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#1 dmc_dtc

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Posted 24 November 2006 - 19:33

Naravno ovakve vesti same po sebi predstavljaju dobru reklamu i sluze na ponos i vlasnicima obicnih verzija VW Touarega a ne samo onih koji su vlasnici V10 TDi verzije, kojoj je poslo za rukom da povuce Boeing 747 tezak oko 155 tona. Dogadjaj se zbio u Velikoj Britaniji na pisti aerodroma Dunsfold gde je Touareg vukao Boeing oko 150 metara preko specijalnih adaptera. Ono sto je najlepse i na sta su u VW-u posebno ponosni, ovaj Touareg se, osim u promenjenoj zadnjoj osovini preuzetoj sa modela V8, ni u cemu ne razlikuje od serijske varijante, koja iz 5,0 litarskog V10 dizel motora izvlaci 313KS i 750Nm momenta!

izvor: http://auto.blog.co....e&articleId=619 (Klik za slike)

:))))))
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#2 Downforce

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Posted 24 November 2006 - 20:20

Da vidimo sta je to tako spektularno uradio taj Touareg...
Da bi povukao Boeing sve sto je trebao da uradi je da savlada silu otpora kotrljanja Fr=mgf=155000x9.81x0.02=30411N
plus sopstvena sila otpora kotrljanja od Frs=3000(pretpostavljena masa Touarega)x9.81x0.02=588.6N
odnosno ukupno Fru=30411+588.6=30999.6N

Sa druge strane imamo moment na tockovima od nekih 750x4x4=12000Nm gde jedna 4 predstavlja prenosni odnos u menjacu,a druga 4 prenosni odnos u pogonskom mostu(pri cemu je ovaj prvi za terenac veoma mali,jos ako ima reduktor-mizeran).
Da bi dobili silu na tocku pretpostavimo dinamicki poluprecnik tocka od r=0.35m
cime dolazimo do ukupne vucne sile od 12000/0.35=34285.7N u najgorem slucaju.
Dakle to touareg moze da izvede...s tim sto bi se vukao sporije nego traktor...

Tu bi postojao mali problem oko prianjanja Touarega ali nista sto malo puniji Touareg i malo prazniji Boeing+mala nizbrdica ne bi mogli da srede... s_d.gif s_w.gif

Za one koji malo znaju o teoriji kretanja vozila apsolutno nebitan podatak koji nista ne pokazuje,a za one koji ne znaju(kakvih je vecina) cudo nevidjeno...

Pozdrav. smile.gif

Edited by Downforce, 24 November 2006 - 20:21.

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#3 alberto.ascari

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Posted 24 November 2006 - 20:53

QUOTE(Downforce @ 24 Nov 2006, 20:20)
Da vidimo sta je to tako spektularno uradio taj Touareg...
Da bi povukao Boeing sve sto je trebao da uradi je da savlada silu otpora kotrljanja Fr=mgf=155000x9.81x0.02=30411N
plus sopstvena sila otpora kotrljanja od Frs=3000(pretpostavljena masa Touarega)x9.81x0.02=588.6N
odnosno ukupno Fru=30411+588.6=30999.6N

Sa druge strane imamo moment na tockovima od nekih 750x4x4=12000Nm gde jedna 4 predstavlja prenosni odnos u menjacu,a druga 4 prenosni odnos u pogonskom mostu(pri cemu je ovaj prvi za terenac veoma mali,jos ako ima reduktor-mizeran).
Da bi dobili silu na tocku pretpostavimo dinamicki poluprecnik tocka od r=0.35m
cime dolazimo do ukupne vucne sile od 12000/0.35=34285.7N u najgorem slucaju.
Dakle to touareg moze da izvede...s tim sto bi se vukao sporije nego traktor...

Tu bi postojao mali problem oko prianjanja Touarega ali nista sto malo puniji Touareg i malo prazniji Boeing+mala nizbrdica ne bi mogli da srede... s_d.gif  s_w.gif

Za one koji malo znaju o teoriji kretanja vozila apsolutno nebitan podatak koji nista ne pokazuje,a za one koji ne znaju(kakvih je vecina) cudo nevidjeno...

Pozdrav. smile.gif



Bravo, nema šta da se doda.
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#4 dmc_dtc

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Posted 24 November 2006 - 20:56

ALi ipak VRLO VRLO efektna reklama sudeci po publicitetu koji je dobila ova vest !!! wink.gif Svaka cast momcima iz Marketinga VW-a smile.gif
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#5 Mr.Smith

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Posted 25 November 2006 - 15:49

...jedno pozitivno brojanje za downforce thumbsup.gif

evo još malo detalja ...

QUOTE
The vehicle was a standard production Touareg fitted with a special towing adaptor to connect it with the aircraft towing link and loaded with 4.3 tonnes of metal ballast to bring its total weight to just over seven tonnes (7,030 kg) including the driver, an engineer from the technical department at the company’s headquarters in Germany.

The car’s engine, self-levelling air suspension, wheels, tyres and structure were all standard. One precaution that turned out to be unnecessary was the fitment of the 4.56 axle ratio from the Touareg V8 model in place of the 3.27 gearing of the V10. This was established as the demonstration was conducted in the second of the Touareg’s 12 forward gears rather than first. The final modification was to change the outer body panels for photographic purposes so that this example was visually the same as the next generation Touareg which is due to be launched next year.

The attempt was designed to demonstrate the reserves of strength and durability of the Touareg V10 TDI. This model won The Caravan Club Towcar of the Year Awards full-size 4x4 category in 2004 and 2005 and has established itself as the benchmark diesel SUV, offering an extraordinary combination of performance and fuel efficiency since it was launched in 2003.

A theoretical towing capability in excess of 200 tonnes was calculated by multiplying the 553 lbs ft of torque generated by the V10 TDI engine through the standard transmission’s lowest ratio and without taking into account the torque multiplication benefits of the torque converter. This however assumed a dry surface and loading the Touareg’s body and suspension well in excess of its rated limits.

An initial trial was carried out successfully in Germany with an operational Boeing 747-400 weighing 190 tonnes but it subsequently became difficult to obtain an aircraft for the length of time and in an appropriate location to conduct a press demonstration. Colleagues therefore requested Volkswagen UK to obtain a suitable aircraft and location.

The result was an ex-British Airways Boeing 747-200 weighing 155 tonnes. The aircraft, first flown in 1980 and retired last year retains its full complement of 500 seats, 11 toilets and complete landing gear, albeit without an operating braking system. The original engines were removed last year to make way for dummy items used in the filming of a recent motion picture. Despite this, the aircraft still weighs 155 tonnes, due in part to the 28 tonnes of water held on board in the fuel and nose tanks.

The changes to the Touareg are more modest. Modifications extend to the addition of 4,345 kg of ballast in the form of steel plates set behind the front bumper and beneath the engine. The balance of the ballast was made up by bags of steel balls weighing 25 kg each. The result is a split of 2,755 kg over the front axle and 4,275 kg over the rear to bring the total to 7,030 kg which includes Uwe Krieghoff, the nervous driver. He was not prepared to say how much his body contributed to the 7,030 kg total.

Conditions for the attempt were far from perfect. A strong headwind combined with torrential rain and resulting standing water prompted concerns over traction on the wet surface. Despite the scale of the attempt the vehicle needed little preparation. The engine was warmed up before a brief visual inspection of the tyres prior to the attempt being given the green light.

The Touareg’s standard towbar (fitted with an adapted towing bracket) was hooked up to the nose wheel collar of a Boeing 747 and the chocks were removed. At the wheel Uwe selected ‘drive’ and the low ratio, second gear setting on the Touareg’s six-speed gearbox. The required tractive effort is at its highest during the initial pull to overcome the static friction of the aircraft tyres on the runway. Flatspots form on the aircraft’s 18 tyres under the 155 tonnes of weight and additional resistance must be overcome to get the aircraft rolling.

Uwe pressed the accelerator around halfway down in second gear before easing off as the aircraft gained momentum. With no visible loss of traction the Touareg began dragging the 231 ft airframe of the 747 along the runway, maintaining an even five mph in the process. Having covered an estimated 150 metres the driver eased back on the throttle before slowly engaging the Touareg’s brakes to slow both the vehicle and the aircraft to a stop.

After the attempt Uwe commented: ‘I was a bit disappointed we couldn’t find something heavier to tow as it was a bit too easy! If anyone could lend us a heavier aircraft then please let us know.’

The vehicle was checked after the repeated runs and no side effects of the demands made on the engine and transmission could be found. The engine temperature remained normal, as did the transmission and the tyres survived without a hint of the forces passed through them.

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#6 nesha taxista

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Posted 26 November 2006 - 00:25

QUOTE(alberto.ascari @ 24 Nov 2006, 20:53)
Bravo, nema šta da se doda.

Ipak ima. Naime, na vozilo osim otpora kotrljanja deluju još i otpori uspona, vazduha i ubrzanja. Pošto je brzina bila izuzetno mala otpor vazduha je bio zanemarljiv,otpora uspona verovatno nije ni bilo, međutim otpor ubrzanja je sigurno bio ogroman, pa cela operacija uopšte nije bila laka. Prenosni odnosi su morali biti veoma skraćeni, da bi se stvar uopšte mogla pokrenuti. Ali kad se pokrene, onda je pesma...
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#7 Downforce

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Posted 26 November 2006 - 04:18

Skratili su prenosni odnos u glavnom prenosniku(povecali vucnu silu) i nakrkali balast(podigli granicnu silu prianjanja) tako da ubrzanje nije predstavljalo problem .Pored vec izracunate sile otpora kotrljanju ,bilo je jos toliko sile u rezervi za ostale otpore kretanju-u ovom slucaju silu ubrzanja .Iz mesta je mogao da ga pokrene sa nekih 0.1-0.2 m/s^2 bez problema.
Da ne pricamo o tome sto je imao i hidrodinamicki menjac koji je pravio dodatnu redukciju...narocito pri kretanju iz mesta...
A glavu secem ako nije bio i mali pad... rolleyes.gif ...tek da malo olaksa posao...da budu sigurni wink.gif
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#8 AreOut

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Posted 26 November 2006 - 09:20

http://www.guinnessw...ndividual).aspx

Ajd izracunaj za ovoga, downforce biggrin.gif

Ili za ovoga biggrin.gif

 


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#9 Downforce

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Posted 26 November 2006 - 14:34

Za ovog prvog nemam prenosne odnose u menjacu biggrin.gif ...
A za drugog...pa sta da kazem drugo sem da ima mocnu kuku laugh.gif ...
Tek sad Touaregov "podvig" gubi na vaznosti laugh.gif
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#10 nesha taxista

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Posted 28 November 2006 - 08:39

QUOTE(Downforce @ 26 Nov 2006, 04:18)
Skratili su prenosni odnos u glavnom prenosniku(povecali vucnu silu) i nakrkali balast(podigli granicnu silu prianjanja) tako da ubrzanje nije predstavljalo problem .Pored vec izracunate sile otpora kotrljanju ,bilo je jos toliko sile u rezervi za ostale otpore kretanju-u ovom slucaju silu ubrzanja .Iz mesta je mogao da ga pokrene sa nekih 0.1-0.2 m/s^2 bez problema.
Da ne pricamo o tome sto je imao i hidrodinamicki menjac koji je pravio dodatnu redukciju...narocito pri kretanju iz mesta...
A glavu secem ako nije bio i mali pad... rolleyes.gif ...tek da malo olaksa posao...da budu sigurni wink.gif

Ma da, ali prvo rekoste da je u pitanju serijski model
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#11 dmc_dtc

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Posted 29 November 2006 - 17:51

Evo prenosim par noviteta iz nama uvek zanimljivog i poslednjih dana izuzetno hiperaktivnog VW-a. Puni tekstovi i slike na navedenim linkovima.


VW CrossTouran:

http://auto.blog.co....e&articleId=783

VW Tiguan:

http://auto.blog.co....e&articleId=765

VW Savanna:

http://auto.blog.co....e&articleId=745


VW Passat R36:

http://auto.blog.co....e&articleId=364


VW je izgleda resio da uozbilji svoj program, a sudeci po ovim modelima definitivno mu to ide za rukom na radost svih ljubitelja VW-a kojih na ovim prostorima ima poprilicno i koji imaju oko 45000 eura koliko naprimer kosta R36 verzija Passata.

Edited by dmc_dtc, 29 November 2006 - 17:52.

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#12 dmc_dtc

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Posted 02 December 2006 - 18:22

Italijani spremaju novi mali model 500 koji neodoljivo lici na naseg legendarnog ficu.
Fiat na osnovu koncepta Trepiuno, predstavljenog u Zenevi jos 2004. godine, sprema serijsku varijantu, koja ce se izgledom oslanjati na legendarni mali auto istog imena, koji se nalazio u proizvodnji od 1957. do 1975. godine. Testiranja su u toku pa je tako i ovo testo vozilo uhvaceno na ulicama Torina. Za razliku od studije Trepiuno, koja je bila predvidjena za prevoz 3+1 putnika, odakle je i dobila ime, serijski novi 500 bice pravi cetvorosed i nesto vecih dimenzija. U pocetku ce biti u ponudi samo kombilimuzinska varijanta ali ce se tokom 2008. pojaviti i originalna kabrio verzija. Taj kabriolet ce biti dvosed jer ce krovni mehanizam jednostavno pojesti 2 zadnja mesta za sedenje. Na drugoj slici je moguci izgled malog kabrija. Motori, koji su se u pocetku najavljivali, bili bi preuzeti od Pande ali su se u poslednje vreme pojavile informacije ( o cemu smo vec vise puta pisali ) da u Fiatu ozbiljno razmisljaju o ugradnji 2-cilindricnog motora, koji bi iz 900 kubika sa turbo punjacem izvlacio izmedju 90KS i 110KS. Abarth verzija ce razvijati svih 150KS iz 1,4 litarskog motora takodje sa turbom. Fiat ce auto proizvoditi u svojoj fabrici u Poljskoj zajedno sa novim Fordom Ka, koji ce nastati na istoj osnovi.

izvor: http://auto.blog.co.yu







izvor slika: worldcarfans.com


Jos jedan tekst i vise fotografija ukljucujuci i unutrasnjost kao i zanimljiv nacin fiatove najave na linku:

http://auto.blog.co....e&articleId=726
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#13 paculla

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Posted 02 December 2006 - 18:58

meni se svidja wub.gif
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#14 nickie

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Posted 02 December 2006 - 19:11

sladak je smile.gif , al je glupo sto je dvosed dry.gif
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#15 LaMar

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Posted 02 December 2006 - 21:29

900ccm a 110KS? Hail.gif
Da nije wankel lol_2.gif lol_2.gif

A mi? Kada cemo mi od Naseg jugasina da napravimo takav poduhvat?
Neznam kakva ce mu cena biti ali mene mami!!!

A koliku mu potrosnju predvidjau? Posto je to verovatno na principu moto motora imace najmanje 8 litara i to ako bude lagan!

A inace , meni se bas svidja sto je dvosed!!!

Edited by LaMar, 02 December 2006 - 21:30.

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