Explore the universe


Model Rocket Can Be Dangerous

Model rockets should never be built with'educator'  sets.
materials such as PVC tubing and rocket
engines should not be attached to anythingThey would include a starter kit and 12
that is not designed to be powered by them.skills level one rocket. Usually 'Yankees',
This is extremely dangerous. The materialsanother good starter rocket and should be
should be something that will disintegrate ifabout $4 a rocket. The last thought that
it impacts something. Paper, balsawood orcomes to mind is your local hobby store. Tell
thin  plastics.them what you are doing and most 'mom and
pop' hobby stores should give you a pretty
I also don't think attaching motors to yourgood price. Este's rockets I think are the
RC truck would do much if anything, but bebest kits for beginners. They seem to have a
dangerous. If your RC truck weighs anywherebetter fit and finish to them. Remember the
near what my sons does the engine might notskill level one rockets are going to need
even move it. Again, it is very dangerous andglue (both white and model glue), paint, and
you  shouldn't  attempt  it.maybe  sand  paper.
I know these are not the answers you areI would think it would be reliable. Just as
hoping for, but there is a reason theyany staged rocket, the distance from one
require 'adult supervision' when launchingengine to the next would be the biggest
rockets. They can be dangerous if they arevariable that would affect 'light off'. But,
not used as they are designed. Model rocketI do not have a lot of experience with staged
kits have been design to be safe. Checkingrockets. My launch sites are not big enough
the CB/CP and many other things. Puttingfor safe recovery. My only experiences with
things on any rocket that is not design forstaged rockets are with C engines. I have
it  could  cause  serious  injures.never had a failure with one stage lighting
the  next.
Rocket bodies are very difficult to make. I
have only heard of one person successfullyThese have been Este's kits; I have not
making one. What he had done was to grease adesigned one myself. On the other hand, Estes
stick that he wanted as an inside diameter ofdoes not make and E' engine booster, that I
the tube. Then wrapped that stick with brownknow of. There might be a reason for that.
craft paper soaked in white glue. Let it setMight be an altitude issue, maybe a light off
for a few days and slid the stick out. Noseissue  or  a  weight  to  thrust  issue?
cones are hard if you don't have a lathe.
Trying to get them symmetrical would beModel rockets have an ejection charge that
difficult. The nose cone and fins are usuallywill push the nose cone and parachute or
made out of balsa wood or plastic. Largerstreamer out. In a tumble recovery rocket,
rockets will use plywood for the fins. Bodythe ejection charge will push the engine
tubes are always some form of a papercasing out the back of the rocket making the
cardboard  tube.rocket unstable and it will tumble back to
the ground. This ejection charge is timed
Depending on how you want to run yourfrom the end of the propulsion phase, which
launches. If you are only going to need oneis  what  shoots  the  rocket  upwards.
or two launch pads and launch controls,
Wal-Mart is your best bet for 'Starter' kitsIf you look at the numbers on a model rocket
($20). They will include everything you needengine like an Estes A8-3. The A8 tells you
for your first launch but batteries. Usuallyhow much impulse power it has and how long it
the rockets in the starter kits are pre builtwill burn. The '3' tells you that 3 seconds
or need very little assembly. If you want theafter it finishes burning the propulsion
campers to build their rockets, look forphase, it will pop the ejection charge. The
skill  level  one  kits.reason it doesn't pop right after it's done
burning the propulsion phase is the rocket
The 'Alpha' has been around for 30+ years iscan be traveling at 300mph and the little
simple to build and is very stable. It usedplastic parachute would rip off. Also the
to be the rocket everyone started with. Ifrocket continues to fly higher because of
you are in need for a lot of kits try EBay.momentum.
EBay seems to be the only place you can find



1 A B C D 66 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 97 98 99 100 101 103 104 105 106 107 108 109 110 111 112 113 114 115 116