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Author Topic: North American Eagle  (Read 69593 times)
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ski123
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« Reply #180 on: November 04, 2017, 04:28:51 PM »

There is a good article on the NAE and Ed on www.hemmings.com
I'm not sure why these things never get posted here, facebook or their site?
Anybody got any insight?    Diamond valley in Feb?   Go Fast USA!
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martine
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« Reply #181 on: November 04, 2017, 07:23:07 PM »

According to the FIA rules, you cannot use winged surfaces to control the vehicle, otherwise it's considered an airplane. We just cannot run when the wind is blowing.

Eeek...Bloodhound has canards and a tailplane which are adjustable for stability...I assume this is OK?
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Martin - Bloodhound SSC ambassador
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« Reply #182 on: November 04, 2017, 07:36:20 PM »

They can be preset, you just can't fly it on the ground.
  Sid.
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Malcolm UK
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« Reply #183 on: November 05, 2017, 03:17:33 PM »

The Bloodhound team have read and are following the FIA rules, which I have copied below. What is interesting is that D2.3.3.b still allows interpretation, because it does not refer to whether or not the vehicle is in motion when a device is moved!

Apart from the spelling of movable with an e, which may show that the text could have originally been in French and then translated, Category C vehicles can be aerodynamically controlled, which for supersonic and beyond might be a very good safety factor.

D2.3.3 Category C: Special Automobiles.
D2.3.3.a These Records may be subdivided according to the type of engine used (jet, rocket, etc.).
D2.3.3.b The use of moveable aerodynamic devices is permitted.

 
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Malcolm UK, Derby, England.
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« Reply #184 on: November 05, 2017, 04:01:37 PM »

It might get kind of sketchy moving an aerodynamic device at speed.
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bub '07 - 140.293 a/pg   120" crate street mill  
bub '10 - 158.100  sweetooth gear
lta  7/11 -163.389  7/17/11; 3 run avg.-162.450
ohio -    - 185.076 w/#684      
lta 8/14  - 169.xxx. w/sw2           
'16 -- 0 runs ; 0 events -- made a 2 state change in ZIP codes

" it's not as easy as it looks. "
                            - franey  8/2007
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« Reply #185 on: November 05, 2017, 04:29:41 PM »

Don't I recall that some experimental aeroplanes have movable aerodynamic devices? cheers
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Jon E. Wennerberg
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« Reply #186 on: November 05, 2017, 05:04:12 PM »

Don't I recall that some experimental aeroplanes have movable aerodynamic devices? cheers

LOL. grin
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Malcolm UK
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« Reply #187 on: November 06, 2017, 06:57:32 AM »

I am told that most jet fighters, working admittedly in three dimensions without any one fixed surface, use aero trim control to assist pilot 'stick' inputs.
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Malcolm UK, Derby, England.
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« Reply #188 on: November 07, 2017, 09:46:01 AM »

It might get kind of sketchy moving an aerodynamic device at speed.

I put some more thought into this.

The NAE  has numerous computers, microprocessors and sensors. With those controlling any type of adjustments ; any aerodynamic changes should be completely safe.
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bub '07 - 140.293 a/pg   120" crate street mill  
bub '10 - 158.100  sweetooth gear
lta  7/11 -163.389  7/17/11; 3 run avg.-162.450
ohio -    - 185.076 w/#684      
lta 8/14  - 169.xxx. w/sw2           
'16 -- 0 runs ; 0 events -- made a 2 state change in ZIP codes

" it's not as easy as it looks. "
                            - franey  8/2007
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