Spirit of St Louis (oz13551)
About this Plan
Spirit of St Louis. Free flight scale model for rubber power, electric, or Cox .020 engine.
Direct submission to Outerzone.
Update 18/3/2022: Added article, in French, thanks to Pit.
Supplementary file notes
Article.
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(oz13551)
Spirit of St Louis
by Emmanuel Fillon
from MRA
January 1974
34in span
Scale Rubber F/F Cabin Civil
clean :)
all formers complete :)
got article :) -
Submitted: 30/12/2021
Filesize: 434KB
Format: • PDFbitmap
Credit*: PatrickUrbain
Downloads: 893
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ScaleType: This (oz13551) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.
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ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/Spirit_of_St._Louis
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User comments
This model was designed for rubber power, 0,33cc (cox .020) or electric motor. In the plan is visible a reduction geared motor like the Graupner T03 (1,5 volt), note out of axis hooked shaft and the battery. Battery and motor were mounted side by side in a tray on the nose to facilitate CG balance. Considering the Whole engine is outcentered from the center model axis a short rubber thread acts as an elastic coupling joint and probably save the delicate reduction gear from ground hitting. Pitpit - 11/01/2022
I have never seen a drawing like that before... an electric motor along with a rubber 'driveshaft'. Makes me think of trying to create a self-winding rubber model, along with large carved prop, if you see what I mean :)
SteveWMD - 11/01/2022
I see what you mean Steve, and it was already made. In order to convert a rubber motor model to electric and mantain the same slow flying attitude you need a reduction geared light motor in order to use original large high pitch prop. The simple way is to shorten the rubber tread and make it winding continuously by common electric motor. I remember an article on the past, today contest rubber bands are higly priced and difficult to obtain. This is the "ratio" modern behind modern hibryd idea. Why not try with an I.C. engine to rotate the rubber band and an electric motor used as dynamo producing energy for the rc components...
pit - 11/01/2022
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- Spirit of St Louis (oz13551)
- Plan File Filesize: 434KB Filename: Spirit_of_Saint_Louis_oz13551.pdf
- Supplement Filesize: 700KB Filename: Spirit_of_Saint_Louis_oz13551_article.pdf
- help with downloads
Notes
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Scaling
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