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Rotary Engine
Posted by: ScottS ()
Date: November 14, 2008 11:16AM

Here are some pics of a MAzda rotary hooked up to a VW transaxle , would be interesting in a Corvair -make for a very lightweight drivetrain , you can see how small the engine actually is, all alluminum, about 275 lbs with fluids





Thinking about an ultraight car ,(my 66 gutted shell) with the rotary engine in the same poistion as a Crown car.
Engine is not as light as I thought - 275-300 lbs

Ayways thought the pictures were neat

]

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1969 Monza Coupe
1966 Nader Invader !
1966 Monza Coupe
www.vaircooled.com
I love Corvairs
Ohio

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Re: Rotary Engine
Posted by: ScottS ()
Date: November 14, 2008 11:31AM

Cool video at the Mazda factory - I see now why the engine is so heavy , it is solid !!



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1969 Monza Coupe
1966 Nader Invader !
1966 Monza Coupe
www.vaircooled.com
I love Corvairs
Ohio

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Re: Rotary Engine
Posted by: wcelliot ()
Date: November 14, 2008 12:59PM

That was light "way back when" but now an alloy block pushrod 5.3 or 5.7 is a similar weight and 3-4 times the power... main advantage of the rotary is the compactness...

Bill

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Re: Rotary Engine
Date: November 14, 2008 02:10PM

If you were a dog I would slap your nose and say NO!

Apex seals, no TQ , they sound like my 40cc weed wacker!

Research the Subaru flat 4 (or even the 6)

165hp in non turbo form

sounds like a flat motor

weighs less then a vair motor

has 165 Ft Lb of Tq...

VW adapters and swaps are well documented.

Lower center of gravity...


I won't even get into what a turbo subaru is capable of.



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Re: Rotary Engine
Posted by: Wabbitkiller ()
Date: November 14, 2008 02:10PM

That's an interesting idea. I wonder how much power can be squeezed out of one of those rotary engines?

Chris

1965 Monza 95 Convertible 4 speed

Olathe, KS (Kansas City)


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Re: Rotary Engine
Posted by: wcelliot ()
Date: November 14, 2008 03:01PM

"A lot", but do the same mods to a big V8 (or even to the Subaru engine as suggested) and the result is "a lot more"...

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Re: Rotary Engine
Posted by: ScottS ()
Date: November 14, 2008 03:54PM

Hows 1600 HP ?

[www.youtube.com]







I guess you can put a lot of pressure to them because there isn't anything to really blow up


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1969 Monza Coupe
1966 Nader Invader !
1966 Monza Coupe
www.vaircooled.com
I love Corvairs
Ohio

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Re: Rotary Engine
Posted by: ScottS ()
Date: November 14, 2008 03:55PM

oops didnt embed that one right



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1969 Monza Coupe
1966 Nader Invader !
1966 Monza Coupe
www.vaircooled.com
I love Corvairs
Ohio

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Re: Rotary Engine
Posted by: Keith ()
Date: November 14, 2008 04:10PM

In short, nice to look at, but don't do it. Mazda's rotary engines turn 7000 rpm in stock form with ease. In a light weight RX7 with 5.13 gears and short 13 inch tires. Coupled to a VW trans axle with 3 series gears and 30 inch tires, it will be a dog. I like the rotary when it is in a first gen RX7. They are a blast! The sandrail could be a disaster, if homework is not done right. Would not be any performance gains in a stock bodied 'Vair. As I remember they only had 110 hp and very little torque.

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Re: Rotary Engine
Posted by: ScottS ()
Date: November 14, 2008 04:12PM

I still want to stay with Corvair power, just thouht the rotary was cute

I am thinking about putting the Vair engine where a Crown V8 would go. Anyne seen that before >

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1969 Monza Coupe
1966 Nader Invader !
1966 Monza Coupe
www.vaircooled.com
I love Corvairs
Ohio

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Re: Mid Corvair Engines?
Posted by: MattNall ()
Date: November 14, 2008 04:45PM

Sure been done a few times..

1 Reversed R & P rare and hard to find!

2 Rotated Bellhousing I have one Cheap too!! for you!! gg

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Re: Mid Corvair Engines?
Posted by: MattNall ()
Date: November 14, 2008 04:53PM

MattNall Wrote:
-------------------------------------------------------
> Sure been done a few times..
===========================

Rear shot showing transaxle and rear spring arrangement using LM arms

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Re: Rotary Engine
Posted by: John L ()
Date: November 14, 2008 05:08PM

I heard that the rotary engines were stack able?? Is this a myth?

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Re: Rotary Engine
Date: November 14, 2008 05:12PM

nope, they have 2 and 3 rotor designs , and I think there are a few 4 rotors out there.


as for their being "nothign to blow up"

The Apex seals on them blow out all the time, the motors eat oil.. it's just a bad design.


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Re: Rotary Engine
Posted by: The Stig ()
Date: November 14, 2008 06:56PM


> I am thinking about putting the Vair engine where
> a Crown V8 would go. Anyne seen that before >
>


As Matt says, been done a few times. A few pics were posted of one last year. Boy do I think that would be a fun project. Not so much looking for performance, would just be neat to make it mid engined and as stock looking as possible. I have a reveresed 4.11 R&P on the shelf to try this someday. Too many other porjects ahead though. The '69 vert needs so much, and I need to finish my '65 sedan ultimate drive project.

..

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Re: Rotary Engine
Posted by: ScottS ()
Date: November 14, 2008 07:05PM

Geoff

We should build two - that we have work out the logisics and get multiples made of whatever parts. I think it would be cool

Would you do 4 speed or PG ?

I have this 66 Monza Shell that needs something done with it


I would like to see the pics of previous versions if anyone knows where they are - were they lost in the "great crash" ???

When I was a little kid my dad took the front of an old Renault, with a 4 cyl , front wheel drive , and welded to the front end of a VW. So he had rear engine , RWD , Ihave no idea how he got it to go the right direction, Ijust remember I used to ride in the front well of the VW part
( no body , just the platform of each car was welded together I guess the Reanult was a unibody too)

- we used it to haul firewood and tools arund the property -so Iguess that's where I got this mania for mix and match drivetrains


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1969 Monza Coupe
1966 Nader Invader !
1966 Monza Coupe
www.vaircooled.com
I love Corvairs
Ohio

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Re: Rotary Engine
Posted by: The Stig ()
Date: November 14, 2008 07:29PM

I spoke with Bob Anderson at the convention this summer about it briefly and he mentioned having the rest of the parts needed to do a PG which I think would be simplest. No shortage of bodies to do the swap on, just time, money, energy are the missing elements.

We have a junk rusty '65 coupe we were thinking of using to mock up a setup to get it figured out on then do it on a good car.

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Re: Rotary Engine
Posted by: Spectre ()
Date: November 14, 2008 07:33PM

With a mid-engined set up using Corvair power, couldn't you turn the rear compartment into a trunk as well?

David Clamp


1965 Corsa convertible - 140 4spd/3.55/AM-FM

2013 Mustang GT convertible - 5.0, 6spd auto

2003 Miata SE - 6spd manual (wife's toy)

"Victory is mine!" - SG

Warner Robins, GA (15 miles south of Macon)

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Re: Rotary Engine
Posted by: ScottS ()
Date: November 14, 2008 08:10PM

Spectre Wrote:
-------------------------------------------------------
> With a mid-engined set up using Corvair power,
> couldn't you turn the rear compartment into a
> trunk as well?
>
> David Clamp


Yes , it should be empty, but a good place for oil cooler , NOS bottles, Intercoolers , you know - stuff.

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1969 Monza Coupe
1966 Nader Invader !
1966 Monza Coupe
www.vaircooled.com
I love Corvairs
Ohio

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Re: Rotary Engine
Posted by: afragasr ()
Date: November 14, 2008 10:29PM

The main advantage of the rotary engine has always been its compactness and the fact that it has a lot less moving parts as compared to a piston engine. Less moving parts equals less wear.
We all would be driving a lot more rotary engined cars if the rotary eng. had gotten the development that the gas eng. has been having for over a hundred years.
The seals,the archile heels of the rotary,are the weak point,but I think only because they have not been developed as they could be if many more manufacturers were to be working on them.
My thoughts,anyway.
Armando.

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