Search found 9 matches
- Mon Jul 21, 2014 8:33 pm
- Forum: Valved pulsejet forum
- Topic: Units used in Calculator
- Replies: 3
- Views: 6770
Re: Units used in Calculator
Thanks!
- Sun Jul 20, 2014 9:38 pm
- Forum: Valved pulsejet forum
- Topic: Units used in Calculator
- Replies: 3
- Views: 6770
Re: Units used in Calculator
in the Eric Beck's calculator in .xls file i still cant understand the units of thrust! Is the kgs signify Newtons or is it kilogram-force (kgf)............. Plz reply!
Thanks
Thanks
- Sun Feb 23, 2014 4:42 pm
- Forum: Valved pulsejet forum
- Topic: Units used in Calculator
- Replies: 3
- Views: 6770
Units used in Calculator
I built an engine using Eric Beck calculator for the same and found it working satisfactorily! But the thing is I have been wondering that the units used were written in the thrust row as lbs and kgs which i find somewhat difficult to understand as commonly we use for Force the units of kgf and lbf ...
- Sun Jan 05, 2014 4:49 pm
- Forum: Valved pulsejet forum
- Topic: My First Valved Pulse Jet
- Replies: 5
- Views: 6967
Re: My First Valved Pulse Jet
It works! Its buzzing! WoW! thanks...opening the gap did the trick.... but it seems like I was also spraying a very small amount of fuel!
- Fri Jan 03, 2014 5:24 pm
- Forum: Valved pulsejet forum
- Topic: My First Valved Pulse Jet
- Replies: 5
- Views: 6967
Re: My First Valved Pulse Jet
No! The fuel does not ignite! Well my ignitor should provide round about 8 sparks per second (8 Hz freq.) with 66% duty cycle!
- Fri Jan 03, 2014 4:26 pm
- Forum: Valved pulsejet forum
- Topic: My First Valved Pulse Jet
- Replies: 5
- Views: 6967
My First Valved Pulse Jet
Well I built my first 10lbs Valved Pulse jet following the design calculations of Eric Beck Calculator..... I have used the aspirated engine approach! When I tried to start the engine by blowing air inside using an air-blower, powered on the spark plug through a driving circuit based on an automobil...
- Thu Nov 28, 2013 6:32 am
- Forum: Valved pulsejet forum
- Topic: Air Tight
- Replies: 1
- Views: 3220
Air Tight
I am unsure whether the pulse jet needs to be airtight without any small openings between the combustion chanmber and the head assembly.... I think using flanges might also result in small space?? Is it okay or should it be completely closed because of we blow air inside for starting the same some a...
- Wed Sep 11, 2013 11:53 am
- Forum: Valved pulsejet forum
- Topic: Material Thickness
- Replies: 3
- Views: 5229
Re: Material Thickness
I use muffler pipe and EMT electrical conduit for building engines. I'm not sure of the thickness maybe .060". It takes some practice to weld it with my a stick welder using my old 1970s Lincoln Welder. But this way the pulse jet will weigh more than 2 kgs which will make life difficult for me as I...
- Wed Sep 04, 2013 6:21 pm
- Forum: Valved pulsejet forum
- Topic: Material Thickness
- Replies: 3
- Views: 5229
Material Thickness
I was planning on building a 25lbs Valved Pulse Jet Engine but couldnt figure out how much thick should the tail pipe and the combustion chamber be? Can I use a #25 Gague Mild Steel Sheet rolled out for my given diameter for the same purposes? Will it be enough?? Plz help! Also this one will not be ...