Search found 6 matches

by bobdickgus
Wed Dec 03, 2003 4:17 am
Forum: Valveless pulsejet forum
Topic: Cool Russian Patent I found
Replies: 19
Views: 11015

Re: Cool Russian Patent I found

Daisy-chained valveless pulsejets! Damn Adobe and damned be their pdf. May they form a daisy chain with everyone's noses stuck up the butt of the guy ahead. I wish I had a time machine to go into the past a shit on their code when they were first thinking of making their abominable software. Why? i...
by bobdickgus
Mon Dec 01, 2003 9:25 pm
Forum: Off topic forum
Topic: Alladin's Ghostscript option for PDF Distiller
Replies: 1
Views: 2067

Open Office runs in linux/windows/mac osx
And you can export your docs/spread sheets/ diagrams to pdf, export presentations to swf too.

If you use linux then there are otherways availible immediately aswell.
by bobdickgus
Wed Oct 29, 2003 9:34 pm
Forum: Rocket forum
Topic: Liguid Fueled Rockets
Replies: 29
Views: 16561

if you add methanol to peroxide it will spontaneously combust but there will be a delay
I have done this with around 50% peroxide solution.

You would probably need an initiator to get it to react quickly initially like NH3 once the chamber is hot H202 + methanol should be fine.
by bobdickgus
Wed Oct 29, 2003 9:12 pm
Forum: Tools and Construction
Topic: poliester resin question
Replies: 15
Views: 9865

Re: polyester resins

Hi, To be a little more precise: - the clear product is methyl ethyl ketone PEROXYDE (not the solvent MEK) - violet product is cobalt salt (naphtenate) Both mixed one after the other in the resin induce decomposition of the peroxyde, which induce starting of polymerisation, which hardens resin, ......
by bobdickgus
Wed Oct 29, 2003 1:45 am
Forum: Rocket forum
Topic: Liguid Fueled Rockets
Replies: 29
Views: 16561

Re: Liguid Fueled Rockets

Stephen Concentrated H2O2 Say 90% with petrol etc probably won't spontaniously catch fire. It is not considered a hypergolic propellent. In the 1950's the US Navy was experimenting with H2O2 booster rockets. As a test they filled a pool with H2O2 and fuel which floated on top. Nothing. After lighti...
by bobdickgus
Tue Oct 21, 2003 12:54 am
Forum: Off topic forum
Topic: Welcome to the off topic forum
Replies: 19
Views: 23419

Well i had to admin a network of ms pc's and man what a pain in the ass. luckily i was able to use linux for all the servers and convert half the work stations to linux so the workload is much reduced, most of my time is spent on keeping the ms work stations running. win2k is stable for a ms os but ...