You might join the following group: Amateur Experimental Rocketry on
Facebook. Quite a few hybrid researchers post there.Barry Sent from my Sprint
Tablet.
-------- Original message --------From: Jack Hanna
<jackhannaofficial@xxxxxxxxx> Date: 7/17/20 12:10 (GMT-05:00) To:
arocket@xxxxxxxxxxxxx Subject: [AR] Continuation of small hybrid motor design
Awhile back I asked this forum if anyone here has information on nitrous oxide
hybrids, and from all the info there and other info I have found just about
enough info to get an idea for the general design of my engine, which will be
gaseous nitrous oxide fed through a showerhead style injector into a tube of
moulded paraffin carbon black mixture, out through a standard nozzle. If it
works, I would like to try and create a UC valve type injector, which uses ACPC
fuel grain on an E Match to light the fuel and in the process release the
oxidizer flow, which may be as simple as plugging up the oxidizer hole, or
having a small pinhole be able to vent enough oxidizer to sustain combustion.
What i'm mostly curious about is the actual design and manufacturing of the
engine, as this other forum I have grabbed info from is mainly pushing me to
buy commercial rocket casings and parts, however given I think I have access to
all the tools I need to make a full motor, i'm hesitant to spend more money
than I need on parts I could just make myself. I also honestly just want the
fun of designing and creating everything from scratch.So, that being said. How
do people manufacture hybrids? I've heard graphite as a nozzle is effective,
however it's also extremely porous, and I'm hesitant to use it as a unibody
design for the main combustion chamber and injector. I would very much like it
if someone here who has either built their own or knows of any detailed papers
telling of the manufacturing of the body of the motor. I know of Nakka, and
that will be extremely useful to start manufacturing once I have the ability to
get back into my school's shop.Thanks!