Zippy Sport oz9759


Zippy Sport - plan thumbnail image

Zippy Sport - completed model photo

Submitted to Outerzone: 25/01/2018
Outerzone planID: oz9759 | Filesize: 1127KB | Format: • PDFbitmap | Credit*: Circlip, RFJ


About this Plan

Zippy Sport - Radio control sport-scale model.

Quote: "Love at first sight! That's what happened at the first peek of ZIPPY! It was featured as an EAA homebuilt in the May '83 issue of Model Aviation, and I fell in love with the name, the color, shape, size, and even the plaid uphostery. Lacking the skills to build a full sized aircraft, the decision was made to scale it into a radio controlled model. The RC Zippy was so easy to build and fly that I wonder why I didn't think of it before the MA article.

With a FOX .35BB in the nose, she flies more like the Cassutt racers that designer Ed Fisher built, than a puttering EAA homebuilt. She's fast and responsive at full throttle, but when you tick back to 1/3 or 1/2 gas, she's a pussy cat! The detailed steps of construction articles are usually such dry reading, and often so complicated to follow that they're ignored by most builders anyway, so I'll first just briefly cover the hints and quirks that you'll find helpful. You can follow the step by steps later in this article, if the Zippy catches your fancy too...

The full sized Zippy is not a high performance aircraft, and in fact, cruises at only 85 mph. I fudged a little to get more than glider like speeds out of her. The Fox .35BB is almost too much motor, even for the vertical performance I wanted. A .19 or .25 should give satisfying aerobatics. The landing gear is 1/8 aluminum, but bent wire would work just as well. Scale wheels would be 1-1/2 inch, and impossible to use on grass fields. I used 2 inchers, and set them one and a half inch forward. We also deviated from true scale by stretching the fuselage almost two inches, then increasing the area of all the tail surfaces...

The Zippy Sport is a homebuilt aircraft, designed by Ed Fisher. The author's R/C sport scale version used a Fox 35BB for some very lively performance. Construction is straightforward and yields a strong airframe.

Construction notes: Keep her light. Four and a half pounds can be expected with standard servos and bat-tery pack. Our's tipped in at exactly that, ready for fuel. With 541 square inches of wing, she's carrying 19 ounces per square foot. Almost in the glider range. All the wood sizes are similar to most kits, and she's strong, even if you skimp on the glue and epoxy. Check the center of gravity carefully. The high fuselage profile makes her look bigger than she is, and that 9-1/2 inch chord wing means you don't have much moment to play with. Go for nose heavy rather than level balance, and certainly never tail down, or with that short tail she'll be squirmier than a two year old in church... "

Zippy Sport, Flying Models, November 1984.

Direct submission to Outerzone.

Supplementary files

Article pages, thanks to RFJ.


Did we get something wrong with this plan? That happens sometimes. Help us make a correction


oz9759 datafile

Zippy Sport  
by Floyd Manly
from Flying Models
November 1984 
60in span
Tags: Scale IC R/C Cabin Civil
all formers complete :)
got article :)


Do you have a photo you'd like to submit for this page? Then email

User comments

No comments yet for this plan. Got something to say about this one? Click here to Add a comment




* Credit field

The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.


This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.


Terms of Use

© Outerzone, 2011-2018.

All content is free to download for personal use.

For non-personal use and/or publication: plans, photos, excerpts, links etc may be used, provided that full and clear credit is given to Outerzone with appropriate and specific direction to the original content i.e. a direct hyperlink back to the Outerzone source page.

Unauthorized use and/or duplication of this material without express and written permission from this site's owner is strictly prohibited. If we discover that content is being stolen, we will consider filing a formal DMCA notice.