Electric Challenge - The Bipe (oz6990)
About this Plan
Electric Challenge the Bipe. Radio control sport biplane for Astro Flight Cobalt 40 (geared) power.
Quote:- "Biplanes have long been a favorite type of aircraft among modelers. I am certainly not an exception. Remembering the days of the barnstormers, wing walkers, daredevils, etc, I hope to have captured some of the magic of yesteryear. Electric Challenge the Bipe, by Charles D Evans.
My Electric Challenge theme is carried out in this endeavor as well as all the other creations to this point. An effort was made to keep the craft's construction as simple and functional as possible. You will notice the lack of compound curves and flat bottom rear portion of the wing ribs, thereby elimi-nating wing construction problems. 900 sq in of wing area allows a good wing loading, necessary to carry the 21 Sanyo N1700SCRC cells.
The Astro Flight 40 geared Cobalt motor pulls Electric Challenge The Bipe around the sky with authority and permits all the aerobatics this old boy can handle. A more proficient or professional pilot could coax a lot more from the 'Bipe' than I can. My old reliable Aristo-Craft radio, which has served me well, does the controlling chores. The motor controller designed by friend Phil Thayer, bossman at FlightTec, doesn't miss a beat. Smooth is the word for its control ability. I have a fleet of these controls and haven't had failure to date. Try them. I feel you will like them.
Remember two valuable formulas while building Electric models. KISS - (Keep It Simple Stupid) and MILS - (Keep It Light Stupid). Anything you can do to cut down on the weight without compromising the structural integrity of Electric Challenge - The Bipe is acceptable.
Constrcution. It is my habit to make a kit of parts for any scratch-built model. Next, I construct all subassemblies such as landing gear blocks, sides with their doublers, wing ribs with doublers, and any other parts requiring preassembly with the exception of the strut mounts attached to the wing ribs.
Wings: Let's start with the wings because there are two of them. There are no problems here to give anyone with a bit of building experience any trouble. Starting with the top wing for a begin-ning point, you will notice that the cabane anchor points require a bit of work. Wing ribs TW-2 have cutouts in the rib and are one of those subassemblies..."
Hi Steve, Here is Charles D. Evans' Electric Challenge the Bipe from RCM magazine issue 12-95.
Direct submission to Outerzone.
Supplementary file notes
Article pages, text and pics.
Did we get something wrong with these details about this plan (especially the datafile)?
That happens sometimes. You can help us fix it.
Add a correction
Do you have a photo you'd like to submit for this page? Then email email@example.com
User commentsNo comments yet for this plan. Got something to say about this one?
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.
© Outerzone, 2011-2021.
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.