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 [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)

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AuteurMessage
Bob van der Zijden



Nombre de messages : 73
Localisation : Hollande
Date d'inscription : 10/09/2013

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Lun 9 Jan 2017 - 9:27

Op ebay USA zetten en de hoofdprijs vangen. Reserve op 5000 dollar.
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alcatelko



Nombre de messages : 31
Age : 34
Localisation : slovakia
Date d'inscription : 26/09/2011

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Ven 13 Jan 2017 - 5:05

hi...I have one small question about side rotary valve sealing... It is necessary for good sealing both oil seals as in the picture, or it suffices only oil seal 1 (in the picture)...in kreidler drawings looks that is only one oilseal... thanks
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http://www.50cm3.eu
Frits Overmars

avatar

Nombre de messages : 1881
Age : 68
Localisation : Raalte, Holland
Date d'inscription : 12/10/2010

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Ven 13 Jan 2017 - 5:43

# 1 is enough.
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alcatelko



Nombre de messages : 31
Age : 34
Localisation : slovakia
Date d'inscription : 26/09/2011

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Ven 13 Jan 2017 - 6:01

thanks
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http://www.50cm3.eu
Bob van der Zijden



Nombre de messages : 73
Localisation : Hollande
Date d'inscription : 10/09/2013

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Ven 27 Jan 2017 - 2:30

Just use INA needle bearing seals. Small, low friction and not expensive.
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Bob van der Zijden



Nombre de messages : 73
Localisation : Hollande
Date d'inscription : 10/09/2013

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Ven 27 Jan 2017 - 7:58

INA Dichtringe Baureihe G Buna S Gummi
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tjbw



Nombre de messages : 19
Localisation : UK
Date d'inscription : 11/05/2013

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Dim 19 Fév 2017 - 12:29

Bob van der Zijden a écrit:
INA Dichtringe Baureihe G Buna S Gummi

Bob, I think you meant Buna N (NBR). It is oil and heat resistant, and good for oilseals.
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Bob van der Zijden



Nombre de messages : 73
Localisation : Hollande
Date d'inscription : 10/09/2013

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Mer 1 Mar 2017 - 11:35

You're right tjbw, I was wrong. Buna N is the correct quality.
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Manuel Rainer



Nombre de messages : 98
Localisation : Italy
Date d'inscription : 30/10/2012

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Mer 5 Avr 2017 - 13:34

hello

i remember that Jan said: in a cooling system it is best to have
a big radiator with a small amount of water and a pump that has a high l/h rate. and that is better to have the circuit under a good presure of ca. 1,8 bar.
(i hope i remember correct)

Is it possible to use this type of cooling system anywhere? (E.g. In a racing car 4 strocker)

thanks manuel
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Frits Overmars

avatar

Nombre de messages : 1881
Age : 68
Localisation : Raalte, Holland
Date d'inscription : 12/10/2010

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Mer 5 Avr 2017 - 15:23

Manuel Rainer a écrit:
hello i remember that Jan said: in a cooling system it is best to have a big radiator with a small amount of water and a pump that has a high l/h rate and that is better to have the circuit under a good presure of ca. 1,8 bar (i hope i remember correct). Is it possible to use this type of cooling system anywhere? (E.g. In a racing car 4 strocker). thanks manuel
Yes Manuel.
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Manuel Rainer



Nombre de messages : 98
Localisation : Italy
Date d'inscription : 30/10/2012

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Ven 7 Avr 2017 - 13:42

Frits Overmars a écrit:
Manuel Rainer a écrit:
hello i remember that Jan said: in a cooling system it is best to have a big radiator with a small amount of water and a pump that has a high l/h rate and that is better to have the circuit under a good presure of ca. 1,8 bar (i hope i remember correct). Is it possible to use this type of cooling system anywhere? (E.g. In a racing car 4 strocker). thanks manuel
Yes Manuel.

if i don't have a very high water flow, is it better to have more water capacity in the circuit or can we always say: better to have 3 (Big radiator, small Water volume and pressure) of the 4 (high water flow) then only 2.

thanks Manuel
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Frits Overmars

avatar

Nombre de messages : 1881
Age : 68
Localisation : Raalte, Holland
Date d'inscription : 12/10/2010

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Ven 7 Avr 2017 - 17:25

Manuel Rainer a écrit:
hello i remember that Jan said: in a cooling system it is best to have a big radiator with a small amount of water and a pump that has a high l/h rate and that is better to have the circuit under a good presure of ca. 1,8 bar....

if i don't have a very high water flow, is it better to have more water capacity in the circuit or can we always say: better to have 3 (Big radiator, small Water volume and pressure) of the 4 (high water flow) then only 2.
The way you formulated that question gave me a headache Manuel.
More water capacity only means that it will take longer before a stable water temperature is reached. But how high this final temperature will be, depends on radiator capacity and flow velocity.
The function of pressure in the cooling system is to counteract local boiling and so avoid hot spots in the cylinder.
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Manuel Rainer



Nombre de messages : 98
Localisation : Italy
Date d'inscription : 30/10/2012

MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   Lun 10 Avr 2017 - 13:54

Frits Overmars a écrit:
The way you formulated that question gave me a headache Manuel.
More water capacity only means that it will take longer before a stable water temperature is reached. But how high this final temperature will be, depends on radiator capacity and flow velocity.
The function of pressure in the cooling system is to counteract local boiling and so avoid hot spots in the cylinder.

hello

excuse me firts. and thanks

now it's clear.
can we say it is not possible to have not enough water. if the cooling circuit is made efficient and it is full of water, it is enough. all extra volume addeth means that it will take longer before a stable water temperature is reached.

thanks manuel
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MessageSujet: Re: [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)   

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[GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)
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» [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 5)

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