Speed,Combat,Scale,Racing > Combat

Tongue mufflers

<< < (2/4) > >>

944_Jim:

--- Quote from: howard shenton on January 03, 2022, 10:25:12 AM ---A tube muffler with an inner drilled tube drilled with many holes and an outer tube for mounting.

--- End quote ---

That sounds like a typical motorcycle canister muffler. I wonder if the guy's muffler could have fiberglass packing for more sound suppression (think Kerker cans from the 80s-90s).

Paul Smith:
Per a technical journal I read back when combat mufflers were is discussion, to paraphrase: 

A muffler with NO back pressure allows the ear-splitting noise to go right through.
The engine only makes BAD noise about 2% of the time.   The ultimate muffler opening is open 100% of the time.  The expansion chamber converts the series of ear-damaging impacts into a steady flow of less harmful noise.
The ultimate muffler opening only needs to be 20-25% the size of the initial exhaust port to reduce noise without loss of power.
Noisy exhaust systems are an expression of machismo without added performance.

kevin king:
It will be hard to look macho with hearing aids.😁

944_Jim:

--- Quote from: Paul Smith on January 03, 2022, 02:32:17 PM ---Noisy exhaust systems are an expression of machismo without added performance.

--- End quote ---

So that's why Harley riders and crotch-rocket guys do that, eh?  ;D

katana:

--- Quote from: 944_Jim on January 03, 2022, 06:59:37 PM ---So that's why Harley riders and crotch-rocket guys do that, eh?  ;D

--- End quote ---

Only the dumb ones! . . . . . . . the smart ones fit turbo's! Best silencer that adds power too!  #^

Navigation

[0] Message Index

[#] Next page

[*] Previous page