| Search |
| [Next Page] |
HYDRAL - frozen aluminium hydrazine rocket system
The difference between erythritol and xylitol would be very minor, BUT xylitol has a lower melting p ... |
8-11-2015 at 04:57
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
I suggest if you go the hydrocolloid route, dissolve 1-5% of the hydrocolloid powder (e.g. xantham g ... |
8-11-2015 at 02:50
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
You mean swelling/thickening power? There are easier versions that are OTC, like xanthan gum (availa ... |
8-11-2015 at 02:30
by: deltaH |
HYDRAL - frozen aluminium hydrazine rocket system
Some more thermodynamics, I thought I might compare the heats with another low melting fuel, like xy ... |
8-11-2015 at 02:07
by: deltaH |
HYDRAL - frozen aluminium hydrazine rocket system
Okay, I did some back-of-the-envelope thermodynamics.
I couldn't find any standard heats of forma ... |
8-11-2015 at 01:32
by: deltaH |
HYDRAL - frozen aluminium hydrazine rocket system
I think if you move away from using water, then you can get away with conventional pyro-aluminium po ... |
7-11-2015 at 23:42
by: deltaH |
HYDRAL - frozen aluminium hydrazine rocket system
I was talking about sodium sulfide, not the sulfate... but the mix up is all too easy to make. Accor ... |
7-11-2015 at 03:55
by: deltaH |
HYDRAL - frozen aluminium hydrazine rocket system
Hi ecos,
Thanks for that, yes the hydrates are an interesting twist. I will think on it some more ... |
7-11-2015 at 01:38
by: deltaH |
The "WTF did I just make?" thread
Very interesting, I didn't expect the copper hydroxide to go green upon addition of the peroxide in ... |
6-11-2015 at 14:46
by: deltaH |
The "WTF did I just make?" thread
Copper sulfate is dissolved in excess ammonia, results in the formation of a solution of Schweizer's ... |
6-11-2015 at 13:58
by: deltaH |
The "WTF did I just make?" thread
It's probably copper amine nitrites due to the oxidation of ammonia:
Y. Cudennec; et al. (1995). ... |
6-11-2015 at 12:52
by: deltaH |
HYDRAL - frozen aluminium hydrazine rocket system
[rquote=426453&tid=64234&author=ecos]I am sorry to deviate the topic a little bit from its t ... |
6-11-2015 at 09:50
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
Oh... I was under the impression it was going to be frozen. If gels would work, then you might as we ... |
6-11-2015 at 09:40
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
Well, if the PIB had hydroxyl groups instead of double bonds, then you might have used the 'silly-pu ... |
5-11-2015 at 20:38
by: deltaH |
HYDRAL - frozen aluminium hydrazine rocket system
Building on the ALICE rocket propellant (ice + nano aluminium powder), I have an idea for using froz ... |
5-11-2015 at 11:10
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
I don't see how R-Si(CH3)3 could be crosslinked.
|
5-11-2015 at 10:01
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
So you think that the PIB is cross-linked a non-silicon way? |
4-11-2015 at 20:49
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
About the functionalisation of PIB, from the Gelest documentation I see that Si-H can be coupled to ... |
4-11-2015 at 10:29
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
Oh crap, I wrote a long reply, posted it, then edited it with delete by accident 
I don't ha ... |
3-11-2015 at 21:14
by: deltaH |
Nitric acid
Very nice, makes me wonder whether using calcium nitrate (a common fertiliser) and phosphoric acid m ... |
3-11-2015 at 12:25
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
ha ha, yes it did remind me of that! Anyway, in this case they wouldn't have vulcanised it, they wou ... |
3-11-2015 at 12:05
by: deltaH |
Help find out what LZY is - paper on a potentially viable cryogenic solid propellants using H2O2
It's probably polyisobutylene (PIB), the same stuff used as the binder for C4.
http://www.tpcgrp. ... |
3-11-2015 at 11:56
by: deltaH |
The dinitritoarginate(I) anion, [Ag(NO2)2]- and friends
I personally think these authors took a gamble preparing such large crystals of a potential primary. ... |
31-10-2015 at 11:31
by: deltaH |
Pourbaix diagrams... again!
Okay, thought I'd check out some pourbaix diagrams to see if this is feasible.
MnO2 at a pH of -1 ... |
31-10-2015 at 05:20
by: deltaH |
Druken Aga Challenge (DAC) #3 - Closed (but open to discussion)
Oops, forgot to include that I'll correct the graphic thanks!
... now with fewer carbon cre ... |
31-10-2015 at 04:44
by: deltaH |
| [Next Page] |
