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La réclame...
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Marc
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EDOUARD Jean
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philwood
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Pierre"PhilRead"
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mickey
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Dialmax
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La réclame...

 

 [2stroke] Ryger engine

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AuteurMessage
fd-racing

fd-racing

Nombre de messages : 1100
Age : 57
Localisation : france/fréjus
Date d'inscription : 03/02/2014

[2stroke] Ryger engine - Page 27 Empty
MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeJeu 09 Jan 2020, 14:05

Is there any need to shoot at a dead body [2stroke] Ryger engine - Page 27 55116

they tried and unfortunately they failed , it's plenty enough i think

which doesn't mean the idea was bad  or the people involved stupid , it just mean  they didn't make it , that's only it ......


the lesson here is , alone we are not much , or nothing   [2stroke] Ryger engine - Page 27 800210


.


Dernière édition par fd-racing le Jeu 09 Jan 2020, 17:30, édité 1 fois
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Vannik



Nombre de messages : 24
Age : 63
Localisation : Centurion, South Africa
Date d'inscription : 15/09/2012

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MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeJeu 09 Jan 2020, 17:27

I do not see it as shooting a dead body, more as an autopsy to determine the cause of death. Sharing what was done and what did not work as anticipated might spark a solution somewhere. But while nothing is shared we can only speculate. An yes, some people seem only interested in saying "I told you so".
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http://www.vannik.co.za
Jan Thiel



Nombre de messages : 512
Age : 80
Localisation : Bangkok
Date d'inscription : 12/10/2010

[2stroke] Ryger engine - Page 27 Empty
MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeVen 10 Jan 2020, 06:44

Anyone with even a little bit of 2-stroke and mechanical knowledge could  immediately understand
That 70 HP and 30.000 rpm were impossible...… Ridiculous!
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Vannik



Nombre de messages : 24
Age : 63
Localisation : Centurion, South Africa
Date d'inscription : 15/09/2012

[2stroke] Ryger engine - Page 27 Empty
MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeVen 10 Jan 2020, 06:52

Jan, Absolutely agree! But, there might be merit in the idea to clean up the emissions of the daily transport, and that will now be lost.
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http://www.vannik.co.za
Jan Thiel



Nombre de messages : 512
Age : 80
Localisation : Bangkok
Date d'inscription : 12/10/2010

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MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeVen 10 Jan 2020, 08:59

I think maybe making a kart engine was a big mistake...…
A stationary low performance engine might have been a auccess!!!
That could still be tried.
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fullgazlolo



Nombre de messages : 1635
Localisation : GE-CH
Date d'inscription : 04/01/2016

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MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeVen 10 Jan 2020, 09:07

Lotus worked about Lowen émissions on 2 Steiner engines.
They added a rotary valve for thé exhaust port which désynchronised thé closing.
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ReinanRacing

ReinanRacing

Nombre de messages : 54
Localisation : Japon
Date d'inscription : 24/06/2018

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MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeVen 10 Jan 2020, 14:40

It was not my intention "to shoot a dead body". After quite a while, I returned to this forum to follow this thread:

[Vous devez être inscrit et connecté pour voir ce lien]

And then somehow I remembered the Ryger engine and decided to check the situation.

I wanted to give some information about the timing. In The Netherlands, the process of bankruptcy takes a long time. If Ryger Kartmotor BV was liquidated in November 2017, then that means that they had been going down for a long time before that.
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ReinanRacing

ReinanRacing

Nombre de messages : 54
Localisation : Japon
Date d'inscription : 24/06/2018

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MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeVen 10 Jan 2020, 15:07

[Vous devez être inscrit et connecté pour voir ce lien] a écrit:
I think maybe making a kart engine was a big mistake...…
A stationary low performance engine might have been a auccess!!!
That could still be tried.

2T technology is no longer viable as a large-scale technology for automotive (motorcycle, scooter) purposes, even in "developing" markets all new models are 4T. Even small generators are all 4T nowadays, in fact, even chain saws and weed cutters are now 4T or electric.

As a small (startup) business, if you want to make money on any internal combustion engine, you must operate in that part of the market where emission regulations do not apply, and where reliability and lifetime are not (very) important. If you have a small workshop (start up company), you can build engines quite easily, but to build engines with sufficient lifetime, reliability, and emission standards is very different, let alone that you can do that for a competitive price. You cannot compete with the big players. Thus the only option is to limit yourself to that part of the market where customers are willing to pay a premium for performance, where reliability and lifetime are not first priority, and where emission standards do not apply.

It is my dream to make my own 500 CC V-4 2T motorcycle engine, like the people who are building the YZR500 engine on this forum. If you can build one such engine, you can also build many such engines. However, such an engine will never meet any emission standard, and thus you cannot get create any road-legal motorcycle, and that means that you are limited to the very small market of people who are willing and able to buy a high-performance motorcycle which can only be used on a racetrack. That is to say, you cannot even show off such a motorcycle when cruising on the boulevard on Saturday evening..... I have done the calculations..... the price of a Suter MMX is actually quite cheap, taking into consideration what it costs to build even one engine.
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Vannik



Nombre de messages : 24
Age : 63
Localisation : Centurion, South Africa
Date d'inscription : 15/09/2012

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MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeVen 10 Jan 2020, 15:18

2T in F1 in future?
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http://www.vannik.co.za
Frits Overmars

Frits Overmars

Nombre de messages : 2384
Age : 72
Localisation : Raalte, Holland
Date d'inscription : 12/10/2010

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MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeVen 10 Jan 2020, 15:47

[Vous devez être inscrit et connecté pour voir ce lien] a écrit:
2T in F1 in future?
I think two-strokes would be dominating Formula 1 right now if there hadn't been a rule saying that they are not welcome. But perhaps things are going to change: [Vous devez être inscrit et connecté pour voir ce lien]
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ReinanRacing

ReinanRacing

Nombre de messages : 54
Localisation : Japon
Date d'inscription : 24/06/2018

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MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeSam 11 Jan 2020, 05:29

"Formula 1’s project to become carbon neutral in 2030."

What can we say.....
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fullgazlolo



Nombre de messages : 1635
Localisation : GE-CH
Date d'inscription : 04/01/2016

[2stroke] Ryger engine - Page 27 Empty
MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeSam 11 Jan 2020, 09:03

Hurra!
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Jan Thiel



Nombre de messages : 512
Age : 80
Localisation : Bangkok
Date d'inscription : 12/10/2010

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MessageSujet: Re: [2stroke] Ryger engine   [2stroke] Ryger engine - Page 27 Icon_minitimeMer 27 Jan 2021, 08:52

There are rumours in Holland about the death of Hendrik Gerrits, the 'inventor' of the RYGER engine.
Can anyone confirm this?
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