Little Acro EDF-Version

CArts Little Acro EDF-Version

• Span: approx. 1200 mm
• Body length: approx. 720 mm
• Take-off weight (LW-PLA): approx. 600-650 g
• Drive: EDF 50mm diameter
• Propeller : folding propeller
• Battery: 3S Lipo 1000 mAh
• Controls: elevator / rudder / aileron (flaperon +-10°) / motor
• Center of gravity: 35 mm behind the profile nose
• Rudder deflections: 20-30 °

I ordered the EDF online: DIAMONDDYNAMICS DD 50 mm EDF 11 Blatt

After a crash caused by a propeller that broke off in flight, I was forced to rebuild the Little Acro.
I built the new version with a 50mm impeller drive.

The files included here are the redesigned and new parts for the EDF-Version.
The other parts are the same as in the propeller-version of the plane which you can also download here on printables.com:
https://www.printables.com/de/model/286916-little-acro

The Little Acro is a small electrically powered acrobatic sail plane, that easily fits in almost every car trunk. The wing is in one part, screwed to the fuselage. But it can be detached to service the servos in the fuselage.

As a pilot you should have some experience, as in my opinion 3d-printed models are not suitable for beginners. The model is capable of rolls, loops, inverted flying and maybe more. But as I'm not a very experienced acrobatic pilot, I didn't try out more, yet.

If you decide to build the model, I would appreciate a short report on your experience in the comments or you can contact me via the prusaprinter messenger.
This would help me a lot to improve the design my new models or to fix errors in the actual models.

The Little Acro should be printed from lightweight PLA (LW-PLA). The construction of the parts is designed for a minimum of retracts is necessary when printing. This minimizes stringing when using LW-PLA. Some parts however must be printed in PLA or PETG.

I placed more than one part on the printplate but they are printed sequetially one by one. This saves a lot of time and reduces stringing when printing in LW-PLA or TPU!

The overall printing time of the whole model is about 100 hours.

Modifiers are used in the print files . These are essential for the stability and for the structure of the individual parts! The surfaces for connecting the individual parts are made by using modifiers .

EDF-version of the Little Acro.