Today's Message Index:
----------------------
1. 09:12 AM - Three bladed props for 500 (Curtis Perry)
2. 10:28 AM - Re: Three bladed props for 500 (Barry Collman)
3. 08:43 PM - Mogas in the 500 (Kevin Coons)
4. 08:56 PM - Re: Three bladed props for 500 (CloudCraft@aol.com)
Message 1
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| Subject: | Three bladed props for 500 |
--> Commander-List message posted by: Curtis Perry <cperry@subictel.com>
I think I see in the photo gallery pictures of Twin Commander 500s with
three bladed props. I've contacted both Hartzell and MaCauley and both
have said they don't have a three bladed prop for the O 540 A2B engines
on the 500. Can anyone tell me if there is a three bladed conversion
which has been used?
Curtis Perry
Message 2
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| Subject: | Re: Three bladed props for 500 |
--> Commander-List message posted by: "Barry Collman" <barry.collman@air-britain.co.uk>
Hi Curtis,
Any Commander "500" with a three-blade prop is undoubtedly not a straight Model
500.
It could be, but as far as I know there are only a few which have had
three-blade props installed, as a modification:
s/n 618 had Hartzell HC-A3VK-2B/V7636D-4 props and Kensair Corporation, of
Broomfield, Colorado, evidently gained STC number SA1547WE for such a
modification.
s/n 639 also had Hartzell HC-A3VK-2B/V7636D props and Riley Aeronautics
subsequently gained STC number SA257CE for such a modification.
s/n 740 also had Hartzell HC-A3VK-2B/V7636D props under STC number SA1735SO.
There are also several other Models in the "500" range, namely the 500A, 500B,
500U and 500S.
The 500A normally has 2-blade props, but with the Colemill "Super 300"
modification, three-blade props are installed on Continental IO-520-E engines,
which replace the standard Continental IO-470-M engines.
The other three Models all use Lycoming IO-540 series engines
(-B1A5, -B1C5, -E1A5, or -E1B5) with 3-blade props.
The straight 500 Model has the deep "Bathtub" nacelles, whereas the others have
the "Speedline" nacelles, which are a lot slimmer in profile.
There is not much to choose between the 500B, 500U and 500S performance-wise,
but the last two were Certificated in both the Standard & Utility categories
CofA.
Hope this helps!
Barry Collman
UK "CommanderLand" Rep.)
----- Original Message -----
From: "Curtis Perry" <cperry@subictel.com>
<commander-list@matronics.com>
Subject: Commander-List: Three bladed props for 500
| --> Commander-List message posted by: Curtis Perry <cperry@subictel.com>
|
| I think I see in the photo gallery pictures of Twin Commander 500s with
| three bladed props. I've contacted both Hartzell and MaCauley and both
| have said they don't have a three bladed prop for the O 540 A2B engines
| on the 500. Can anyone tell me if there is a three bladed conversion
| which has been used?
|
| Curtis Perry
|
|
|
|
|
|
|
Message 3
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| Subject: | Mogas in the 500 |
--> Commander-List message posted by: "Kevin Coons" <kevincoons@cavucompanies.net>
Listers,
Hello this past week there has been great debate regarding the pros and cons
about flying mogas in the straight 500. Kindly, refer to
www.aerocommander.com and review the model specific information which Dan
Dominguez and Chris Wall crafted from Aero Commander aircraft flight manuals
and Pilot Handbooks. The fuel octane states 91/96 while other 500 series
aircraft require 100/130 octane fuel. I hope this helps.
Kevin Coons
-----Original Message-----
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of Barry
Collman
Subject: Re: Commander-List: Three bladed props for 500
--> Commander-List message posted by: "Barry Collman"
<barry.collman@air-britain.co.uk>
Hi Curtis,
Any Commander "500" with a three-blade prop is undoubtedly not a straight
Model
500.
It could be, but as far as I know there are only a few which have had
three-blade props installed, as a modification:
s/n 618 had Hartzell HC-A3VK-2B/V7636D-4 props and Kensair Corporation, of
Broomfield, Colorado, evidently gained STC number SA1547WE for such a
modification.
s/n 639 also had Hartzell HC-A3VK-2B/V7636D props and Riley Aeronautics
subsequently gained STC number SA257CE for such a modification.
s/n 740 also had Hartzell HC-A3VK-2B/V7636D props under STC number
SA1735SO.
There are also several other Models in the "500" range, namely the 500A,
500B,
500U and 500S.
The 500A normally has 2-blade props, but with the Colemill "Super 300"
modification, three-blade props are installed on Continental IO-520-E
engines,
which replace the standard Continental IO-470-M engines.
The other three Models all use Lycoming IO-540 series engines
(-B1A5, -B1C5, -E1A5, or -E1B5) with 3-blade props.
The straight 500 Model has the deep "Bathtub" nacelles, whereas the others
have
the "Speedline" nacelles, which are a lot slimmer in profile.
There is not much to choose between the 500B, 500U and 500S
performance-wise,
but the last two were Certificated in both the Standard & Utility categories
CofA.
Hope this helps!
Barry Collman
UK "CommanderLand" Rep.)
----- Original Message -----
From: "Curtis Perry" <cperry@subictel.com>
<commander-list@matronics.com>
Subject: Commander-List: Three bladed props for 500
| --> Commander-List message posted by: Curtis Perry <cperry@subictel.com>
|
| I think I see in the photo gallery pictures of Twin Commander 500s with
| three bladed props. I've contacted both Hartzell and MaCauley and both
| have said they don't have a three bladed prop for the O 540 A2B engines
| on the 500. Can anyone tell me if there is a three bladed conversion
| which has been used?
|
| Curtis Perry
|
|
|
|
|
|
|
Message 4
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| Subject: | Re: Three bladed props for 500 |
--> Commander-List message posted by: CloudCraft@aol.com
I remember Gary Gadberry of Air Center doing one of his "Shrike Conversions"
on an AC-500.
He showed a slide at the Nashville Twin Commander meeting back in 1997 or so
and I had trouble identifying the airplane due to the Shrike nose, winglettes,
square rudder cap, 3 blade prop .... and bathtub nacelles
I could be mistaken, but I do think this was the case. Give Gary Gadberry a
call.
Wing Commander Gordon
Life is not simple anywhere. Probably less so elsewhere.
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