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Author Topic: Aero Top Speed  (Read 20334 times)

Mr Linear

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Aero Top Speed
« on: 15 January 2013, 11:46:06 PM »
Is the Aero electronically limited?

If not, what is the top speed?

Mr L    ???
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wrighar

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Re: Aero Top Speed
« Reply #1 on: 16 January 2013, 12:27:01 AM »
Yes, electronic limited to 155mph.
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Steve440

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Re: Aero Top Speed
« Reply #2 on: 16 January 2013, 07:39:22 AM »
The speedo will show you are going faster than that , mine was showing over 160mph. The Satnav showed it was a genuine 155mph though.

The turbo boost drops off at the max speed. I did it in mine down a hill on a German Autobahn, it felt like it could keep going but the boost keeps dropping off.

It was very stable it just smelt hot afterwards.

I had my 9000 Aero on a rolling road once, that went to 164mph before it reached the rev limiter. Standard car and 25bhp less so I am sure a 9-5 could easily match it.

Steve
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phoenix

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Re: Aero Top Speed
« Reply #3 on: 16 January 2013, 08:30:54 AM »
Quote from: Steve440 on 16 January 2013, 07:39:22 AM
The speedo will show you are going faster than that , mine was showing over 160mph. The Satnav showed it was a genuine 155mph though.

The turbo boost drops off at the max speed. I did it in mine down a hill on a German Autobahn, it felt like it could keep going but the boost keeps dropping off.

It was very stable it just smelt hot afterwards.

I had my 9000 Aero on a rolling road once, that went to 164mph before it reached the rev limiter. Standard car and 25bhp less so I am sure a 9-5 could easily match it.

Steve

A rolling road doesn't offer the same resistance as driving a car on the road- much less in fact. And the engine's peak power is lower than max revs

A manual 9-5 Aero has a speed of 26.7mph/1000rpm. 155mph would therefore be 5800rpm. The Aero engine's peak output power is ~5300rpm and drops thereafter.

It's difficult to calculate the HP for the top speed as although the Cd is known (0.29), the frontal area is a guess. Using online calculators I've estimated the power required to do 155mph to be just over 200hp. Top speed (at 6000rpm) would probably be a smidge over 160mph.
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sgould

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Re: Aero Top Speed
« Reply #4 on: 16 January 2013, 09:11:48 AM »
My Hirsched Aero is supposed to do 160 mph.  I haven't got much over 140 mph on the autobahn because something has got in the way.  SWMBO has got to 148 mph.  That was when the speed warning pinged at her.  I'd reset the speed warning to "something high" while sitting in the car in the Channel Tunnel.
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Norfolk Jim

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Re: Aero Top Speed
« Reply #5 on: 06 April 2006, 01:22:37 PM »
I had my Abbott aero 9-5 up to 156 on autobahn and it felt like it would go further but like Will things kept getting in the way.
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nine-fiver

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Re: Aero Top Speed
« Reply #6 on: 21 January 2013, 08:21:22 AM »
Heck...my speed warning goes off at 128.
Km/h.....
You guys get to do 200+?
You are very privileged.

Envy does not describe it.
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Norfolk Jim

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Re: Aero Top Speed
« Reply #7 on: 21 January 2013, 09:34:55 AM »
Adjust your speed warning....................................
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Geoff1951

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Re: Aero Top Speed
« Reply #8 on: 21 January 2013, 10:50:31 AM »
Quote from: Norfolk Jim on 21 January 2013, 09:34:55 AM
Adjust your speed warning....................................

I always rely on a blue light that appears in my mirror.


(Not really.)
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nine-fiver

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Re: Aero Top Speed
« Reply #9 on: 21 January 2013, 11:36:49 AM »
The road from Alice Springs to Darwin had no speed limit on it, until recently. So now there are no roads in Aus where it is legal to go over 110km/h.

Mind you, hitting a 'roo in the outback at 100 writes-off the car in a big way, and will land you in a right mess. Particularly when it ends up in the car.
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collywobble

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Re: Aero Top Speed
« Reply #10 on: 21 January 2013, 02:28:13 PM »
Quote from: nine-fiver on 21 January 2013, 11:36:49 AM
Mind you, hitting a 'roo in the outback at 100 writes-off the car in a big way, and will land you in a right mess. Particularly when it ends up in the car.

Must be very similar to having a red deer leap out on you on Exmoor! I had a roe deer commit suicide by running across the road in front of my Astra a couple of years ago. The girl at the insurance company when I phoned to make a claim said did I have details of the other party! Must just read the script!
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Geoff1951

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Re: Aero Top Speed
« Reply #11 on: 21 January 2013, 03:07:58 PM »


You and me both, collywobble!This is what happened when I hit a stag at 60 mph one night in Warwickshire back in 2004. New wing, new bonnet, new bumper, new grille, new lamps, new trousers. The photo doesn't do it justice.
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Norfolk Jim

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Re: Aero Top Speed
« Reply #12 on: 22 January 2013, 08:45:33 AM »
When I was at school on Sandringham estate one of our teachers was late in and when she arrived she was on foot???? This puzzled us 5th years so why?

Later we found she had hit a deer coming through the woods and that her car was stuck. The deer had bounced off the bonnet of her Vauxhall Viva and was wedged dead as a door post through her windscreen! Real mess and she was lucky it didn't have its full head of antlers...........................
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David

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Re: Aero Top Speed
« Reply #13 on: 22 January 2013, 12:10:33 PM »
As we know SAABs are built to survive a Moose, which is much bigger than any deer. Though even a deer can leave a mess.

Please be warned, not for the squeamish

http://www.cartype.com/pages/324/oh_deer

« Last Edit: 22 January 2013, 12:26:08 PM by David »
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CitTone

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Re: Aero Top Speed
« Reply #14 on: 22 January 2013, 01:37:01 PM »
On a motorbike, even a pigeon hurts.  Luckily the frame took a lot of the impact but it stung my knee something chronic and I was picking feathers out of the engine fins for weeks.

Had it been at head-height, I shudder to think....
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Nobody likes a smartarse - until they need one.
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