Search found 222 matches

by brplatz
Thu Aug 07, 2008 2:40 pm
Forum: Off-Topic Hobbies
Topic: Low-Speed Ram Jet
Replies: 24
Views: 4479

already made one but it didn't work as well as his. but all i had was gasoline and lighter fluid
by brplatz
Thu Aug 07, 2008 2:23 pm
Forum: Off-Topic Hobbies
Topic: Low-Speed Ram Jet
Replies: 24
Views: 4479

Don't you mean subsonic? Sorry, afraid not.. A true ram jets can't work at all when the air flow is under Mach 1 - below that speed, it's just a glorified blowtorch, which won't provide any trust. "Low speed ram jet" is a total misnomer. Unless that RC car is impossibly fast, this won't be able to ...
by brplatz
Thu Aug 07, 2008 11:08 am
Forum: Off-Topic Hobbies
Topic: Low-Speed Ram Jet
Replies: 24
Views: 4479

that actually sounds like a good idea!

possible use hair dryers though because of the weight issue
by brplatz
Thu Aug 07, 2008 10:43 am
Forum: Off-Topic Hobbies
Topic: Low-Speed Ram Jet
Replies: 24
Views: 4479

i might attach it to my RC car and see if i can get it to run.
it should put out a little bit of thrust if im correct.
by brplatz
Thu Aug 07, 2008 9:43 am
Forum: Off-Topic Hobbies
Topic: Low-Speed Ram Jet
Replies: 24
Views: 4479

yes it requires air to be blown from the front kinda fast. My big leaf blower will work. No real practical application, just looks.
by brplatz
Thu Aug 07, 2008 9:29 am
Forum: Off-Topic Hobbies
Topic: Low-Speed Ram Jet
Replies: 24
Views: 4479

Low-Speed Ram Jet

This is my low speed ram jet. Or thats its name but im not sure it if works exactly like a real one. http://www.cottrillcyclodyne.com/Maggie_Muggs/Maggie.html That is where i got the idea from and I will test it later after i get off work. If you look on the 3rd page it shows it when its running. He...
by brplatz
Tue Aug 05, 2008 9:19 pm
Forum: Off-Topic Hobbies
Topic: Jet Engine Mini
Replies: 26
Views: 5336

argh! i feel out of my league here.
:(

i dont know how to work metal very easily and have no idea how to make pipe the exact dimesions they have there
by brplatz
Tue Aug 05, 2008 7:10 pm
Forum: Off-Topic Hobbies
Topic: Jet Engine Mini
Replies: 26
Views: 5336

I've decided i want to build a pulse jet but i am in need of some plans and a place to get stainless steel tubing. any ideas?
by brplatz
Tue Aug 05, 2008 6:13 pm
Forum: Off-Topic Hobbies
Topic: Jet Engine Mini
Replies: 26
Views: 5336

sounds fun to me! :D

i am currently working on upgrades for my littte jet, a new smaller nozzle, and upping the fan flow by upping the voltage.

any suggestions?
by brplatz
Tue Aug 05, 2008 4:45 pm
Forum: Off-Topic Hobbies
Topic: Jet Engine Mini
Replies: 26
Views: 5336

@gippeto

could you explain the way your syphon nozzle works?
i searched but couldnt really figure it out.

@larda

I am interested in making a pulse jet buti want a somewhat small one that wouldnt be to hard to make. i have access to a sweet machining lathe if that helps :D
by brplatz
Tue Aug 05, 2008 10:19 am
Forum: Off-Topic Hobbies
Topic: Jet Engine Mini
Replies: 26
Views: 5336

syphon nozzles look fun :D

is that one yours? i was planning on making a pulse jet first but maybe i changed my mind! :D
by brplatz
Tue Aug 05, 2008 8:39 am
Forum: Off-Topic Hobbies
Topic: Jet Engine Mini
Replies: 26
Views: 5336

ok i fixed the video
its a copper line with a small wide spread nozzle
its an old pc fan on 18v with speed switch
by brplatz
Tue Aug 05, 2008 8:29 am
Forum: Off-Topic Hobbies
Topic: Jet Engine Mini
Replies: 26
Views: 5336

Jet Engine Mini

i saw some videos of jet engines i and wanted to build one but they are much to expensive for me :D so i made one that looks like its a jet engine!! sorry bad quality http://s284.photobucket.com/albums/ll32/brplatz/?action=view¤t=080408_211300.flv better http://www.vimeo.com/1468968 the first ...
by brplatz
Mon Jul 28, 2008 9:41 pm
Forum: Pneumatic Cannons
Topic: Pneumatic Cannon Idea
Replies: 4
Views: 1080