The manufacturer Bormatec/Borjet Aeromodels sent us the new Maja wings for further tests. In this second part of the Maja test, we will discuss new wing design.
The improvements were apparent while unpacking.
Cable duct
The new wing has a continuous cable duct. It is 40mm wide and 15mm deep. With the new version, it is easy to fit all the cables inside the wings. Cutting is now no longer necessary. There is enough room for external sensors or lighting systems.
Internal wing spar
Compared to the old version, wing spars cannot be seen from outside. They are now rotated 45 degrees, thus rhombic assembled inside the wing. This improves the stability of the wing and is noticeable during the assembly. The main disadvantage is that the spars are not easy to change like in the old version. However, the Maja is a tough plane and it takes a lot of force to bend the spars.
Wing fastening
Eariler in the MAJA test, we criticized the insecure wing locks.
The manufacturer has made a big improvement. The locking system is now the same as the fuselage; using Duro/Coroplast material. This method has proven reliable in many conditions thus there is no concern about loosing the wings in the air.
New wing profile
The Maja has a new wing profile. It’s a modified NACA 2412, which should improve the slow flight characteristics. The difference between the old and new wing profile can be only seen if you look very closely.
To feel the difference, we did a few test flights with the old and the new wings. Flying weight was brought up to exactly 3kg. We analyzed the flight characteristics of both sets of wings at a constant throttle of about ¾.
The resulting flight time was ~18 minutes with the old set and ~15 minutes with the new wings, neither times include gliding time. The lowest flight speed before stall was 25km/h for the old and 17km/h for the new version. Under 30km/h the old version was harder to control compared to 22-25km/h for the new wing design. We compared each wing on a second flight to confirm the results.
The tests showed a noticeable improvement in slow flying characteristics, which results in a slight decrease in flight time. This decrease in time will be barely noticeable under normal conditions. Our tests were done under extreme conditions.
The results can vary with different power.
Our setup was the same as in the first part of this test:
Motor: Himax 3516- 1130
ESC: Simprop Magic Speed 42
Lipo: 2x 3s – 2450mAh parallel
Prop.: 10×6 Aeronaut Cam Carbon
Gliding and overall performance
The gliding performance of the Maja has improved with the new wings. The model does not loose height as fast as before. The landing approach is now a little easier. In sum the increase of gliding performance is the result of the better slow flying characteristics.
Conclusion
The new are an improvement and sport new features. The minimal decrease in flight time is only barely noticeable during normal flying. This is because of the increase in gliding performance. The new wing has better stability and the new wing locks perform well even in rough conditions.
The company Bormatec continuously improves their models and upgrades as it goes.
Scoring
Pro
++ improved slow flying characteristics
++ improved stability of the wings
+++ new wing fastening
+++ continuous cable duct
Contra
– small decrease in flight time
– change of aluminium spars is more difficult
Result: good
Further information about this product
- Bormatec MAJA review – English
- Bormatec MAJA new wing review – German
- Bormatec MAJA review – German
- Bormatec MAJA discussion thread – English
- Bormatec MAJA discussion thread – German
Tags: Borjet, Borjet Maja, Bormatec MAJA, FPV, FPV-Community, Maja, MAJA RC, UAV
[...] Bormatec MAJA neue Tragfläche – Englisch [...]
[...] Bormatec MAJA – Test der neuen Tragflächen (englisch) [...]
[...] Bormatec MAJA neue Tragfläche – Englisch [...]