Spinifex 100 (oz9433)


Spinifex 100 - plan thumbnail image

About this Plan

Spinifex 100 - Radio control thermal soarer.

Quote: "Spinifex 100 designed by John O'Sullivan of Nova Scotia, is a Standard class thermal soarer using the Eppler 193 airfoil. Performance is excellent and will handle ballast well, so load it up for slope flying.

The Spinifex 100 is a standard class thermal soarer using rudder and elevator control. Optional spoiler installation is also shown on the plan. The word Spinifex comes from a needle-like grass which grows in clumps in the Australian semi-desert areas (good thermal country). Generally, I use a fiberglass fuselage on this design but reverted to a ply fuselage of the same profile for this version as it is easier to present in plan form. There is no difference in performance between the two versions, and weight and strength are similar. Several variations of this model have been built by a number of modelers throughout Atlantic Canada, and they are to be thanked for their constructive comments.

The wing section is the well-tested Eppler 193 which has slight undercamber and adequate thickness to produce a strong wing. Fully sheeted leading edge, webbed spruce spars, and capstripped ribs make for a light rigid wing structure.

Construction. Fuselage. Cut out the sides from 1/32 ply, 48 in long. Cut out the holes for the spruce leading edge and triangular trailing edge, wing joiners and locating dowels..."

"Hey Steve! Hey Mary! %^) Hope this finds you both well. Been diggin' the old RES/REF classics as of late (they convert to ALES so nicely!) and upon searching for this plan at Outerzone I noticed, to my surprise, it wasn't there! This is the larger 100in version (also Eppler 193) of John O'Sullivan's Minifex 2M (oz5951) another great performer. Blue Skies! Mike"

Note this is a low resolution plan.

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to hlsat.


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Spinifex 100 - completed model photo

  • (oz9433)
    Spinifex 100
    by John O'Sullivan
    from RCMplans (ref:975)
    August 1986 
    100in span
    Tags: Glider R/C
    all formers complete :)
    got article :)
  • Submitted: 09/11/2017
    Filesize: 498KB
    Format: • PDFbitmap
    Credit*: MikeB, hlsat


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Download File(s):
  • Spinifex 100 (oz9433)
  • Plan File Filesize: 498KB Filename: Spinifex_100_RCM-975_oz9433_.pdf
  • Supplement Filesize: 1353KB Filename: Spinifex_100_RCM-975_oz9433_article.pdf
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