MK-I MK-II MK-III MK-IV GULF MIRAGE J-CAR LOLA
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01-06-07, 08:24 PM
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 #1 (permalink)
| | p thompson Administrator 
Join Date: Aug 2002 Location: Milland, West S GT40: None
Posts: 2,150
| Yikes!! that's gotta hurt!
Came across this on YouTube..
OUch - looks like a fuselage/control surface failed...  YouTube - Ultimate RC jet crash !
+ what was it? - Mirage??
__________________ regards
Paul Thompson
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Too Many Hobbies  - Too Little Time  | 
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01-06-07, 09:15 PM
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#2 (permalink)
| | Keith1 10 tenths 
Join Date: Mar 2004 Location: England GT40: Nein
Posts: 1,911
Rep Power: 26  | Re: Yikes!! that's gotta hurt!
Ouch is right!
Canards, so Mirage possibly or Viggen.
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Yours Sincerely, Keith Hardy | |
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01-06-07, 10:39 PM
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#3 (permalink)
| | 5 Tenths 
Join Date: Feb 2004 GT40: So Cal
Posts: 547
Rep Power: 10 | Re: Yikes!! that's gotta hurt!
flutter... | |
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01-07-07, 05:51 AM
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#4 (permalink)
| | wolodymyr Bronze Supporter
Join Date: Jan 2004 Location: Scotland GT40: DAX40
Posts: 465
Rep Power: 9 | Re: Yikes!! that's gotta hurt!
Right SpyderMike, in the slomo shots you can see the wings flutter and debris being shed as the plane begins its downward plunge. Similar effect to that which brings bridges down, ie vortex shedding in a strong wind reinforcing resonant vibration. In the case of a plane, there are two main elements, 1 the torsional flexibility (natural frequency in torsion) of the wing, and 2 the position of the wing c of g and centre of lift with respect to the axis of the torsion. For complete stability the c of g and c of l need to be behind the axis of torsion. Strange to think that a little more weight along the trailing edge could have prevented this.
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DAX 302 Installing Alloy Rad | |
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01-07-07, 11:20 AM
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#5 (permalink)
| | IanAnderson Gold Supporter
Join Date: Nov 2003 Location: Heathrow, London, UK GT40: Dax 40 Mk1 (Rover3.9EFi)
Posts: 1,315
Rep Power: 18 | Re: Yikes!! that's gotta hurt!
I saw a very similar thing happen when a Pylpn racer was practicing.
He forgot to take the clip that confirmed which frequency he was on - someone else arrived and took the clip, turned on his radio and did "on ground" checks of all controls that scrampled the signal to the flying plane.
The end result was the same!
Ian
__________________
Purchased a pile of bits said to be a DAX40,
Got it on the Road June 2006 (Thanks Paul)
Still tweaking EFi and getting used to driving with a grin on my face! | |
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01-07-07, 11:49 AM
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#6 (permalink)
| | Scott Calabro Supporting Vendor
Join Date: Oct 2006 Location: New England GT40: TS40 # 875
Posts: 818
Rep Power: 11 | Re: Yikes!! that's gotta hurt!
Its AMAZING the things "EXPERTS" and general public will come up with when aviation is concerned.....I've been a Jet Mechanic for 24 years and am continually amused by what people think about the cause of aircraft accidents are .... who cares why that model plane experienced an in flight failure of some sort ... the crash was COOL !!!!  | |
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01-07-07, 01:33 PM
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#7 (permalink)
| | llarsen Admin
Join Date: Jun 2003 Location: Raleigh, NC GT40: Sabre
Posts: 2,073
Rep Power: 29 | Re: Yikes!! that's gotta hurt!
I guess it's a chicken and egg thing: who knows if a failure caused the flutter or the the flutter caused the failure. But, there is no doubt that flutter was involved as seen in the slow-mo at the end.
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Sabre GT40/5L EFI/G50/50
Always verify parts or products discussed for your own use. | |
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01-07-07, 01:53 PM
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#8 (permalink)
| | David Morton Lifetime Premier Supporter
Join Date: Nov 2002 Location: Marlow, England GT40: The Jewel on th
Posts: 2,535
| Re: Yikes!! that's gotta hurt!
Looked like a bomb as it impacted the trees. Not nice really and certainly not COOL. | |
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01-07-07, 02:48 PM
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#9 (permalink)
| | Graham B Rookie
Join Date: Oct 2006 Location: UK, Gloucestershire GT40: Matchbox special
Posts: 16
Rep Power: 2 |  Re: Yikes!! that's gotta hurt!
Come on! it says its a remote control viggen in the video notes. Nobody got hurt apart from a bank account so it was a cool crash!
Graham | |
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01-07-07, 03:04 PM
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#10 (permalink)
| | 5 Tenths
Join Date: Feb 2004 GT40: So Cal
Posts: 547
Rep Power: 10 | Re: Yikes!! that's gotta hurt!
all rc aircraft should be banned from flying around humans or property.
that is the general reaction when a plane goes down anyway... | |
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01-09-07, 08:49 AM
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#11 (permalink)
| | Scott Calabro Supporting Vendor
Join Date: Oct 2006 Location: New England GT40: TS40 # 875
Posts: 818
Rep Power: 11 | Re: Yikes!! that's gotta hurt!
Lighten up Dave !!!
S | |
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