How does a rotary engine sound like?
10-26-05, 04:10 PM
#1
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How does a rotary engine sound like?
As a first time rotary car owner (89 FC3 Vert), I had no idea what a rotary sounds like. I don't even know if my car's making the right sound either. When I rev it up, engine makes a whining noise at the end, it's like a propeller whining sound. Is this normal???
10-26-05, 04:24 PM
#2
knowledge junkie
The OEM exhaust sounds a bit "tinny/quiet to me." I like the HKS exhaust personally as it's nice & throaty and has a distinctive rotary high RPM sound that's NOT buzzy, tinny, or "hole in exhaust" sound like most cheap 4 cylinder exhaust systems. It sounds really really good and is a thrill to hear/experience.
The Racing Beat system has a nice note as well, but is a bit quieter.
Besides exhaust you'll hear the air-pump (emissions) venting above 4500RPMS I think (that wooshing sound) and you'll notice the tone change when the VDI (variable duct intake) system opens up ~3600RPMS I think and again at 6500RPMS. (can't remember why the sound changes at that RPM offhand.
The Racing Beat system has a nice note as well, but is a bit quieter.
Besides exhaust you'll hear the air-pump (emissions) venting above 4500RPMS I think (that wooshing sound) and you'll notice the tone change when the VDI (variable duct intake) system opens up ~3600RPMS I think and again at 6500RPMS. (can't remember why the sound changes at that RPM offhand.
Last edited by vaughnc; 10-26-05 at 04:26 PM.
10-26-05, 05:09 PM
#4
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BRAAAAAAAAAAAAAP BRAAAAAAAAAAAAAAAP *throttle off* pm pm pm
that made sense to me...
but when you let of the throttle it makes tiny backfire-like noises which used to scare me but its normal.
that made sense to me...
but when you let of the throttle it makes tiny backfire-like noises which used to scare me but its normal.
10-26-05, 05:49 PM
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Originally Posted by 2slow4stock
Why it changes tone above 6k rpm is because the 5th and 6th ports are open. So Chainsaw massacure (spelling?)
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10-26-05, 06:11 PM
#9
Originally Posted by jamesc760
As a first time rotary car owner (89 FC3 Vert), I had no idea what a rotary sounds like. I don't even know if my car's making the right sound either. When I rev it up, engine makes a whining noise at the end, it's like a propeller whining sound. Is this normal???
10-26-05, 09:53 PM
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Once I left my Maz idling outside of a bank so I could draw money from an ATM, and this woman came outside the bank and said "Where's that chopper I can hear?" I said, "that Aint no chopper, It's my turbo RX7!" She just went "oh!", and walked back inside!
I love the sound of the car starting, when It sits on about 1500rpm during warmup.
I have a home-made, straight through, twin 3" system from the downpipe, with two humungous "Rota-flo" (Aussie icon) Stainless packed mufflers! ($400 each AUD). My only problem now is that the boost cut takes all my fun away when I floor it!
I love the sound of the car starting, when It sits on about 1500rpm during warmup.
I have a home-made, straight through, twin 3" system from the downpipe, with two humungous "Rota-flo" (Aussie icon) Stainless packed mufflers! ($400 each AUD). My only problem now is that the boost cut takes all my fun away when I floor it!
11-07-05, 01:11 PM
#15
Jesus is the Messiah
Originally Posted by vaughnc
Besides exhaust you'll hear the air-pump (emissions) venting above 4500RPMS I think (that wooshing sound) and you'll notice the tone change when the VDI (variable duct intake) system opens up ~3600RPMS I think and again at 6500RPMS. (can't remember why the sound changes at that RPM offhand.
VDI opens around 6500RPM
11-17-05, 02:19 AM
#19
Friends told me my '84 GSL sounded like a Hoover vacuum cleaner (stock)
best description I've heard is a weedwhacker on crack.
I dunno, when I've been behind them they have a strong "metallic" sound, if that means anything.
best description I've heard is a weedwhacker on crack.
I dunno, when I've been behind them they have a strong "metallic" sound, if that means anything.
