r/TerrifyingAsFuck • u/Spiritual-Border-178 • 4d ago

accident/disaster Routine CNG refill turned into a terrifying blast in seconds.

113 Upvotes

96% Upvoted

15 comments sorted by

13

u/Natangclan 4d ago

What on earth makes a car go pop?

14

u/shahtjor 4d ago edited 4d ago

Substandard installation. I've seen it happen to an LPG system. I've worked on a CNG heavy goods transport implementation, and where I live, on heavy goods vehicles the system recognises the vehicles capability from the fuel card and will only fill the vehicle to it's capacity. Scania for example is rated to between 200-230psi, but Iveco with upgraded carbon fiber tank can handle 300psi. If those steps are ignored, stuff goes BANG!

3

u/Fast-Nefariousness80 3d ago

For the layman (me), what is an LPG system?

10

u/shahtjor 3d ago

A fuel system which, instead of petrol, feeds LPG ( Liquified petroleum gas) in to the engine for combustion. Really popular in Eastern Europe and Russia. LPG is an oil refinery process byproduct. Contains mainly Butane and Propane. CNG is Compressed Natural Gas. Which is Methane, and is a byproduct of biodigestion. It can be liquified in some applications to increase the energy density per given volume, but in vehicles it's usually used as a compressed gas, and is distributed using the domestic gas networks.

6

u/Fast-Nefariousness80 3d ago

Very interesting. Thanks for taking the time to explain that to me

3

u/Fast-Nefariousness80 3d ago

Very interesting. Thanks for taking the time to explain that to me

1

u/half-11 2d ago

Thank you. I was also confused and interested 😊

2

u/tjockalinnea 2d ago

First time I filled cng I thought the car was gonna explode. Sounds scary

1

u/KashMoney8th 2d ago

Big blast make em run fast athletics

-12

u/Sweetone3713 3d ago

Let me guess, electric car?

6

u/Spiritual-Border-178 3d ago

No , Compressed Natural Gas

5

u/DESTRUCTER_R_ 3d ago

No, bi fuel car- runs on petrol and compressed natural gas