Bi-Hawk (oz7607)


Bi-Hawk (oz7607) by Dick Barnard 1963 - plan thumbnail

About this Plan

Bi-Hawk. Radio control sport model.

Quote: "Hello Steve - Your website is one of the best things that has happened to modelers in my lifetime! I do have to go through my plans and figure out what I may be able to contribute. Here is plan for the Ecktronics Bi-Hawk. The plan dates to 1963 and was originally designed for single channel radio gear and an .049 engine. The designer listed on the plan is Dick Barnard. Cheers, Scott."

Direct submission to Outerzone.

Update 12/10/2021: Added tailplane file, thanks to DuaneHolliger.

Quote: "Hi Steve; This plan does not show the horizontal tail, and I see it has been requested. Here is a tracing of the kit part [see supplement file]. There is no separate elevator, as this was a rudder-only kit. I also included pictures of the box label [pics 009, 010]. The engine requirement is noteworthy. Apparently, an .020 is enough engine, but only if it is a 'hot' one."

Supplementary file notes

Tailplane tracing.


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Bi-Hawk (oz7607) by Dick Barnard 1963 - model pic

  • (oz7607)
    by Dick Barnard
    from Ecktronics
    30in span
    IC R/C Biplane Kit
    clean :)
    formers unchecked
  • Submitted: 06/04/2016
    Filesize: 1138KB
    Format: • PDFbitmap
    Credit*: ScottCopeland, DuaneHolliger
    Downloads: 2536

Bi-Hawk (oz7607) by Dick Barnard 1963 - pic 003.jpg
Bi-Hawk (oz7607) by Dick Barnard 1963 - pic 004.jpg
Bi-Hawk (oz7607) by Dick Barnard 1963 - pic 005.jpg
Bi-Hawk (oz7607) by Dick Barnard 1963 - pic 006.jpg
Bi-Hawk (oz7607) by Dick Barnard 1963 - pic 007.jpg
Bi-Hawk (oz7607) by Dick Barnard 1963 - pic 008.jpg
Bi-Hawk (oz7607) by Dick Barnard 1963 - pic 009.jpg
Bi-Hawk (oz7607) by Dick Barnard 1963 - pic 010.jpg
Bi-Hawk (oz7607) by Dick Barnard 1963 - pic 011.jpg

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User comments

Hi, this plan ( planID=7607) is missing the tail plane pattern. Is it possible to find it? Best regards,
Chris - 15/04/2016
Good point. Does anyone out there have a tracing of the tailplane parts? Thanks
SteveWMD - 15/04/2016
The plan sheet 2 detailing construction of the lower wing and horizontal stab/elevator seems to be missing.
mark - 08/08/2016
The more I look at this, the more I think there maybe never was a sheet 2. Bottom wing is a copy of top wing but with no centre section (plan says: Left wing make two, Right wing make two). Then the tailplane parts are all simple sheet balsa. If the horiz stab and elevator came in the kit box as precut parts, then this one sheet plan would be all the information you needed to build the kit.
SteveWMD - 08/08/2016
Hi Mary and Steve, this thread helps with the Bi-Hawk tailplane shape:
Bob - 10/08/2016
Hello Steve - I have come across this photo of my grandfather's Bi-Hawk which may shed some light on the stab/elevator shape [more pics 004]. The photo is dated March 1967 and the writing on the back of the photo claims that it was a "good flier". Snoopy, complete with aviator scarf, can be seen manning the cockpit. Let me know if you have any questions. Cheers,
ScottC - 20/11/2017
Added superb photos of this lovely completed model, thanks to Mauricio Bertello in Argentina [model photo & more pics 05-008]. You can also watch Mauricio's work in action at and
Mary - 04/03/2019
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