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Purito
is probably the best 2m RES build-it-yourself model currently available. We now have the latest 2.0 version with many detail improvements. A direct descendant of the Pures and the Slight the Schweiger family concern have optimised the design as far as possible with current (2020) CNC technology. The main design change is to a lower aspect ratio wing to increase the Reynolds Number and give better overall performance and particularly nice handling. Despite the larger wing the weight has been kept the same, resulting in a lower wing loading and excellent performance in weak conditions.
is probably the best 2m RES build-it-yourself model currently available. We now have the latest 2.0 version with many detail improvements. A direct descendant of the Pures and the Slight the Schweiger family concern have optimised the design as far as possible with current (2020) CNC technology. The main design change is to a lower aspect ratio wing to increase the Reynolds Number and give better overall performance and particularly nice handling. Despite the larger wing the weight has been kept the same, resulting in a lower wing loading and excellent performance in weak conditions.
The
amazing wing is the major improvement of this design. The main spar is a
substantial carbon tube which gives the structure excellent rigidity. A
multitude of ribs are threaded over this tube to give the airfoil
shape. This is even better maintained over the critical front portion by
utilising two sub-ribs between each full rib, almost eliminating
covering sag, and reducing drag appreciably. Becuse the tubular spar is
inset below the covering surface there isn't a discontinuity at the spar
line which is great feature - this usually trips the boundary layer and
causes extra drag.
The kit is beatifully made up with excellently CNC cut balsa and ply parts. The wing is built over/in a 3D jig which ensures all the ribs are perfectly placed and aligned. This can be seen in the clear photos in the Purito German Build Manual. In addition to the manual, full size plans are povided for the tail surfaces. English speakers should refer to the RCGroups Purito thread for detailed build info and Google translate the German text if necessary. Also use Google Translate on this very useful RC-Network.de Purito thread. Before building please checkout this link to the latest manuals and translations.
| Specification Purito V2 |
|
| Wingspan |
2000 mm |
| Wing area |
39,7 dm2 |
| Length |
1190 mm |
| Weight RTF |
from ca 440 g |
| Wing |
10 |
| Wing airfoil |
AG35-38 mod. |
| (EDA) |
11 st. |
| CG |
75-80 mm od náb. hrany |
| Recommended RC equipment |
|
|---|---|
| Tail servos |
Blue Bird BMS-101DMG, Blue Bird BMS-101HV, Blue Bird BMS-A10H, KST X06, Chaservo HV06 |
| Spoiler servos | Blue Bird BMS-101DMG, Blue Bird BMS-101HV, KST X06 |
| Receiver | min. 5 channels, match to transmitter |
| Battery | ESC BEC |
| Proved power unit |
|
|---|---|
| Motor |
Dualsky XM2225EG-23 outrunner,
shaft 3mm Dualsky XM2527EG-23 capsuled outrunner,
shaft 3,2mm |
| Prop | Aeronaut 8x4 |
| Spinner |
Dualsky 30/3, Dualsky 32/3,2 |
| Cpntroller | Dualsky XC22L Castle Talon 15 |
| Battery | Dualsky ULTRA 480-3S (150C) |
| Control movements |
|
|---|---|
| Rudder | 20 mm each side |
| Elevator |
10 mm up/down |
| Spoilers | 80º - 90º deg. |