Bar Fin
Posted November 16, 2007
By admin

What does that bar with fins at the end do on a helicopter.?
im talkin about the one thats connected to the main big blades on top of the helicopter.
The short answer is; it prevents the helicopter from spinning. The long answer is quite long and probably more than you are interested in at this point.
I did some aircraft accident investigation in one of my jobs and we had to know how an aircraft operated to make any attempt at explaining why it crashed.
Oh yeah, there is a site on the web that explains how things work. Try the site listed below. If you still don't understand, contact me through my profile, send your email address and I will try to explain all the whys of the tail rotor to you.
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GOLD TUNE O MATIC LP GUITAR BRIDGE AND POSTS NEW | US $16.68 | 18m |
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LP PICKGUARD BRACKET ELECTRIC GUITAR CHROME NEW | US $6.94 | 51m |
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NEW ELECTRIC GUITAR TREMOLO ARM WHAMMY BAR SIL BLK GOLD | US $9.63 | 56m |
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NEW FRET SET FOR ELECTRIC GUITAR FRET WIRE FRETWIRE | US $13.10 | 1h 11m |
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8 ELECTRIC BASS GUITAR PICKUP SCREWS 36MM NICKEL | US $5.61 | 1h 18m |
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VINTAGE GREEN GLASS TWISTED FISH SHAPED DECANTOR WITH GLASS FIN STOPPER | US $28.00 | 1h 18m |
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Double Fish Lapel or Scarf Pin | US $4.99 | 1h 22m |
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World Famous Auto Peugeot Advertisement 1925 La 18 Ch | US $12.00 | 1h 28m |
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VINTAGE PIN BROOCH DOLPHIN FISH MAMMAL OCEAN PORPOISE SEA FINS FLIPPER VL AM | US $3.99 | 1h 34m |
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RMS TITANIC 1oz Bar of 24Kt Gold Ingot History 100th Anniversary Pure Retro UK | US $8.69 | 1h 41m |
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Boats Beaches Bars Ballads Box] by Jimmy Buffett CD May 1992 4 Discs | US $22.50 | 1h 49m |
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Lexus LX BEAUTIFUL 2009 LEXUS LX570 LOADED WITH OPTIONS WARRANTY | US $30,700.00 | 1h 53m |
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1980 Original Photo Spain Madrid Perico Chicote International Museum of Drinks | US $14.00 | 1h 54m |
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PIN BROOCH SWORDFISH OCEAN SEA SHARK MARLIN TUNA FINS FISH DOLPHINS WHALE VL AM | US $1.29 | 2h |
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PICK HOLDER GUITAR STRINGS WINDER 10 PLECTRUMS PICKS | US $6.94 | 2h 2m |
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Original Poster Spain Mario Vargas Llosa La Senorita de Tacna Picture Women 1981 | US $59.00 | 2h 7m |
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NEW ELECTRIC BASS GUITAR METAL KNURLED KNOB GOLD | US $6.47 | 2h 20m |
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McAfee M 2750 Network Security Platform | US $4,999.99 | 2h 20m |
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Mazon Creek Fossils Tully Monster Tullimonstrum gregarium with Display Case | US $274.99 | 2h 33m |
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8 WALL HANGING TROPICAL FISH BATH NAUTICAL DECOR ISLAND DECOR TIKI BAR | US $5.98 | 2h 36m |
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Kiteboarding complete kit | US $1,650.00 | 2h 40m |
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Audio Adapter with 35mm Female Input Stereo for Samsung Messager Touch R630 | US $6.19 | 3h 1m |
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NEW BUD LIGHT LIME SURFBOARD w Fins Beer Tiki Bar Sign | US $99.00 | 3h 5m |
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31x1175x3 DELTA FIN ALUMINUM FRONT MOUNT INTERCOOLER FMIC TURBO BOOST PSI | US $99.99 | 3h 8m |
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SCUBA DIVING FLAG Wall Clock diver dive fins mask tusa | US $14.99 | 3h 23m |
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1949 Plymouth Grille INTERNATIONAL PARTS EXPORT | US $65.00 | 3h 35m |
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Cloud Force R C Helicopter | US $25.00 | 3h 56m |
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SCUBA DIVER Wall Clock diver dive fins mask gift | US $14.99 | 4h 3m |
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Karaoke Player Machine with 4000 Spanish Music Pack 1 Free Microphone | US $149.99 | 4h 12m |
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BARPLATE TWIN TURBO ALUMINUM HUGE FRONT MOUNT INTERCOOLER TURBOCHARGER BOOST | US $131.99 | 4h 35m |
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SALTWATER FISHING LURE RIGGED BALLYHOOBILLFISHDOLPHIN | US $3.25 | 5h 4m |
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SBC SMALL BLOCK CHEVY TWIN T3 T04E TURBO CHARGER KIT MANIFOLD TURBOCHARGER PSI | US $1,210.00 | 5h 41m |
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Traxxas Slash 2wd SVT Raptor Ford roller chassis body RPM Upgrades 5806 F 150 | US $90.00 | 5h 53m |
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Harley Davidson Other HARLEY DAVIDSON 1941 FL KNUCKLEHEAD KNUCKLE | US $18,100.00 | 5h 59m |
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Finnegans Week by Joseph Wambaugh 1993 First Edition First Printing | US $.45 | 6h 14m |
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COUNTRY KARAOKE GOLD 11 CDG MUSIC SET FREE CASE 182 SONGS TODAYS MALE ARTISTS | US $49.99 | 6h 28m |
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Honda CR 125 250 500 CR250 CR500 Front Plate Panel | US $9.99 | 6h 49m |
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ECHO CS 400 Chainsaw COMMERCIAL GRADE Outdoor Power Equipment BRAND NEW | US $160.00 | 6h 51m |
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Comme Un Boomerang Georges Delerue OUT OF PRINT NEW | US $49.99 | 6h 54m |
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Ford Mustang Coupe NO RESERVE 1967 Ford Mustang 428 428cj CJ Cobrajet Cobra Jet 4 Speed Toploader | US $11,100.00 | 7h 10m |
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GOLD TUNE O MATIC LP GUITAR BRIDGE AND POSTS NEW | US $16.68 | 18m |
![]() |
LP PICKGUARD BRACKET ELECTRIC GUITAR CHROME NEW | US $6.94 | 51m |
![]() |
NEW ELECTRIC GUITAR TREMOLO ARM WHAMMY BAR SIL BLK GOLD | US $9.63 | 56m |
![]() |
NEW FRET SET FOR ELECTRIC GUITAR FRET WIRE FRETWIRE | US $13.10 | 1h 11m |
![]() |
8 ELECTRIC BASS GUITAR PICKUP SCREWS 36MM NICKEL | US $5.61 | 1h 18m |
![]() |
VINTAGE GREEN GLASS TWISTED FISH SHAPED DECANTOR WITH GLASS FIN STOPPER | US $28.00 | 1h 18m |
![]() |
Double Fish Lapel or Scarf Pin | US $4.99 | 1h 22m |
![]() |
World Famous Auto Peugeot Advertisement 1925 La 18 Ch | US $12.00 | 1h 28m |
![]() |
VINTAGE PIN BROOCH DOLPHIN FISH MAMMAL OCEAN PORPOISE SEA FINS FLIPPER VL AM | US $3.99 | 1h 34m |
![]() |
RMS TITANIC 1oz Bar of 24Kt Gold Ingot History 100th Anniversary Pure Retro UK | US $8.69 | 1h 41m |
![]() |
Boats Beaches Bars Ballads Box] by Jimmy Buffett CD May 1992 4 Discs | US $22.50 | 1h 49m |
![]() |
Lexus LX BEAUTIFUL 2009 LEXUS LX570 LOADED WITH OPTIONS WARRANTY | US $30,700.00 | 1h 53m |
![]() |
1980 Original Photo Spain Madrid Perico Chicote International Museum of Drinks | US $14.00 | 1h 54m |
![]() |
PIN BROOCH SWORDFISH OCEAN SEA SHARK MARLIN TUNA FINS FISH DOLPHINS WHALE VL AM | US $1.29 | 2h |
![]() |
PICK HOLDER GUITAR STRINGS WINDER 10 PLECTRUMS PICKS | US $6.94 | 2h 2m |
![]() |
Original Poster Spain Mario Vargas Llosa La Senorita de Tacna Picture Women 1981 | US $59.00 | 2h 7m |
![]() |
NEW ELECTRIC BASS GUITAR METAL KNURLED KNOB GOLD | US $6.47 | 2h 20m |
![]() |
McAfee M 2750 Network Security Platform | US $4,999.99 | 2h 20m |
![]() |
Mazon Creek Fossils Tully Monster Tullimonstrum gregarium with Display Case | US $274.99 | 2h 33m |
![]() |
8 WALL HANGING TROPICAL FISH BATH NAUTICAL DECOR ISLAND DECOR TIKI BAR | US $5.98 | 2h 36m |
![]() |
Kiteboarding complete kit | US $1,650.00 | 2h 40m |
![]() |
Audio Adapter with 35mm Female Input Stereo for Samsung Messager Touch R630 | US $6.19 | 3h 1m |
![]() |
NEW BUD LIGHT LIME SURFBOARD w Fins Beer Tiki Bar Sign | US $99.00 | 3h 5m |
![]() |
31x1175x3 DELTA FIN ALUMINUM FRONT MOUNT INTERCOOLER FMIC TURBO BOOST PSI | US $99.99 | 3h 8m |
![]() |
SCUBA DIVING FLAG Wall Clock diver dive fins mask tusa | US $14.99 | 3h 23m |
![]() |
1949 Plymouth Grille INTERNATIONAL PARTS EXPORT | US $65.00 | 3h 35m |
![]() |
Cloud Force R C Helicopter | US $25.00 | 3h 56m |
![]() |
SCUBA DIVER Wall Clock diver dive fins mask gift | US $14.99 | 4h 3m |
![]() |
Karaoke Player Machine with 4000 Spanish Music Pack 1 Free Microphone | US $149.99 | 4h 12m |
![]() |
BARPLATE TWIN TURBO ALUMINUM HUGE FRONT MOUNT INTERCOOLER TURBOCHARGER BOOST | US $131.99 | 4h 35m |
![]() |
SALTWATER FISHING LURE RIGGED BALLYHOOBILLFISHDOLPHIN | US $3.25 | 5h 4m |
![]() |
SBC SMALL BLOCK CHEVY TWIN T3 T04E TURBO CHARGER KIT MANIFOLD TURBOCHARGER PSI | US $1,210.00 | 5h 41m |
![]() |
Traxxas Slash 2wd SVT Raptor Ford roller chassis body RPM Upgrades 5806 F 150 | US $90.00 | 5h 53m |
![]() |
Harley Davidson Other HARLEY DAVIDSON 1941 FL KNUCKLEHEAD KNUCKLE | US $18,100.00 | 5h 59m |
![]() |
Finnegans Week by Joseph Wambaugh 1993 First Edition First Printing | US $.45 | 6h 14m |
![]() |
COUNTRY KARAOKE GOLD 11 CDG MUSIC SET FREE CASE 182 SONGS TODAYS MALE ARTISTS | US $49.99 | 6h 28m |
![]() |
Honda CR 125 250 500 CR250 CR500 Front Plate Panel | US $9.99 | 6h 49m |
![]() |
ECHO CS 400 Chainsaw COMMERCIAL GRADE Outdoor Power Equipment BRAND NEW | US $160.00 | 6h 51m |
![]() |
Comme Un Boomerang Georges Delerue OUT OF PRINT NEW | US $49.99 | 6h 54m |
![]() |
Ford Mustang Coupe NO RESERVE 1967 Ford Mustang 428 428cj CJ Cobrajet Cobra Jet 4 Speed Toploader | US $11,100.00 | 7h 10m |
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I’m curious to find out what blog system you are working with? I’m having some minor security issues with my latest blog and I’d like to find something more risk-free. Do you have any recommendations?