Sky Blaster (oz7033)
About this Plan
Sky Blaster. Rocket-boosted glider model, for 2 channel radio.
Quote: "Whether you're using a rocket motor or flying from your favorite slope, this little plane is a blast! Sky Blaster by Larry Renger.
I guess you would have to describe it as a crackling snarl. That's the sound a radio control rocket glider makes as it blasts its way straight up into the sky. Why a rocket powered model? Because it can be done, of course. The SkyBlaster is capable of a 200 foot vertical climb on a standard Estes D engine, and a whole bunch more with a composite E. From that altitude you can soar the model or do aerobatics. You can do vertical victory rolls and zooms during the climb with SkyBlaster, it is very rugged. Believe me, if you want attention at the flying field. you'll sure get it with this design.
The SkyBlaster is a developmental model for the recently announced Astro Blaster (oz11562) kit from Estes Industries. This article is intended both to give the modeling community more information about rocket powered models, and to provide an opportunity to build one from scratch.
SkyBlaster is a rocket glider as opposed to a boost-glider. The difference is that a rocket glider may drop no parts, while a boost-glider uses a jettisonable power pod to provide a stability change and weight reduction for the glide ponion of the flight.
Mike Dorffler of Estes, and I established some criteria for SkyBlaster before any design work was done. The first requirement was that the model had to use standard materials and equipment. Second, we wanted to achieve good span model performance, and finally, the model had to be reasonably easy to build. SkyBlaster is a bit harder to build than the Astro Blaster kit with its molded wings, but no harder than the average slope soaring glider. Of course, by building from scratch, you have the opportunity to customize if you desire to do so.
The canard pusher swept-wing configuration has some major benefits for a rocket glider design. The main challenge with a rocket glider is to control the stability on the climb so it can climb out with no control inputs required. Due to SkyBlaster's extreme wing sweep, the motor is nearly at the CG so balance point shift is minimized as fuel bums. In addition, the model is essentially symmetrical around the thrust line, so no pitch is induced inertially. The canard provides the capability of pitch control without requiring a control mixer, and smooths out the pitch response a bit..."
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
by Larry Renger
from RCMplans (ref:1148)
Jetex Glider R/C Pusher
all formers complete :)
got article :)
Found online 15/09/2015 at:
Format: • PDFbitmap
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, 2011-2022.
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.