Search found 23 matches

by jack_h
Fri Jul 28, 2006 9:06 pm
Forum: Gas turbine forum
Topic: preload
Replies: 6
Views: 8551

preload

what does the preload do. and do you need one
by jack_h
Sun Apr 09, 2006 8:23 pm
Forum: Valveless pulsejet forum
Topic: 55lb lockwood roars to life
Replies: 15
Views: 16436

re: 55lb lockwood roars to life

do u have the dimentions for that beast.
by jack_h
Sun Jan 01, 2006 12:44 pm
Forum: Rocket forum
Topic: hybrid rocket
Replies: 3
Views: 5597

hybrid rocket

can anyone tell my the presures involved with a nox and parafin hybrid rocket.
by jack_h
Thu Nov 24, 2005 7:54 pm
Forum: Gas turbine forum
Topic: bearings
Replies: 2
Views: 7749

bearings

I am missing one lot of info for making a miture jet engine. what would i use for bearing in the shaft tunel. i am planing on using caged ceramic ball. but would they need to be lubricated and how. ow and there was once an off topic asking how small jets could be and i found this http://www-rpl.stan...
by jack_h
Sat Oct 08, 2005 9:54 am
Forum: Valveless pulsejet forum
Topic: how thick is the sheet steel that you use
Replies: 0
Views: 2390

how thick is the sheet steel that you use

i want to make a big lockwood engine but i dont no want grade or how think is the metal that you use.
by jack_h
Tue Sep 27, 2005 4:32 pm
Forum: How to improve this site
Topic: sounds on the home page
Replies: 0
Views: 3902

sounds on the home page

the to click hear to hear our jet engine and the one for pulse jet sounds dont work on my pc. it come up page not found
by jack_h
Sun Sep 25, 2005 9:07 pm
Forum: Gas turbine forum
Topic: afterburner
Replies: 14
Views: 12740

afterburner

can any one explain after burners to me how would you make one
by jack_h
Sun Sep 25, 2005 8:07 pm
Forum: Gas turbine forum
Topic: my first turbine.
Replies: 1
Views: 4216

my first turbine.

i have done all my reaserch and i know every thing about turbines and pulsejets. i have built pulse jets but not a turbine. i have cheaked out this website http://www.junkyardjet.com/ and this seams like a good place to start. i have already started all i need to do is to get hold of a turbo. what d...
by jack_h
Fri Sep 23, 2005 4:36 pm
Forum: Gas turbine forum
Topic: little engines
Replies: 1
Views: 3587

little engines

you know these little engines the arnt made with a turbo of a car, the one built all in one. do people actualy home build them?? or do they buy them all.
by jack_h
Wed Sep 21, 2005 8:13 pm
Forum: Tools and Construction
Topic: what conditions do you build your engines
Replies: 1
Views: 3226

what conditions do you build your engines

hi i ask a stupied question like this because, since i was little i have built every think in my backyard. but i still mange to amaze my self with what i can do. ill see some thing and ill go out and build one. i never spend any money at all on anything, just say im a skip rat. i dont own many tools...
by jack_h
Wed Sep 21, 2005 6:47 pm
Forum: Valveless pulsejet forum
Topic: sheet steel
Replies: 2
Views: 3420

sheet steel

i can roll steel into tubes but how do you create curves like the one on lockwoods???????
by jack_h
Sun Sep 18, 2005 10:04 am
Forum: Rocket forum
Topic: primitive gas feed rocket
Replies: 7
Views: 9569

re: primitive gas feed rocket

i got all my choices of fuel and and oxidisers from this web page. http://www.gramlich.net/projects/rocket/
it tells you the whole construction and problem you may come across if you are tring to build one. i checked your replies with this page and you give some prety good advice. cheers
by jack_h
Sat Sep 17, 2005 1:22 pm
Forum: Rocket forum
Topic: primitive gas feed rocket
Replies: 7
Views: 9569

primitive gas feed rocket

i've done my fare share of reaserch on rockets and ive come with a idea. im going to build one. im going to use oxegen and propane as my fuel and oxidiser. then im going to build my self a combuster, this is were i need some ones help. im thinking of useing an empty welding gas bottle one of the sma...
by jack_h
Thu Sep 01, 2005 12:53 pm
Forum: Tools and Construction
Topic: air supplies
Replies: 1
Views: 3621

air supplies

i have just brought a leaf blower/vac to start my jets. but im confused when switched on to blow, there one small hole that blow and then the big hole sucks. so how do i use that to start a turbine????
by jack_h
Tue Aug 30, 2005 2:22 pm
Forum: Valveless pulsejet forum
Topic: i cant get my pulse jet to work
Replies: 3
Views: 3644

i cant get my pulse jet to work

when i tryed to start my pulse jet all i got were a few loud hot pops from it. i think its somthing to do with the mix of fuel and air. any advice would be alot of help im sure.

my jet is similar to the one on this site http://www.vhp.co.uk/turbine/pulsejet.shtml