Patriot XL (oz11493)

 

Patriot XL (oz11493) by Mike Cross from Great Planes 2004 - plan thumbnail

About this Plan

Patriot XL. Radio control sport model. Wingspan 55 in, wing area 742 sq in, for 60 power.

Discontinued kit from Great Planes.

Quote: "The easy, affordable way to enjoy big jet excitement! Like the original, the Patriot XL offers the hot pilot an irresistible combination: the exhilaration of jet-like speeds and looks matched to the building ease and affordability of other Great Planes' kits. Designed for .60-size excitement, the Patriot XL avoids the costs and complexity of traditional ducted fan jets by relying on familiar sport techniques for building and a front-mounted glow engine for speed.

Rockets into express-elevator climbs to the roof - then dives for screaming high-speed passes that exceed 100 mph! Excels on the power of a .90 and builds with the speed and ease of Great Planes' best engineering.

Fuselage and wing build flat on the boards from interlocking wood parts that ensure strength, straightness and perfect alignment. Unique turtledeck builds onto the finished fuselage, and transforms the space underneath into a strong, secure location for a retract air tank.

Photo-illustrated instructions simplify every building step, from installing dual aileron servos in each wing half to the addition of optional flaps and optional retracts."

Note the full (48 page) kit manual for the Patriot XL is available as a free download from http://www.greatplanes.com/manuals/discontinued.html

Quote:"The larger, faster, easier-to-build Patriot XL expands on the incredible popularity and performance of the original Great Planes Patriot kit. Designed around .60-.90 size engines, whether 2-stroke or 4, the Patriot XL provides amazing performance in an easy-to-build sport scale kit. Add the optional retracts and flaps to the thin, Selig-airfoil wing, and your Patriot XL goes from quick to blistering fast AND is easy to settle in for carrier-like landings."

Direct submission to Outerzone.

Update 21/07/2020: Added review from Flying Models, January 2006, thanks to RFJ.

Quote: "Review. Patriot XL from Great Planes, by Rick Andrese.

Alittle over ten years ago, Great Planes came out with their .45 size Patriot. Good plans and instructions, along with ease of assembly and fantastic performance, made the Patriot one of the planes to build.

The new Patriot XL kit by Great Planes takes no back seat to the original kit. Designed for a .60 size engine with pneumatic retracts instead of mechanical, along with the many refinements designed into the assembly process, make the Patriot XL a must-have kit.

It takes an engineer to figure out how to fit all those kit components into a box as neatly as they are. But something has to come out of the box eventually, so take out the plans and instruction manual first, then tune up the gray matter in preparation for building. As the manual states: 'Decisions you must make' - well, no choice here. Radio: yes, flaps: definitely, retracts: what else? Those steps were easy. Now for a hot 60 (an ST G61 ABC was used).

Following the manual, construction begins with the tail surfaces. Under the 'Expert Tips', placement of the internal ribs is not critical as long as you have a strong structure. To accomplish this, I moved what would be the main spar aft about one quarter inch, so it sits against a flat on the trailing edge. The end of the spar also splits the gap between the leading edge and stab tip. Select your surface sheeting accurately. There is enough, but if you select a wrong length, you will run out of sheeting during a later stage. This will require a run to your local hobby shop. I know!

The wing panels build fast and accurately. Just follow the instructions. The check boxes for each step really help you keep track of where you are when working the left, then the right panel. When installing the servo trays for flaps and ailerons, I found it easier to flip the panels over. For added strength to the butt joint between tray and spar, a small ply tab was added.

With the wing panel tops sheeted, the landing gear rails are installed. Epoxy and clamps work well on this step. Then partial sheeting of the panel bottoms is done. Be sure to pin or weigh down the panels to ensure that washout, built into the trailing edge, is accurate.

While installing the Robart mains, be careful with measurements. The three-inch measurement shown in step 5 is much closer to four inches. With the wing joiner epoxied, take the time to trial fit the two wing panels together. Note that the picture in step 2 shows the joiner backwards. When ready for the final assembly of the panels, use plenty of glue and clamps. A touch of CyA at the leading and trailing edges help maintain alignment until the epoxy cures.

Prior to final sheeting of the wing, balsa bolt support blocks need to be installed. I felt that a picture in step 7 on page 20 would have been helpful.

With the wings sheeted and sanded, out of habit I chose to glass the panels together, though it is not mentioned in the instructions.

The fuselage is made up of several sub-assemblies. When all are assembled, they make for a very accurate fuse. With the frame complete, step 14 calls for the at-tachment of balsa fuse corners. Be careful here, so that you do not pinch in the ply sides when gluing. The one difficult part I found was bending in the fuse sides around the firewall..."

Supplementary file notes

Formers, 14 pages, hand traced.
Instructions.
Review.

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Patriot XL (oz11493) by Mike Cross from Great Planes 2004 - model pic

Datafile:
  • (oz11493)
    Patriot XL
    by Mike Cross
    from Great Planes (ref:PAT6)
    2004 
    55in span
    IC R/C LowWing
    all formers complete :)
  • Submitted: 21/08/2019
    Filesize: 1327KB
    Format: • PDFbitmap
    Credit*: Bernd

Patriot XL (oz11493) by Mike Cross from Great Planes 2004 - pic 003.jpg
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Patriot XL (oz11493) by Mike Cross from Great Planes 2004 - pic 004.jpg
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Patriot XL (oz11493) by Mike Cross from Great Planes 2004 - pic 005.jpg
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Patriot XL (oz11493) by Mike Cross from Great Planes 2004 - pic 007.jpg
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  • Plan File Filesize: 1327KB Filename: Patriot_XL_oz11493.pdf
  • Supplement Filesize: 536KB Filename: Patriot_XL_oz11493_formers.pdf
  • Supplement Filesize: 1244KB Filename: Patriot_XL_oz11493_instructions.pdf
  • Supplement Filesize: 4842KB Filename: Patriot_XL_oz11493_review_FM.pdf
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Scaling

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