Lightning Bug oz2168

 

Lightning Bug - plan thumbnail image

Lightning Bug - completed model photo

This plan was found online 03/01/2012 at: http://web.archive.org/web/20020724143241/http://my.pclink.com/~dfritzke/
Outerzone planID: oz2168 | Filesize: 398KB | Format: • PDFbitmap | Credit*: dfritzke, JJ

   

About this Plan

Lightning Bug - Simple TeeDee .010 powered radio control design. Appeared in Model Airplane News in July of 1961.

Quote: "Since the advent of the Cox .010 engine planes are smaller and add to this combination the lightweight relayless receivers and we have 7-1/4 ounce R/C planes.

The first RC job we flew - designed by the writer, built by MAN's editor and chased on a 50-50 basis by the both of us - was an Ohlsson 60-powered behemoth that weighed a ton. Lightning Bug, the 40th RC, spans 26 inches and is powered by the new .010. It weighs less than the batteries did in the big job 13 years ago. Not half as much as did the Good Brothers receiver with its batteries.

Wing loading is 9-2/3 oz per square foot , power loading 725 ounces per cubic inch displacement, gross weight 7-1/4 ounces. Keep in mind when building yours that every extra ounce means another 100 ounces power loading!

There is nothing really sensational about an .01 RC. No freak, this one is built like any other RC. Proportions are normal and materials generously strong. At 7-3/4 ounces this model is 4-1/4 ounces heavier than the designer's free flight for the same engine, suggesting that weight cannot be reduced easily - there just isn't enough wood in the craft to permit any important saving. The radio is a Citizen-Ship LT 3 with the matching SN escapement that came in the same box.

Lightning Bug may be bigger than some .02 bombs, but it has roughly half the area of Ken Willard's .01 which, we hear, has about 200 squares. Recalling much that has been published about .02's, doctored escapements, and so on, for extreme lightness thought so necessary, one may wonder. The .01, half as big as the .02, definitely does not require doctoring anything in order to fly.

By careful building and material selection, the .01 can be pared to under seven ounces, but it climbs at 7-3/4. The thing to watch is extra weight... "

Update 03/05/2014: Replaced this plan with a clearer copy, thanks to JJ.

Update 15/11/2016: Article pages, text & pics added, thanks to RFJ.

Supplementary files

Article pages, text & pics.

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oz2168 datafile

Lightning Bug  
by Bill Winter
from Model Airplane News
July 1961 
27in span
Tags: IC R/C
all formers complete :)
got article :)

 

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Notes

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Scaling

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