Suzuki 1.3L

[Guest brentc]

Actually, I believe that this is the case:

 

912 - 1.2 litre 80hp

 

912S - 1.4 litre 100hp

 

914 - 1.2 litre turbo 115 hp

 

Bring on the 916? Turbocharged 1.4 litre! (Just me dreaming - 135 hp?)

 

 

[Flyer]

Quite correct Brent.

 

Interesting to notice that Rotax has a time limit on the available power. 914turbo 115hp for max 5 mins and then throttle back to 100hp. The 912 100hp for max 5 min and then throttle back to 95hp.

 

Still no substitute for cubes.....

 

Regards

 

Phil

 

 

[Guest Flyer40]

Phil, often as part of certification they run engines at red-line with no oil, (to simulate oil loss) usually with no noticeable significant wear.

Are you serious Brent? How long does this test last? I'm struggling to understand this, since I had a race engine that managed to uncover the oil pickup due to lateral g and left me skating on a slick of my own oil and coolant after it exploded almost immediately. The damage to the engine was extensive. Liberated engine parts had even crushed the exhaust manifold on their way out. This was due to a loss of oil pressure for a second at about 50% throttle and 5500 rpm. There was still oil in the bearings, but not at an adequate pressure within the bearings to overcome combustion forces. The resulting metal on metal situation was instantaneously destructive.

 

Coupled with this is the fact that car engines experience most of their wear in the first few seconds after starting before oil pressure is achieved, at idle/low rpm.

 

How do aero engines achieve the ability to run without oil, surely there is more to it than just lower rpm?

 

 

[Guest airsick]

I am struggling to believe this too. I remember when I was younger my mate had an old Mazda 626 that he used to service himself. He drained the oil one day and forgot to put the sump plug back. Dropped it off the jack, put 4L of oil in (or whatever it was meant to take) and then started it without checking the oil level. Stupid I know, but that's not the point of the story. The point is that it ran for all of about a minute before spitting the dummy and scaring the crap out of all of us at the same time. And this was just sitting in the garage doing nothing but idling.

 

Running at red line while dry? I seriously doubt it.

 

 

[Guest Baphomet]

Then there is the well documented case of the manufacturer of an oil-additive who, to promote the product, added it to the oil of a car in Sydney, ran the car for a few minutes to ensure all surfaces were duly coated, drained the oil and then drove it at highway speeds to Melbourne apparently without destroying the engine. As they say, oils ain't oils

 

 

[Guest Flyer40]

I was aware of that. I have heard that some people considered it a non-scientific publicity stunt, and not a very believable one.

 

On the subject of Suzuki's, I once had a Suzuki car that didn't have a sump and had no oil in the crank case. It had roller bearings on the crank journals and in both ends of the con rods.

 

It was an LJ50, with a 850cc two-stroke engine that made about the same power as a 1500cc four-stroke. It was limited by gearing to about 80 km/h, although I seized it couple of times trying to coax it up to 120 km/h over Alfords Point bridge. But it was so easy to repair it didn't matter.

 

 

[Brett]

Baphomet ,,,,,,,,,,,I wonder if thats an urban myth ,,,I heard the car traveled to perth

 

 

[Guest disperse]

Then there is the well documented case of the manufacturer of an oil-additive who, to promote the product, added it to the oil of a car in Sydney, ran the car for a few minutes to ensure all surfaces were duly coated, drained the oil and then drove it at highway speeds to Melbourne apparently without destroying the engine. As they say, oils ain't oils

The same additive also had a holden red motor sitting in a frame idling all day with no sump on the bottom.... ME'S thinking was "Pro ma" ...... Remember seeing it at a farming display I think.

 

 

[Guest brentc]

Then there is the well documented case of the manufacturer of an oil-additive who, to promote the product, added it to the oil of a car in Sydney, ran the car for a few minutes to ensure all surfaces were duly coated, drained the oil and then drove it at highway speeds to Melbourne apparently without destroying the engine. As they say, oils ain't oils

Exactly right, I remember an advert for this on TV. I didn't remember the brand from the advert. Have heard of a locally made aircraft engine being tested with no oil for certification purposes too with no noticeable damage.

 

 

[Yenn]

I am pretty sure that to get an aircraft engine certified it has to run 10 mins without oil.

 

Have a look on Avweb at the latest "Savvy Aviator" Mike Busch says that most engines fail in the first 200 hours or after maintenance. Back to the forgetting to put the plug in.

 

Remember it was not so long ago that Enzo Ferrari won his weight in champagne by producing 100hp from a litre. But i think it was normally aspirated.

 

 

[Knighty]

Teflon

 

Yes I remember that experiment. I think they were testing Nulon oil additive at that time, says a lot about the product. Teflon has good lubricant properties (not to be used in wet clutch applications, limited slip diffs etc) however I am not sure what it does to the human body once ingested via our 'you beaut' non stick pots and pans. There has been tests that teflon has been found in liver tissue however the results are still pending on the adverse effects as far as I know. A bit off the subject but still interesting!

 

Knighty

 

 

[eyecast]

Hi

 

What a ride.

 

Thanks for all the comments.

 

I think we should wait for Blackhawk's test results on of the 1.4L

 

I certainly understand that the higher the energy load the shorter the life of any engine. The whole process of putting an engine into an AC is a balance, along with many other aspects of building any AC.

 

If the little Turbo Suzi (1.3 or 1.4L) turns out to be a realistic alternative power plant that runs at 75% of the current article that's still 135 - 150 HP. I would like that HP getting off a shot field and from 0 - 2000 feet.

 

We all await further testing and certification.

 

eyecast:hug:

 

 

[Deskpilot]

Blackhawk, and results on your dyno tests yet?

 

 

[Blackhawk]

Hi Doug,

 

The test engine is being unloaded in Brisbane today (Wednesday 30.1.08) and we should have it at the Engineers on Monday or Tuesday. It will take about a week to set the engine up on the Dyno and another week to do the testing.

 

So some time around the 18th February we should be able to post the results.

 

In the meantime I will post photo's of the engine being unpacked and also on the test bench of the Dyno. I might even do a video of the engine being tested and do some close-ups of the instrument readings in test conditions.

 

Graeme

 

 

[Deskpilot]

Cheers Graeme, I'm sure we'll all appreciate your efforts and look forward to the results.

 

 

[eyecast]

Hi All

 

This week I found a 1.3L Suzuki aftermarket turbocharger running 14lb pressure in a Suzuki GTI (Car) that achieves 180HP at the wheels from 3000 to 8000rpm that's been running for a couple of years as an every day drive. Maybe we have a contender for a 2:1 stepdown running at 5500 - 6000rpm running a prop at 2750 - 3000 rpm seems in the power band.

 

:cool:eyecast:cool:

 

 

 

 

 

 

 

 

[eyecast]

Hi Blackhawk

 

Any joy from the testing

 

Regards :pig::pig::pig: can fly

 

 

[Blackhawk]

Hi Eyecast.

 

Nothing to report yet.

 

We've had a couple of hickups with delivery etc. and the Dyno has been booked out solid we recieved it, and we can't get on it till 5th May now.

 

Hopefully we will have the Geared redrive finished by that date as well.

 

Blackhawk