Kawasaki entering into aviation engine market

[Kyle Communications]

This could be interesting 117hp and 200hp 4 cyclinder

 

 

[IBob]

Interesting!
2030: I'll set my alarm (by the rocking chair......)

[Kyle Communications]

No gearbox solutions that I could find but no doubt kwaka will produce one. They certainly are aware of operating parameters of aero engines so one would think they would cater for the right prop rpm.

The straight format though maybe a issue for cowls and maybe how far you can roll the motor over to make them fit

 

[Kyle Communications]

1 minute ago, IBob said:

Interesting!
2030: I'll set my alarm (by the rocking chair......)

Well at the rate I am building my aircraft here it will probably be available by the time I am ready 😞

[onetrack]

8,500RPM!! Wow, what a bunch of screamers! I trust they also develop good sound-proofing and engine noise reduction!

[BrendAn]

5 minutes ago, onetrack said:

8,500RPM!! Wow, what a bunch of screamers! I trust they also develop good sound-proofing and engine noise reduction!

. yamaha phasers getting used in stol planes run to 10,000 rpm. 

kawasaki stuff is high quality.

[onetrack]

High quality or not, an engine in an aircraft, doing 8,500RPM at full throttle is going to annoy a lot of people.

[BrendAn]

23 minutes ago, onetrack said:

High quality or not, an engine in an aircraft, doing 8,500RPM at full throttle is going to annoy a lot of people.

Good silencers fix that.

 

[BurnieM]

Just so you know, an engine doing 8,500 rpm is not considered high reving in the motorcycle world.

Of course motorcycles, when being used in high performance mode, have constantly varying revs and do not sit at any revs continuously.

It appears to have a watercooled cylinder and head which keeps noise quite low.

 

I did see that the 4 cylinder engine was listed without a gearbox so I do not see how this would work in a plane.

 

Edited Monday at 12:57 PM by BurnieM

[Red]

39 minutes ago, onetrack said:

High quality or not, an engine in an aircraft, doing 8,500RPM at full throttle is going to annoy a lot of people.

Nah by that reasoning the 912 series installation should be worse than a lycosauraus and we all know that aint the case, in gact quite the reverse.

As Brenden mentioned just needs adequate silencing which Kawasaki already know how to do

 

Edited Monday at 01:00 PM by Red

[Red]

8 minutes ago, BurnieM said:

Just so you know, an engine doing 8,500 rpm is not considered high reving in the motorcycle world.

Of course motorcycles, when being used in high performance mode, have constantly varying revs and do not sit at any revs continuously.

It appears to have a watercooled cylinder and head which keeps noise quite low.

 

I did see that the 4 cylinder engine was listed without a gearbox so I do not see how this would work in a plane.

 

Yea, maybe they want to use that engine for something else as well as the aero version so the gearbox is an add on

[onetrack]

I'm pretty familiar with big Jap motorbikes and I know 8,500RPM isn't high-revving for them. I also have my ears assailed daily by Jap motorbike riders wrapping on the throttle. I can well imagine the outrage of the non-flying set when they hear aircraft with Kawasakis doing 8,500RPM at WOT on takeoff and climb. There's enough complaints now with the current providers of engines.

 

I have yet to see an exhaust system that can keep a high-revving Jap motorbike engine quiet. BRAAP motorbikes didn't develop their brand name just on wordplay.

[Kyle Communications]

I dont think they ave done anything with the gearbox yet as in the scheme of things that for them is pretty simple. Get the engine specs and torque curves right first then the gearbox

 

[BrendAn]

4 minutes ago, onetrack said:

I'm pretty familiar with big Jap motorbikes and I know 8,500RPM isn't high-revving for them. I also have my ears assailed daily by Jap motorbike riders wrapping on the throttle. I can well imagine the outrage of the non-flying set when they hear aircraft with Kawasakis doing 8,500RPM at WOT on takeoff and climb. There's enough complaints now with the current providers of engines.

 

I have yet to see an exhaust system that can keep a high-revving Jap motorbike engine quiet. BRAAP motorbikes didn't develop their brand name just on wordplay.

Have you flown in a Rotax powered plane . As red said they are quieter than conventional aero engines.

[BrendAn]

Kawasaki are one of the largest aircraft manufacturers in the world  so they certainly have the experience and expertise to produce an excellent engine.

[Arron25]

1 hour ago, Red said:

Yea, maybe they want to use that engine for something else as well as the aero version so the gearbox is an add on

Outboard / Sterndrive?

[Red]

2 hours ago, onetrack said:

I'm pretty familiar with big Jap motorbikes and I know 8,500RPM isn't high-revving for them. I also have my ears assailed daily by Jap motorbike riders wrapping on the throttle. I can well imagine the outrage of the non-flying set when they hear aircraft with Kawasakis doing 8,500RPM at WOT on takeoff and climb. There's enough complaints now with the current providers of engines.

 

I have yet to see an exhaust system that can keep a high-revving Jap motorbike engine quiet. BRAAP motorbikes didn't develop their brand name just on wordplay.

Nonsense, Riders routinely fit noisy aftermarket exhausts to their bikes but standard fitments are generaly not loud, certainly the manufacturers know how to make quiet sports tourer machines and do so.

Owners of aircraft aren't gonna be fitting big bore performance pipes or cutting out baffles.

Edited Monday at 03:31 PM by Red

[Red]

52 minutes ago, Arron25 said:

Outboard / Sterndrive?

Yea I was wondering maybe water jet on something like a large jetski or maybe just a different ratio/auto  box for a Skidoo type machine, would make sense then to make the drive accept different output sections

Edited Monday at 03:33 PM by Red

[spacesailor]

8.400 RPM

Great for a ' ducted fan ' aircraft .

It would make my direct-drive  36" HB prop , break the sound barrier, ! .

So the exhaust whine  wouls be none audible .

spacesailor

 

Edited Tuesday at 01:11 AM by spacesailor

[facthunter]

Are you confusing Mitsubishi with Kawasaki?  Reduction gearboxes are NOT simple. With a largish Prop you have  a GEARED Flywheel. Like coupled crankshafts  Generally a BAD idea. LONG crankshafts? Bad for torsional Vibration. Likely to have a few "Never use" RPM settings.  Nev

[BrendAn]

8 minutes ago, facthunter said:

Are you confusing Mitsubishi with Kawasaki?  Reduction gearboxes are NOT simple. With a largish Prop you have  a GEARED Flywheel. Like coupled crankshafts  Generally a BAD idea. LONG crankshafts? Bad for torsional Vibration. Likely to have a few "Never use" RPM settings.  Nev

Look up Kawasaki. They have produced a lot of fw military aircraft from WW2 onwards and don't forget Kawasaki helicopters.

The standard engine on a lot of ultralights years ago was the Kawasaki 440 with belt drive reduction.

 

 

 

[pmccarthy]

The old Kwaka triple two-stroke used to put out some power when it hit its rev band.

[facthunter]

V belts are not going to work in this sort of stuff.  You ignore the Main Point of my post. The first sentence was simple enough. Yes or No.  it was also general. Nev

[BrendAn]

4 minutes ago, facthunter said:

V belts are not going to work in this sort of stuff.  You ignore the Main Point of my post. The first sentence was simple enough. Yes or No.  it was also general. Nev

No. I am not confusing Mitsubishi and Kawasaki.  Did I say they would use belts.  Maybe Kawasaki should get in touch , you could advise them on what they should do 😁

[pmccarthy]

Ki61 - that'll do.