[AR] Re: Sugar Rocket State of the Art?
- From: "Monroe L. King Jr." <monroe@xxxxxxxxxxxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Mon, 13 Oct 2014 17:43:37 -0700
Ah, so the patent went public in 78. That's rather interesting.
> -------- Original Message --------
> Subject: [AR] Re: Sugar Rocket State of the Art?
> From: "" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender
> "JMKrell@xxxxxxx" for DMARC)
> Date: Mon, October 13, 2014 4:44 pm
> To: arocket@xxxxxxxxxxxxx
>
>
> A lot of amateurs can make APCP, but I would not call it an amateur
> propellant. HTPB binders were pioneered by amateurs. The aerospace industry
> was
> using CTPB binders in the 70's. Ray Goodson read about HTPB resins and
> spread the word to Bill Wood, myself and others. I'm sure Ray had more
> experience with HTPB than Thiokol with the release of their patent in 1978.
>
> Krell
>
>
> In a message dated 10/13/2014 2:27:10 P.M. Pacific Daylight Time,
> monroe@xxxxxxxxxxxxxxxxxx writes:
>
> Once you get to the same level of complexity required to make APCP it's
> wiser to go that route from an ISP standpoint.
>
> I don't think a hybrid would qualify as a sugar rocket that's a hybrid
> rocket, but that is just my opinion.
>
> Don't get me wrong I like Sugar rockets for there usefulness and 50km
> sounds about right for a decent sounding rocket.
>
> Besides who says APCP is not an amateur propellant? I see plenty of
> amateurs producing APCP propellant. We made our own. Anyways I've said
> enough you guy's can decide what you want to do without my assistance.
>
> Sugar rockets are for sure lots of fun. Enjoy!
>
> > -------- Original Message --------
> > Subject: [AR] Re: Sugar Rocket State of the Art?
> > From: Nathan Bergey <nathan.bergey@xxxxxxxxx>
> > Date: Mon, October 13, 2014 2:08 pm
> > To: arocket@xxxxxxxxxxxxx
> >
> >
> > I know nothing.
> >
> > But I've been following TU Delft's 50 km hybrid rocket project[1]
> > recently. I noticed that they have an unusual (at least first I've
> > seen of it) fuel. It's listed on their site as "a mixture of paraffin,
> > sorbitol and aluminium" (N20 as oxidizer). So I guess it's kind of a
> > sugar motor, sort of. :)
> >
> > [1] http://dare.tudelft.nl/stratos-ii/
> >
> >
> >
> > -Nathan
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