|
Contributed by Glenn Roth
(Contributed - by Glenn Roth - 08/27/09)
Brief:
3-parallel staged Bullpup 12 Ds powered by 18mm motors.
Modifications:
After several cataclysmic failures, I can tell you a challenging rocket to build and a fun rocket to fly. Best
suggestion I have is to "stack" several pieces of 1/8 x 1/4" plywood for standoffs. Use epoxy. If
you go to YouTube and look up "NARAM 51 first," you will see what happens when you use balsa standoffs.
I printed the decals on standard color printer paper, coated the rocket in Modge Podge hard coat, placed printout
on it, and coated it again. I can't tell difference.
Construction and Finishing:
The additional parts used were 3 BT-30s, 4 fins, 6" BT-50 clear payload tube, and "Spiff" (any action
figure that fits in payload for ballast).
Here's the expensive part: you need 3 Bullpup 12 D's, which even at a good price will set you back $35+. However,
you can always buy parts separately, although that isn't very cost effective. I love this parallel staged model!
 
   
Flight and Recovery:
Stay with B6-0s in outside boosters and B6-2 in main for 1st flight. Don't forget screws in nosecone of payload
section, a good clip whip, and to friction fit motors with plenty of tape.
I used Quest Q2 igniters. If one motor doesn't light, you will end up like I did and pull launch rod right out of
pad! I used an 18" chute with spill hole for this heavy baby.
Summary:
PROs: Very impressive flight, especially at night!
CONs: You must make "standoffs" as sturdy as possible, that's why I suggested "stacked
plywood". - Post a Comment -
What You Can Do
- Link to this Page -
You can link to this page using the following HTML or BB Code.
Text Link in HTML (for web sites)
<a href="http://www.rocketreviews.com/estes-spaceman-spiff-glenn-roth.html">Estes - Spaceman Spiff - Review by Glenn Roth</a>
Text Link in BB Code (for forum posts)
[url=http://www.rocketreviews.com/estes-spaceman-spiff-glenn-roth.html]Estes - Spaceman Spiff - Review by Glenn Roth[/url]
Select the appropriate above text with your mouse then "right-click" and select "Copy." Then, paste the text into your web site's code or a discussion forum post.
|