1 geared A10-9L. There's not much room in that fuselage.
Looking forward to building and flying.


 Review by:

Alpha 2

Error in original comment.
Nose/spinner diameter is 30mm not 28.


Comment by:

Alpha 2

A light and very nicely molded and finished model.
The fuselage is very skinny and merits some careful thought in order to be able to get everything in. Its so snug in the servo area that care is needed to come up with the right assembly order.
As stated, the nose is a true 28mm diameter - a 28mm outrunner will be a struggle to fit unless the power leads are run outside - or you have something like the old hyperion glider series motors with the extended and tapered nose. An alternative is to replace the motor bulkhead for a rear mount system - the down side would then be an unsupported area at the front of the model, unless a temporary front bulkhead is added later.
The flap servo installation was novel for me - servos inside the fus. connected through a shrouded hole in the side. This means the flap horn is right at the inner end of the surface and has to be engaged with the push rod at every assembly. I guess this results in less outboard weight in the wing and maybe a cleaner wing. In view of how little spare space is in the fuselage wing mounting area, the conventional servo in wing solution might have been better - but time will tell.
The tail surfaces use a spring and pull chord system - new to me but common on F3K models. Not liking the constant load on the servo at centre, I spent sometime winding and trialling counterbalance springs, mounted on the servo shaft.
I'm still juggling to get all the pieces in and reviewing motor options, so test flying may be some time off.


Comment by:

First impression

Only received this morning so can't comment on flying ability but this is an absolute work of art and a thing of beauty. Looking forward immensely to seeing it fly.


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