Pursuit (oz14469)

 

Pursuit (oz14469) by Bill Bowne 2019 - plan thumbnail

About this Plan

Pursuit. Radio control sport model for electric power. Wingspan 44.8 in, wing area 360 sq in. Foam construction.

Direct submission to Outerzone.

Quote: "Pursuit KFM3 Foamie, by Bill Bowne.

The Pursuit (so-named as I painted it in Pre-WWII US Army pursuit plane colors) was a test bed for the KFM3 airfoil. As such, it was very successful and showed the KfM3 airfoil has a lot of promise. Unfortunately, hardware failure cost us the model after only a handful of flights, but we will continue to pursue the KfM3 airfoil

The Pursuit was built from 6mm Model Plane Foam (MPF) and 1/4 in sheets of pink house insulation foam (HIF, hot-wired from much thicker sheets). Incidentally, it was MPF’s owner, Mike Springer, who provided me with the technique of making a KfM3 airfoil by bending MPF. I was very happy with how the MPF folded to make the airfoil, much better than the more brittle HIF.

I used Foam-Tack/Foam Cure and clear Gorilla Glue for most construction, When I needed a strong filler, I mixed microballoons with clear Gorilla Glue; where filler is just 'for show', I used cheap spackle (Dollar Store).

I didn’t use CA in the model. CA tends to cure to a brittle bond and won’t flex with the foam the way the foam glues do. I DID use CA hinges, though, but I installed them with clear Gorilla Glue, not CA.

I used a high Kv motor (2200 Kv) so I could get a higher pitch speed on a 2S lipo. By sticking with a 2S pack, I could then use 4 servos on an ordinary ESC, without risking a receiver brownout, whilst still using short pushrods to the unstiffened ailerons..."

Note see RCGroups build thread at https://www.rcgroups.com/forums/showthread.php?3769473

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Pursuit (oz14469) by Bill Bowne 2019 - model pic

Datafile:
  • (oz14469)
    Pursuit
    by Bill Bowne
    2019 
    48in span
    Electric R/C
    clean :)
    all formers complete :)
  • Submitted: 07/03/2023
    Filesize: 576KB
    Format: • PDFvector • CADfile
    Credit*: BillBowne
    Downloads: 353

Pursuit (oz14469) by Bill Bowne 2019 - pic 003.jpg
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Pursuit (oz14469) by Bill Bowne 2019 - pic 004.jpg
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