RX7Club.com - Mazda RX7 Forum

General Rotary Tech Support Use this forum for tech questions not specific to a certain model year

why do rotaries sound the way they do?

   
Old 10-21-07, 01:25 AM
  #1  
Listen to King Diamond.

Thread Starter
iTrader: (4)
 
need RX7's Avatar
 
Join Date: Dec 2006
Location: Sterling Heights, MI
Posts: 2,832
Received 6 Likes on 6 Posts
why do rotaries sound the way they do?
I was just wondering why rotaries have the lovely pulsating sound they do at idle. if tyhe engine is moving at a constant speed, why would the sound be like that?
need RX7 is offline  
Reply Like
Old 10-21-07, 01:40 AM
  #2  
Top's always down
iTrader: (5)
 
SLOASFK's Avatar
 
Join Date: Dec 2005
Location: Spain
Posts: 4,841
Likes: 0
Received 1 Like on 1 Post
I'm no expert, but I'd have to say it's because of how the rotors pass over the ports, vs a 4-stroke piston engine where the piston doesn't actually pass across the valve...
SLOASFK is offline  
Reply Like
Old 10-22-07, 12:05 AM
  #3  
Full Member

 
sleeepyhead's Avatar
 
Join Date: Aug 2003
Location: bay area
Posts: 117
Likes: 0
Received 0 Likes on 0 Posts
also rotary exhaust should be pretty constant cause the ports are always open and yet the exhaust comes out in pulses
sleeepyhead is offline  
Reply Like
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Car is too loud, but only mild mods - why?
msilvia
3rd Generation Specific (1993-2002)
28
04-14-16 12:58 PM
Rotary only magazine
1993fd3sracer1
2nd Generation Specific (1986-1992)
6
08-31-15 07:14 PM
Compression test out of car
elfking
3rd Generation Specific (1993-2002)
3
08-19-15 09:48 PM
Tags
Back to Subforum
General Rotary Tech Support
View Next Unread
is the a good idea???


Thread Tools
Search this Thread
Search this Thread:

Advanced Search

Advanced Search
Quick Reply: why do rotaries sound the way they do?


Reply Closed Thread Share

All times are GMT -5. The time now is 09:54 PM.