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Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc - KnallertForum.dk

Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc

Tuning og Racermaskiner - Alt som ikke vedrører lovlige knallerter.
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Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc

Indlægaf kreidlerhansen » tirs 13. aug 2013 10:37

For det første kan jeg da lige smide linket til softwaren:

http://atom007.heimat.eu/tmt/gsf_dyno.html


Telefonen eller en digital diktafon i lommen, kør en tur, overfør filen til computeren (i wav-format!), indlæs i programmet, korrigér div. variabler til noget nær virkeligheden... *trylle-trylle-vupti* så har man en effektkurve!

OK, jaja... der er mange ting galt, da man ikke skal ramme ret meget ved siden af med hverken totalvægten af køretøj + fører eller for den sags skyld drag-coefficienten, så hvor præcise tallene er, kan altid diskuteres. MEN!!! Man kan umiddelbart IKKE diskutere forskellene mellem målingerne, så længe man tager højde for lufttryk og temperaturen og selvfølgelig kører samme rute i samme gear.

For sjov skyld har jeg lavet en sammenligning af Nabo_Jan's FS1 Big Bore (47,75mm boring / 42mm slaglængde / drejeventil / standardpotte af ukendt fabrikat / squishband-topstykke) og min Kreidler (44mm boring / 39,7mm slaglængde / stempelstyret indsugning / håndbygget ekspansionspotte / squishband-topstykke):



Forskellene i karakteristik er tydelige... og det er altså kun for sjov, lige så længe jeg stadig kan køre fra eller lige op med Jan! :thunge
Jesper Hansen

MC/Knallert

Suzuki FZ50 1995 ~ 'Moffi': Arvet fra min bedstefar

Kreidler med scootercylinder - 'Scootler':
http://www.2xhansen.dk/kreidlerregdk/kr ... 5992#p5992

Min Photobucket :
http://s173.photobucket.com/profile/kreidlerhansen

Det er fan'me ikke lakken, vi kører på!

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strynboen
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Re: Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc

Indlægaf strynboen » tirs 13. aug 2013 10:50

hvad gør programmet...tæller lydimpulser..og beregner hvornår de stagnere/ikke stiger i rpm..er der en form for gps..eller betyder kørt afstand ikke noget


hvad parametre har systemet at "føle på"...kun lyden fra motoren??...en moment kurve/rpm kurve...der plejer at være 3 u afhæinge parametre for at lave presise beregninger...i de fleste fysiske former..el/ hydralik/hk--- kw/moment

jeg må nok bide i det sure æble og tjekke linket :hihi
rigtige mænd har mange knallerter,,og mc"er..og traktore....

sendt fra min dora senil telefon...nu fra langeland..men hedder stadig strynboen

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Re: Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc

Indlægaf kreidlerhansen » tirs 13. aug 2013 11:26

Jesper Hansen

MC/Knallert

Suzuki FZ50 1995 ~ 'Moffi': Arvet fra min bedstefar

Kreidler med scootercylinder - 'Scootler':
http://www.2xhansen.dk/kreidlerregdk/kr ... 5992#p5992

Min Photobucket :
http://s173.photobucket.com/profile/kreidlerhansen

Det er fan'me ikke lakken, vi kører på!

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Nabo Jan
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Re: Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc

Indlægaf Nabo Jan » tirs 13. aug 2013 23:03

Jeg synes altså at det er lidt smart at jeg kan optage en lydfil
og så kan Jesper ret hurtigt komme med en effektkurve :D
Desværre skal han kende min vægt :(n)
Jeg får Yamaha'en på rullefelt til mc festival her sidst på
måneden, så har vi lidt at sammenligne med!
//Nabo Jan

Yamaha FS1 K1 75cc 1978 (Mc)
Yamaha XV 1100 Virago 1987 (Mc)
Yamaha Sting
Kreidler GT 1967 50cc ombygget til 77-78 model (Mc)

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Re: Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc

Indlægaf kreidlerhansen » ons 14. aug 2013 09:37

Jesper Hansen

MC/Knallert

Suzuki FZ50 1995 ~ 'Moffi': Arvet fra min bedstefar

Kreidler med scootercylinder - 'Scootler':
http://www.2xhansen.dk/kreidlerregdk/kr ... 5992#p5992

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Frandsen
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Re: Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc

Indlægaf Frandsen » ons 14. aug 2013 10:37

Mvh
Frandsen

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Re: Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc

Indlægaf kreidlerhansen » ons 14. aug 2013 10:40

...kom det fra manden, som selv med over 75ccm ikke kan komme over 90km/t...


:teeth2
Jesper Hansen

MC/Knallert

Suzuki FZ50 1995 ~ 'Moffi': Arvet fra min bedstefar

Kreidler med scootercylinder - 'Scootler':
http://www.2xhansen.dk/kreidlerregdk/kr ... 5992#p5992

Min Photobucket :
http://s173.photobucket.com/profile/kreidlerhansen

Det er fan'me ikke lakken, vi kører på!

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Re: Lyd-dyno og FS1 Big Bore vs. Kreidler 60cc

Indlægaf kreidlerhansen » lør 17. aug 2013 23:01

Lyd-dynoen er hermed kalibreret efter bedste evne på basis af to rullefeltsmålinger. Slutresultaterne fra disse to målinger stemmer fint overens med en reel tophastighed på 90-95km/t på gaden under jævne forhold (ingen modvind, flad vej, oprejst kørestilling)... dette er muligt for en knallert med 7-9HK, under primær påvirkning af førerens skyggeareal.

http://www.youtube.com/watch?v=SvSvxIekQwM

http://www.youtube.com/watch?v=RRt-mpNGVmQ


Drejningsmomentet ligger konsekvent ca. 20% lavere end resultatet på rullefeltet, men det kan der sikkert være flere årsager til. Uanset, hvor meget jeg piller ved div. variabler, kan jeg ikke få momentet til at stige, uden effekten følger med. Hvorvidt det er en programmeringsfejl eller en svaghed ved at bruge lyden alene, skal jeg lade være usagt...

Faktum er, at det er muligt at få en omtrentlig værdi, OG man kan aflæse, hvorvidt en given ændring gør en positiv/negativ forskel. Dét er brugbart! :)
Jesper Hansen

MC/Knallert

Suzuki FZ50 1995 ~ 'Moffi': Arvet fra min bedstefar

Kreidler med scootercylinder - 'Scootler':
http://www.2xhansen.dk/kreidlerregdk/kr ... 5992#p5992

Min Photobucket :
http://s173.photobucket.com/profile/kreidlerhansen

Det er fan'me ikke lakken, vi kører på!


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