avatar_Glenn Gilbertson

Gannets galore

Started by Glenn Gilbertson, June 04, 2015, 04:03:53 PM

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Rheged

#15
June 11, 2015, 03:15:27 AM
I have a vague memory that NASA or someone like that used a Gannet for research purposes in the USA.  It might possibly have been to do with propeller testing.  I think that I have seen a picture of a Gannet aviating along with a Learjet alongside.

Questions
1 Is this just a figment of my vague memory, Imagining things
2 Would this count as a civvie Gannet
3 Who cares anyways

Your comments would be welcome, and my apologies if this leads to an attack of the thread drift virus.
"If you can keep your head when all about you
Are losing theirs and blaming it on you....."
It  means that you read  the instruction sheet

Thorvic

#16
June 11, 2015, 04:01:09 AM
Yes  NASA did use a Gannet AEW for propeller testing as it had a long pole fitted to the wing for sensors. It also had civil markings
Project Cancelled SIG Secretary, specialising in post war British RN warships, RN and RAF aircraft projects. Also USN and Russian warships

Rheged

#17
June 11, 2015, 04:15:05 AM
Quote from: Thorvic on June 11, 2015, 04:01:09 AM
Yes  NASA did use a Gannet AEW for propeller testing as it had a long pole fitted to the wing for sensors. It also had civil markings

Thank you!!     It sounds like a refugee from Monty Python,   a Gannet with a pointed stick!!
"If you can keep your head when all about you
Are losing theirs and blaming it on you....."
It  means that you read  the instruction sheet

scooter

#18
June 11, 2015, 04:18:20 AM
Quote from: Thorvic on June 11, 2015, 04:01:09 AM
Yes  NASA did use a Gannet AEW for propeller testing as it had a long pole fitted to the wing for sensors. It also had civil markings
The F-106- 26 December 1956 to 8 August 1988
Gone But Not Forgotten

QuoteOh are you from Wales ?? Do you know a fella named Jonah ?? He used to live in whales for a while.
— Groucho Marx

My dA page: Scooternjng

Mossie

#19
June 11, 2015, 04:28:03 AM
I think she also spent some time with Hamilton Standard for the prop testing that was mentioned?
I don't think it's nice, you laughin'. You see, my mule don't like people laughin'. He gets the crazy idea you're laughin' at him. Now if you apologize, like I know you're going to, I might convince him that you really didn't mean it.

PR19_Kit

#20
June 11, 2015, 02:29:38 PM
Why ever would they use a Gannet? Didn't they have any handy spare turbo-props of their own?  :unsure:
Kit's Rule 1 ) Any aircraft can be improved by fitting longer wings, and/or a longer fuselage
Kit's Rule 2) The backstory can always be changed to suit the model

...and I'm not a closeted 'Take That' fan, I'm a REAL fan! :)

Regards
Kit

Captain Canada

#21
June 11, 2015, 02:32:26 PM
That's a new one to me ! Looks neat. Would love to see one some day...love this aeroplane !

:cheers:
CANADA KICKS arse !!!!

Long Live the Commonwealth !!!
Vive les Canadiens !
Where's my beer ?

Gondor

#22
June 11, 2015, 04:12:07 PM
That would be nice, Gannet AEW3 in the current NASA markings

Gondor
My Ability to Imagine is only exceeded by my Imagined Abilities

Gondor's Modelling Rule Number Three: Everything will fit perfectly untill you apply glue...

I know it's in a book I have around here somewhere....

Mossie

#23
June 12, 2015, 01:33:30 AM
Quote from: PR19_Kit on June 11, 2015, 02:29:38 PM
Why ever would they use a Gannet? Didn't they have any handy spare turbo-props of their own?  :unsure:

I've always assumed it was due to something unique with the contraprop layout or the Double Mamba powerplant.  I know Convair looked at using the Double Mamba to power a subscale proof-of-concept demonstrator for the Pogo, but I think that was well before this Gannet went to NASA.
I don't think it's nice, you laughin'. You see, my mule don't like people laughin'. He gets the crazy idea you're laughin' at him. Now if you apologize, like I know you're going to, I might convince him that you really didn't mean it.

PR19_Kit

#24
June 12, 2015, 02:25:34 AM
Quote from: Mossie on June 12, 2015, 01:33:30 AM
...... but I think that was well before this Gannet went to NASA.

It would have been before the AEW3 even existed.
Kit's Rule 1 ) Any aircraft can be improved by fitting longer wings, and/or a longer fuselage
Kit's Rule 2) The backstory can always be changed to suit the model

...and I'm not a closeted 'Take That' fan, I'm a REAL fan! :)

Regards
Kit

zenrat

#25
June 12, 2015, 03:14:33 AM
Quote from: Mossie on June 12, 2015, 01:33:30 AM
Quote from: PR19_Kit on June 11, 2015, 02:29:38 PM
Why ever would they use a Gannet? Didn't they have any handy spare turbo-props of their own?  :unsure:

I've always assumed it was due to something unique with the contraprop layout or the Double Mamba powerplant.  I know Convair looked at using the Double Mamba to power a subscale proof-of-concept demonstrator for the Pogo, but I think that was well before this Gannet went to NASA.

Was one Mamba connected to one prop and the other Mamba connected to the other prop?  And if so would it have been possible to rotate them at different speeds?  Could that be why they used a Gannet?
Fred

- Can't be bothered to do the proper research and get it right.

Another ill conceived, lazily thought out, crudely executed and badly painted piece of half arsed what-if modelling muppetry from zenrat industries.

zenrat industries:  We're everywhere...for your convenience..

PR19_Kit

#26
June 12, 2015, 09:53:24 AM
Quote from: zenrat on June 12, 2015, 03:14:33 AM

Was one Mamba connected to one prop and the other Mamba connected to the other prop?  And if so would it have been possible to rotate them at different speeds?  Could that be why they used a Gannet?


Yes, all Gannets were like that.

Shutting down one engine and feathering the prop to extend the cruise duration was SOP in the Fleet Air Arm.

I'm pretty sure that the only US 'double engine' like that, the T-40, had both engines geared together even when connected to a contra-prop, as in the XFY-1 Pogo etc.
Kit's Rule 1 ) Any aircraft can be improved by fitting longer wings, and/or a longer fuselage
Kit's Rule 2) The backstory can always be changed to suit the model

...and I'm not a closeted 'Take That' fan, I'm a REAL fan! :)

Regards
Kit

zenrat

#27
June 13, 2015, 06:40:02 AM Last Edit: June 13, 2015, 07:32:12 PM by zenrat
According to this website Gannet AEW.3 XL482 was refurbished in 1982 before being used by Hamilton Standard in the USA during 1983 for propeller vibratory stress trials.
I take "vibratory stress trials" to mean inducing vibration in the propeller to see what happens.  In which case, if the worst happened it would be useful to be able to shut down the engine running the test prop and still have the other to get home on.
Fred

- Can't be bothered to do the proper research and get it right.

Another ill conceived, lazily thought out, crudely executed and badly painted piece of half arsed what-if modelling muppetry from zenrat industries.

zenrat industries:  We're everywhere...for your convenience..

scooter

#28
June 13, 2015, 07:33:30 AM
Quote from: zenrat on June 13, 2015, 06:40:02 AM
According to thi website Gannet AEW.3 XL482 was refurbished in 1982 before being used by Hamilton Standard in the USA during 1983 for propeller vibratory stress trials.
I take "vibratory stress trials" to mean inducing vibration in the propeller to see what happens.  In which case, if the worst happened it would be useful to be able to shut down the engine running the test prop and still have the other to get home on.


Plus, since its a contraprop, you don't have to worry about asymmetrical thrust or prop-induced vibration in a wing and nacelle motor mount
The F-106- 26 December 1956 to 8 August 1988
Gone But Not Forgotten

QuoteOh are you from Wales ?? Do you know a fella named Jonah ?? He used to live in whales for a while.
— Groucho Marx

My dA page: Scooternjng

Captain Canada

#29
June 13, 2015, 08:15:25 AM
Great link....lots of info there. Glad I have finally seen how the engines are positioned I has no idea !

:cheers:
CANADA KICKS arse !!!!

Long Live the Commonwealth !!!
Vive les Canadiens !
Where's my beer ?
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