Engines with odd number cylinders - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Muscle Master · 08-10-2008, 01:44 PM

Hmm..... I had a dream last night, it was a X-ray view of a 4 banger but it was odd, I notice there was another cylinder and it was a little bigger than the other 4

Maybe this is a sign that I should build an engine like this

Is it possible to build an ( example of what I am talking about) 5 cylinder engine, but have a the 5th cylinder larger than the other 4 and it is only activated when the engine needs more power, kind of like AFM but....not

And here another question, how come automakers don't use cylinders with an odd number, like V3, V7, V9, V11, etc

bouncertime · 08-10-2008, 02:05 PM

I think a bigger cylinder would really throw off the balance of the engine.

Muscle Master · 08-10-2008, 02:10 PM

Quote:

Originally Posted by bouncertime

I think a bigger cylinder would really throw off the balance of the engine.

How so ?

I didn't mean big ....big, just enough for you to squeez about 50 to 100 extra horses when needed, like me towing something

lafountain · 08-10-2008, 02:36 PM

Well some manufacturers have had 3 cylinder engines. The Metro was a 1.0 liter 3 cylinder engine. The Smart car also only has a 3 cylinder.

There apparantly have been some 5 and 9 cylinder engines as well.

http://en.wikipedia.org/wiki/Straight-5
http://en.wikipedia.org/wiki/Straight-9

And apparantly Ford is working on a new 3 cylinder engine as well.

http://www.autospies.com/news/Ford-t...Engines-32885/

Shadowsong · 08-10-2008, 02:47 PM

Quote:

Originally Posted by Muscle Master

Hmm..... I had a dream last night, it was a X-ray view of a 4 banger but it was odd, I notice there was another cylinder and it was a little bigger than the other 4

Maybe this is a sign that I should build an engine like this

Is it possible to build an ( example of what I am talking about) 5 cylinder engine, but have a the 5th cylinder larger than the other 4 and it is only activated when the engine needs more power, kind of like AFM but....not

And here another question, how come automakers don't use cylinders with an odd number, like V3, V7, V9, V11, etc

Because they are a nightmare to balance, seeing as one side of the engine would have an extra cylinder.

Muscle Master · 08-10-2008, 02:57 PM

Quote:

Originally Posted by Shadowsong

Because they are a nightmare to balance, seeing as one side of the engine would have an extra cylinder.

Thanks for clearing that up for me, So if I was to build this engine I dreamed about The V engine architect is out

So I need to come up with a revolutional engine architect

This will take years lol

What if I was 2 line to cylinders on each side and one in the upper middle

Lifted07Sierra · 08-10-2008, 02:59 PM

So you mean almost like a rotary?

Muscle Master · 08-10-2008, 03:06 PM

Quote:

Originally Posted by Lifted07Sierra

So you mean almost like a rotary?

Lol I know nothing about a rotary engine, explain while I research

Lifted07Sierra · 08-10-2008, 03:14 PM

Quote:

Originally Posted by Muscle Master

Lol I know nothing about a rotary engine, explain while I research

http://en.wikipedia.org/wiki/Rotary_engine
http://www.howstuffworks.com/rotary-engine.htm

Muscle Master · 08-10-2008, 03:21 PM

Umm no not quite

Shadowsong · 08-10-2008, 03:22 PM

Quote:

Originally Posted by Muscle Master

Thanks for clearing that up for me, So if I was to build this engine I dreamed about The V engine architect is out

So I need to come up with a revolutional engine architect

This will take years lol

What if I was 2 line to cylinders on each side and one in the upper middle

Could always go with an inline, or a flat, or a straight 3/5/7/9

Wm Holden · 08-10-2008, 03:33 PM

they make 5 cyls too......"radial" is the term not rotory
like a star...that allows balance.
I think the real revolution could be in "5" strokjes instead of 4..
inject water into the cyl on the 5th stroke and utilize the energy that is usually wasted as heat in the radiator....it's been done by a guy who build cams for hi po engines...and it works and the engine never gets to hot to lay your hand on it.

Muscle Master · 08-10-2008, 03:33 PM

Quote:

Originally Posted by Shadowsong

Could always go with an inline, or a flat, or a straight 3/5/7/9

Thoses are good canidates but been done before, I also want this 5 cylinder to get 30+ MPG with a kick

the only hard part about making this engine, that is the engine architect it self, this is going to get complicated my brain hurts

Beelzebubba · 08-11-2008, 10:30 AM

I think the extra reciprocal mass would not only imbalance the engine, but also knock down the overall performance of the regular 4 cylinder.

There used to be lots of 3 cylinder cars in the USA. The previously mentioned Metro, the Daihatsu Charade, the Subaru Justy...

I don't know why a Suzuki G10 motor in a Chevrolet Metro sounds like crap and the Triumph 3-cyl sounds so beautiful.

Honda built a lot of weird V configured engines in the '80's.

V2s, V3s, V4s, V5s, V7s...etc...

They had an oval pistoned 32 valve, 8 sparkplug, V-4.

Their V-3s were very successful in Moto-GP.

And the next VFR is supposed to be a V-5
http://www.motorcyclenews.com/upload...ug-6-front.jpg

08-10-2008, 02:05 PM	#2
bouncertime Miller High Life Drives: 2021 Camaro LT1, 2017 Colorado Z71 Join Date: Feb 2008 Location: San Diego, CA Posts: 1,199 View My Garage	I think a bigger cylinder would really throw off the balance of the engine. __________________ Jimmy

08-10-2008, 02:36 PM	#4
lafountain Drives: 2011 Synergy Green 2SS/RS Join Date: Mar 2008 Location: Lexington Park, MD Posts: 887	Well some manufacturers have had 3 cylinder engines. The Metro was a 1.0 liter 3 cylinder engine. The Smart car also only has a 3 cylinder. There apparantly have been some 5 and 9 cylinder engines as well. http://en.wikipedia.org/wiki/Straight-5 http://en.wikipedia.org/wiki/Straight-9 And apparantly Ford is working on a new 3 cylinder engine as well. http://www.autospies.com/news/Ford-t...Engines-32885/ __________________ Hey, you want to lay the fate of the world on the kid's Camaro? That's cool. I bought a car, turned out to be an alien robot. Who knew?

08-10-2008, 03:33 PM	#12
Wm Holden Yes, that's my real name. Drives: 2005 LS2 600hp GTO Join Date: Jul 2008 Location: Ventura, ca. Posts: 770	they make 5 cyls too......"radial" is the term not rotory like a star...that allows balance. I think the real revolution could be in "5" strokjes instead of 4.. inject water into the cyl on the 5th stroke and utilize the energy that is usually wasted as heat in the radiator....it's been done by a guy who build cams for hi po engines...and it works and the engine never gets to hot to lay your hand on it. __________________ Magnuson 112HH supercharger at 7.5 psi (Virtual 9.0 liter) 600hp 1 of 2 torrid/red int /A4/05 555r 275/40/R17's Nitto Extreme Drags 1.7 60 ft Car runs high 11's No other mods. I got the first 112HH Magnuson blower ported for a GTO. Now it appears it was also one of the last.... http://www.ribbonprinting.com http://www.personalizedawarenessribbons.com

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08-10-2008, 02:59 PM	#7
Lifted07Sierra Drives: 2007 gmc sierra Join Date: Aug 2008 Location: modesto, ca Posts: 87	So you mean almost like a rotary?

08-11-2008, 10:30 AM	#14
Beelzebubba cheap plastic member Drives: Mazda6s Join Date: Jul 2008 Location: Arlington Posts: 216	I think the extra reciprocal mass would not only imbalance the engine, but also knock down the overall performance of the regular 4 cylinder. There used to be lots of 3 cylinder cars in the USA. The previously mentioned Metro, the Daihatsu Charade, the Subaru Justy... I don't know why a Suzuki G10 motor in a Chevrolet Metro sounds like crap and the Triumph 3-cyl sounds so beautiful. Honda built a lot of weird V configured engines in the '80's. V2s, V3s, V4s, V5s, V7s...etc... They had an oval pistoned 32 valve, 8 sparkplug, V-4. Their V-3s were very successful in Moto-GP. And the next VFR is supposed to be a V-5 http://www.motorcyclenews.com/upload...ug-6-front.jpg