Search found 1030 matches

by hectmarr
Tue Nov 22, 2022 8:35 pm
Forum: Hybrid Cannons
Topic: Questions about pressure and flow rate
Replies: 5
Views: 284

Re: Questions about pressure and flow rate

Assuming that there are two combustion chambers A and B, the volume of A is twice that of B, and the initial pressure of B is twice that of A, then theoretically, A and B should use the same amount of fuel, so their calorific values should be the same. Then the question comes, which one, A and B, c...
by hectmarr
Sat Nov 12, 2022 9:38 am
Forum: Hybrid Cannons
Topic: Is there a more active website than this?
Replies: 6
Views: 365

Re: Is there a more active website than this?

It is good here. there are few of us who publish but it is all interesting for me. I guess you can continue to share qualitatively, but not quantitatively. ;)
by hectmarr
Fri Nov 11, 2022 10:48 am
Forum: Hybrid Cannons
Topic: Is there a more active website than this?
Replies: 6
Views: 365

Re: Is there a more active website than this?

I agree with the teacher (Jack). It is useless to try to resist producing holes!! :evil:
by hectmarr
Fri Nov 11, 2022 10:44 am
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

You can use my mother-in-law as a target... JOKE! :twisted: What I'm dying to know is if the whole concept will work well. In my opinion YES! she will do it.
by hectmarr
Fri Nov 11, 2022 7:14 am
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

I would like to focus the conversation on the possibility of turning on a high pressure chamber with a lower pressure one, which is the subject of your publication. what you explain about increasing the pressure with two connected chambers, I know well, because I have already talked about it here. ...
by hectmarr
Thu Nov 10, 2022 6:49 pm
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

I would like to focus the conversation on the possibility of turning on a high pressure chamber with a lower pressure one, which is the subject of your publication. what you explain about increasing the pressure with two connected chambers, I know well, because I have already talked about it here. F...
by hectmarr
Wed Nov 09, 2022 1:27 pm
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

check valve and rupture disc You can use. It will be very delicate to only one check valve so that it does not open prematurely... I tried a valve in these conditions and if you adjust it too high, it does not open, and if it is too little, it loses on the side with the highest The less pressure cha...
by hectmarr
Wed Nov 09, 2022 7:23 am
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

I see it more practical to turn on, for example, a camera at 80X, use an intermediate disk that breaks at 100X, and a camera turned on at 15X, which I think will break the disk. It should generate about 120 bar, the ignition chamber. To make it practical, design engineering is needed. I am afraid to...
by hectmarr
Wed Nov 09, 2022 7:17 am
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

If in a closed chamber I manage to introduce propane and compressed air within the range of stoichiometric proportions, at 100 bar, with a proper ignition, will it explode? :? With the right ignition it should, and we have proof :) I don't know if you're aware of this example that was shooting at u...
by hectmarr
Mon Nov 07, 2022 6:01 pm
Forum: BB, Airsoft, and Pellet Guns
Topic: Benjamin Model 30/30 CO2 Carbine Repeater "Hot Shot"
Replies: 17
Views: 11842

Re: Benjamin Model 30/30 CO2 Carbine Repeater "Hot Shot"

I hope it is something simple the problem of your machine. Surely it is so.
by hectmarr
Mon Nov 07, 2022 6:01 pm
Forum: BB, Airsoft, and Pellet Guns
Topic: Benjamin Model 30/30 CO2 Carbine Repeater "Hot Shot"
Replies: 17
Views: 11842

Re: Benjamin Model 30/30 CO2 Carbine Repeater "Hot Shot"

I hope it is something simple the problem of your machine. Surely it is so.
by hectmarr
Mon Nov 07, 2022 5:56 pm
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

Why can't a compressed air-propane mixture burn at more than 28X? I didn't know this, and I don't understand why... It will burn at much higher mixes but if you are fueling with the propane at atmospheric pressure, then 28x is the highest mix you can achieve. If in a closed chamber I manage to intr...
by hectmarr
Mon Nov 07, 2022 4:45 pm
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

Why can't a compressed air-propane mixture burn at more than 28X? I didn't know this, and I don't understand why...
by hectmarr
Mon Nov 07, 2022 4:41 pm
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

That sounds like it would work, but what sort of mix numbers are you thinking about? I was able to ignite mixes up to 16x using a simple piezo from a cigarette lighter, and about 28x (the highest you can go using just compressed air and not oxygen) with a high voltage stove ingitor . It seems like ...
by hectmarr
Sun Nov 06, 2022 6:11 pm
Forum: Hybrid Cannons
Topic: A brand-new ignition method
Replies: 33
Views: 15073

Re: A brand-new ignition method

I am sure that what you propose will work well, it is an interesting solution. it must only be ensured that the intermediate rupture disc is destroyed at a pressure greater than the mixture pressure in the higher pressure combustion chamber. The practical limit is when the low pressure chamber needs...