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 Post subject: Re: Mitsubishi MU-2
PostPosted: 29 May 2023, 22:08 
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Joined: 09/11/09
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Location: Tulsa, Ok
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Username Protected wrote:
The MU-2 will follow the Lear 23 which is banned at most airports.



BS. The MU2 is only banned where greenie nuts want to control your lives. Its a wonderful aircraft that is still very efficient and better built than most American airplanes of its vintage. The Lear 23 wasn't so much banned as it was dropped because of its inherent fuel ineffeciency.


See also: it converted fuel to noise at a totally inefficient ratio......... :lol:

Sorry, Mark, I had to. I loved flying the 20 series, though I never got typed.
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 Post subject: Re: Mitsubishi MU-2
PostPosted: 29 May 2023, 23:50 
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Joined: 08/09/11
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Company: Naples Jet Center
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Username Protected wrote:
The MU-2 will follow the Lear 23 which is banned at most airports.


Ooookay. So the most fuel efficient power plant in aviation should be banned. Says someone with real power and influence at airports and on a pilot group. Yep. We’re doomed. I get it now.


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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 00:05 
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Joined: 03/23/08
Posts: 6908
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Company: AssuredPartners Aerospace Phx.
Location: KDVT, 46U
Aircraft: IAR823, LrJet, 240Z
I still remember Vince Granatelli’s Lear rocking out of KDVT. You could hear that thing for many minutes after takeoff. Cj610 I think?

Mu is quiet at 100%

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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 00:37 
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Joined: 02/09/09
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Location: Owosso, MI (KRNP)
Aircraft: 1969 Bonanza V35A
Username Protected wrote:
The MU-2 will follow the Lear 23 which is banned at most airports.


The MU-2 is quieter than a Bonanza once it’s wheels leave the pavement.


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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 01:02 
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Joined: 01/24/10
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Location: Concord , CA (KCCR)
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The problem has nothing to do with fuel efficiency or when these planes are in the air.
It’s the ear splitting noise when they taxi down Hangar rows between buildings.

All the Cirrus types don’t like the racket. Me personally, I could care less.


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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 01:59 
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Joined: 06/07/19
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I can't tell which is worse, pilots complaining about airplane noise at an airport, or master leaseholders kowtowing to such complaints instead of retorting with TPE331 volumes of laughter..


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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 12:10 
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Joined: 12/17/13
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Location: Hollywood, Los Angeles, CA
Aircraft: Turbo Commander 680V
My hangar is right by the run up for the most used rwy at KEMT. And it's a major flight school training airport. I swore I'd never complain about aircraft noise, and I haven't. But I have to say I do get tested some days - there have been days when I've quite loudly cursed the 27366564th student pilot in a row for doing excessive and long full power run ups... ;)

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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 12:32 
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Joined: 11/30/12
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Location: Santa Fe, NM (KSAF)
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Stop by Exile Aviation in Alamogordo, NM. You can get a free t-shirt that says "WE ❤️ AIRPLANE NOISE."

If you are the rulemaker and don't care about Garrett noise, why would you make a rule that bans Garretts?

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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 12:38 
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Joined: 08/05/16
Posts: 3097
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Company: Tack Mobile
Location: KBJC
Aircraft: C441
Username Protected wrote:
The problem has nothing to do with fuel efficiency or when these planes are in the air.
It’s the ear splitting noise when they taxi down Hangar rows between buildings.

All the Cirrus types don’t like the racket. Me personally, I could care less.


Say what? A pilot complaining about airplane noise on a taxiway? This is one of the more ridiculous things I’ve heard on Beechtalk.

We have a few 70 year old jet trainers hat are very fun to watch at our airport. Should we ban them? They’re even louder.

I can just see captain Karen running around an airport with a decibel meter and writing letters.


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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 13:46 
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Joined: 01/24/10
Posts: 6730
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Location: Concord , CA (KCCR)
Aircraft: 1967 Baron B55
Username Protected wrote:
The problem has nothing to do with fuel efficiency or when these planes are in the air.
It’s the ear splitting noise when they taxi down Hangar rows between buildings.

All the Cirrus types don’t like the racket. Me personally, I could care less.


Say what? A pilot complaining about airplane noise on a taxiway? This is one of the more ridiculous things I’ve heard on Beechtalk.

We have a few 70 year old jet trainers hat are very fun to watch at our airport. Should we ban them? They’re even louder.

I can just see captain Karen running around an airport with a decibel meter and writing letters.


John , go back and read again, nobody said anything about taxiways?

It’s the ear splitting, piercing noise that MU-2’s and some Garrett’s make between hangar rows that bother the tenants.

I like 441’s and used to fly one years ago. Unfortunately some left leaning environmentalists that are Pilots complain about the noise.

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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 14:04 
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Joined: 08/05/16
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Company: Tack Mobile
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Aircraft: C441
Username Protected wrote:

Say what? A pilot complaining about airplane noise on a taxiway? This is one of the more ridiculous things I’ve heard on Beechtalk.

We have a few 70 year old jet trainers hat are very fun to watch at our airport. Should we ban them? They’re even louder.

I can just see captain Karen running around an airport with a decibel meter and writing letters.


John , go back and read again, nobody said anything about taxiways?

It’s the ear splitting, piercing noise that MU-2’s and some Garrett’s make between hangar rows that bother the tenants.

I like 441’s and used to fly one years ago. Unfortunately some left leaning environmentalists that are Pilots complain about the noise.


What would you call the pavement between a hangar row? Semantic difference. And what does political affiliation have to do with anything?

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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 14:53 
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Joined: 01/24/10
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Location: Concord , CA (KCCR)
Aircraft: 1967 Baron B55
Taxi lanes are between hangars on a non movement ramp area.
Taxiways are usually away from hangars and used to get to the runway.


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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 16:06 
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Joined: 10/18/11
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Aircraft: Seabee Aerostar 700
a friend of mine has a Merlin with
Garrett engines that are geared down more so the props operate a lower RPM and it is much quieter on the ramp. perhaps those could be retrofitted to make the mu2 quieter.?


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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 16:11 
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Joined: 11/08/12
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Username Protected wrote:
a friend of mine has a Merlin with
Garrett engines that are geared down more so the props operate a lower RPM and it is much quieter on the ramp. perhaps those could be retrofitted to make the mu2 quieter.?

It’s not the props that are loud on the ramp, it is the compressor that is exposed right near the front of the engine intake.

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 Post subject: Re: Mitsubishi MU-2
PostPosted: 30 May 2023, 17:05 
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Joined: 03/23/08
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Location: KDVT, 46U
Aircraft: IAR823, LrJet, 240Z
As Jon said it is the inlet area.
The Merlin is a "slow turn" prop I think so it is geared down more.
But I believe the Condition Low Idle is actually higher.

If you taxi at 100% RPM it isn't so noisy.

I just try to be careful where I am pointing them.

One of my very early Mu2 trips into Vernal Utah the line kid with a giant belt buckle was marshalling us to parking without hearing protection and I could tell he was just trying to grunt through it haha.

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