Topsy oz680

 

Topsy - plan thumbnail image

Topsy - completed model photo

This plan was found online 22/04/2011 at: http://www.rcgroups.com/forums/showthread.php?t=1265873&page=118
Outerzone planID: oz680 | Filesize: 322KB | Format: • PDFbitmap | Credit*: keven64

   

About this Plan

Topsy. Single channel RC trainer.

Quote: "Topsy is designed as a sports and radio control model for engines of about 0.5cc displacement. The small size can produce substantial benefits; handiness, easy transportation, low stresses on hard landings and simple construction. The flight characteristics of Topsy are good and the payload (radio control) can be up to the weight of the model itself. On the plan, the installation of the MIKROKOMBI single-channel receiver unit is shown. The items required for installation are shown on the separate parts list..."

Update 13/10/15: Added sheet 2 of plan, plus English translation, thanks to Colonel Blink.

Supplementary files

Sheet 2 of plan, plus English translation.

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oz680 datafile

Topsy  
by Horst Diemer
from Graupner
1961 
32in span
Tags: IC R/C Cabin Trainer
all formers complete :)

 

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User comments

Hi Steve, I buld the TOPSY from Graupner [see more pics 003,004], with the plan of your site. Weight is 270 gram ready to fly. Thanks for you plan on the OUTERZONE site. Greets ; My site http://users.skynet.be/fa046192/
Julien - 25/01/2014
Good morning Steve/Mary. Was home on R and R over the weekend so Lindsay was able to take photos of my three latest builds from plans taken from your awesome site. Many thanks for all time and effort you guys put in, it's exemplary. Please see attached Graupner Topsy, a free flight model I built in the early '70s which flew away [more pics 005-012]. It was found two weeks later up a tree by locals collecting fire wood some distance from the airfield.
AndyCoutts - 08/10/2016
Dear Steve! Just wanted to share my Graupner Topsy built from the plan on your site [more pics 013]. Had not built a balsa plane for decades and the experience was good fun. I used paper tissue and dope for covering and tried to keep the original colour scheme. It is electric powered and even has FPV equipment on board (woo-hoo!), still struggling to get the COG correct. Thank you very much for your great site! Have a nice day,
Cyburgs - 24/10/2016
Hi Mary/Steve, here are a few photos of the Graupner Topsy [more pics 014-017]. This was built a few years ago, starting off as diesel free flight but now converted to electric rc. We've only just test flown it and made a video too, doing ROG on the beach: www.youtube.com/watch
Anon - 25/07/2017
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Notes

* 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.

Scaling

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.

 

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