UMX Tristar EDF (oz10045)


UMX Tristar EDF (oz10045) by Ian Kunz 2018 - plan thumbnail

About this Plan

UMX Tristar EDF. Radio control sport model, with electric ducted fan. Wingspan 17-1/4in, wing area 47 sq in. For EFLDF180M2 fan unit.

Quote: "UMX Sig Tri-Star 180 EDF.

This is a scaled down version of Sig's .15 size 2-stroke model by Leroy Satterlee which I have as electric conversion. I like the full size version so much that a few years ago I built my first micro version of it powered with a Parkzone UMX F-27 Stryker system. It was a quick build and as such, not the strongest plane. So for my new one, I decided to learn how to use CAD and draw out my first plane and solicit my dad and his laser to cut it out.

A few changes that I made were power source (obviously) and a single central mounted vertical stabilizer with a rudder rather than two wing tip mounted vertical stabilizers with no rudder. The reason I did these is because I thought it would make for a cool EDF and because on the full size model the lack of rudder can make interesting last second corrections on landings. I am also using this plane as a test platform in case I want to super size it in the future. It will be powered by a single E-Flight 28mm fan unit on 2S."

Build thread for this design is on RCGroups at with maiden flight video at

Direct submission to Outerzone.


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UMX Tristar EDF (oz10045) by Ian Kunz 2018 - model pic

  • (oz10045)
    UMX Tristar EDF
    by Ian Kunz
    17in span
    Electric R/C
    all formers complete :)
  • Submitted: 02/05/2018
    Filesize: 191KB
    Format: • PDFbitmap
    Credit*: IanKunz

UMX Tristar EDF (oz10045) by Ian Kunz 2018 - pic 003.jpg
UMX Tristar EDF (oz10045) by Ian Kunz 2018 - pic 004.jpg

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User comments

Where is the CG?
anon - 08/05/2018
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