[2stroke] Ryger engine

fullgazlolo a écrit:

LucF a écrit:: Does anyone knows:[/b]

1. How many hours a piston last in karting engines which want to win a race?
2. How often should it be changed in a season in order not to loose to much power?
3. How much is the total cost of pistons in one season, in case of 10 races?
4. How much hours are spend to change those pistons every time?

Please write your reviews and answers to those 4 questions here below!

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

1) 40mn piston, ring half that time
3) 5.000€, without conroads... One conraod for 10 pistons
4) 15mn

Thanks fullgazlolo !

fullgazlolo a écrit:

LucF a écrit:: Does anyone knows:[/b]

1. How many hours a piston last in karting engines which want to win a race?
2. How often should it be changed in a season in order not to loose to much power?
3. How much is the total cost of pistons in one season, in case of 10 races?
4. How much hours are spend to change those pistons every time?

Please write your reviews and answers to those 4 questions here below!

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

1) 40mn piston, ring half that time
3) 5.000€, without conroads... One conraod for 10 pistons
4) 15mn

Pfiou....! You need to be rich and good with the tool box. I estimate around 50 pistons, 100 ring sets and 5 conrods by racing season and possibly one crakshaft, added with bearings and seals. Incredibly short piston changing time of 15 mn on water cooled engines! Estimated racing time: 40 hours.
Pfiou....! vous avez besoin d'être riche et très bon avec la boîte à outils. J'estime environ une consommation de 50 pistons, 100 jeux de segments et 5 bielles par saison de course, avec peut être un vilo plus des roulements et joints. Incroyable faible temps de changement de piston sur des moteurs à refroidissement liquide. Le tout pour environ 40h de marche.
Dan

Nombre de messages : 1832 Localisation : GE-CH Date d'inscription : 04/01/2016

Dan, de 92 à 95 (après je pense que c'est pareil vu les photos que je vois passer) sur un TM, tu peux démonter le cylindre avec la culasse en place.
Le circuit d'eau se purge et se remplit en moins de 2mn chrono.
De là, c'est pas un maudit circlip qui va te prendre du temps sauf si tu n'as pas la bonne clef à œil de 12!
Il est par contre évident qu'il faut travailler en amont pour appairer les pistons et les segments avec cylindre et culasse de manière à n'avoir qu'à jongler le jour J.
Mais la compétition ça s'organise, ça ne se découvre pas au bord de la piste, faut de la méthode!
En gros, sur circuit long en 125 avec un moteur qui prend des tours, tu comptes 1 segment par manche, un piston pour 2 segments et 100 litres pour la bielle. Les roulements, c'est assez variable mais c'est quand-même assez durable et vu le prix de ceux que j'utilisais, ça vaut mieux!

Merci à toi de ces précisions. Many thanks for your comments. ( pour nos amis internationnaux) [2stroke] Ryger engine - Page 22 809262

Dan

Everyone know better about the piston than we described !

Hi Luc
With a stroke of 54.5 mm and a rod length of 90 mm at a speed of 30000 rpm, the maximum acceleration is about 28000 g affraid

and the instantaneous maximum speed of the piston is 72 m / s.
And it turns to the engine bench,i am really curious to have your explanations on the metals used to accept this phenomenal acceleration.
Wait and see. [2stroke] Ryger engine - Page 22 55116

Nombre de messages : 55 Localisation : Allemagne Date d'inscription : 23/12/2011

LucF a écrit:: Beside it is far more difficult to made in many ways. After machine one the smaller diameter has to be very carefully nicasealed, because honing is almost impossible.

Why did you plate the small diameter of the piston? Would it not have been easier and more precise (because there you can hone) to plate the small lower bore the piston is running in?

R one a écrit:: Hi Luc
With a stroke of 54.5 mm and a rod length of 90 mm at a speed of 30000 rpm, the maximum acceleration is about 28000 g and the instantaneous maximum speed of the piston is 72 m / s.
And it turns to the engine bench,i am really curious to have your explanations on the metals used to accept this phenomenal acceleration.
Wait and see.

Yes R one, Even more than 28000G, that is why we won't sell this version.
But the most interesting thing is that the Ryger principle can do it, because we did.

Haufen a écrit:

LucF a écrit:: Beside it is far more difficult to made in many ways. After machine one the smaller diameter has to be very carefully nicasealed, because honing is almost impossible.

Why did you plate the small diameter of the piston? Would it not have been easier and more precise (because there you can hone) to plate the small lower bore the piston is running in?

No Haufen, you might easy think so.
The high of the lower cylinder is lower than the stroke.
So it is impossible to put rings on the smal diameter of the piston.
If you make a drawing you can see it.
,

Nombre de messages : 362 Localisation : Belgique Date d'inscription : 05/12/2011

what intriges me very much about the Ryger is the odd angle at which the carb is sitting. the flange at the reed is vertical, so why has the carb been inclined rearwards ? anybody would have put the carb straight up. it doesn't make sense if you look at the entire flow through the intire intake (but aparently nothing makes sense to us about it

)

Indeed the stroke is 54.5mm and not 44.5 mm (my first erroneous calculations), it is even more terrifying 35000 g and 90 m / s. affraid

The new GSXR 1000 with a stroke of 55.1 mm which at a maximum speed of 14500 RPM has a maximum acceleration of about 8000 g,
To reach 35000g it would be necessary that the 4 cylinders also rotate around 30000 RPM. [2stroke] Ryger engine - Page 22 8464

It's more than magic. [2stroke] Ryger engine - Page 22 438659

It is close to bullets accélération, they aren't destroyed at the gun's mouth.
C'est proche des accélérations des munitions, elles ne sont pas détruites lors de leur sortie à la bouche du canon.
How to explain the 30000rpm possibility whithout breaking? I suppose the piston balanced by the upper and lower pressures in this particular design; in result its weight is very small in running conditions and the conrod is able to support the loads. Maybe I am wrong.
Comment expliquer la possibilité de 30000 Tr/mn sans casse? je suppose que le piston est équilibré par les pressions supérieure et inférieure dans ce design particulier; il en résulte que son poids est très réduit en condition de marche, la bielle est ainsi capable de supporter les charges. J'ai peut être tort.
Dan

Nombre de messages : 1832 Localisation : GE-CH Date d'inscription : 04/01/2016

Moi, tout comme Ionesco, j'attends!
Mais à sa différence, moi j'attends des résultats factuels et pas Godot!

En gros, je suis un peu comme d'autres: roulez en championnat même de quartier contre des TM et autres VM qui soient dignes de ce nom et là, on sera tous d'accord même si le moteur ne tient pour commencer qu'une seule manche de 15mn du moment qu'il soit au niveau.

Mais je ne comprends toujours pas cette volonté impérieuse que vous avez eue de faire homologuer CIK un moteur qui ne marche pas ou plus exactement qui n'est pas au point!

Bref, je suis comme la fosse. Ce qui ne veut pas dire que j'ai raison et que vous avez tort ou l'inverse. Ca veut seulement dire que des promesse non tenues dans tout les domaines... c'est pas ce qui manque!

R one a écrit:: Indeed the stroke is 54.5mm and not 44.5 mm (my first erroneous calculations), it is even more terrifying 35000 g and 90 m / s.
The new GSXR 1000 with a stroke of 55.1 mm which at a maximum speed of 14500 RPM has a maximum acceleration of about 8000 g,
To reach 35000g it would be necessary that the 4 cylinders also rotate around 30000 RPM.
It's more than magic.

You will read it in next subject of Ryger !

I'd love to see a video of it running at 30,000 rpm. It must sound incredible. Would you mind putting one up on Youtube or something.

Guess about 30.000rpm everyone seems to know it better than we described !

Ryger engine components last because the engine makes no real power. Like my car will do 300,000km compared to the 2000km a F1 does before an engine overhaul. Jeezus fucking H christ Luc stop bullshitting and put the Ryger engine kart in a race with other karts with KZ10C engines and let everyone see the result instead of comparing it to 4 stroke hire karts. Engine has had 2 seasons where it could have been entered in a race meeting but no we just see made up dyno graphs and excuses. Nobody believes the bullshit anymore. Nobody is going to buy an engine until they see how it goes in a race, regardless of how long the piston lasts.

Nombre de messages : 164 Localisation : france Date d'inscription : 27/08/2009

fullgazlolo a écrit:: Mais je ne comprends toujours pas cette volonté impérieuse que vous avez eue de faire homologuer CIK un moteur qui ne marche pas ou plus exactement qui n'est pas au point!

Lolo, en 2 ans pas une seul vrai courbe de banc, pas une se participation à une épreuve.

Et maintenant une photo d'un compte tour, certainement reglé sur une seul étincelle par tour et branché sur un qui en produits 2.

Maintenant sa insiste bien sûr le fait qu'il soit propre, bizarrement euro4 dans quelques moi.

Beaucoup d'agitation, menaces de plainte si tu dis du mal ou cite le nom de la personne qui a déposé le brevet.

Chasse aux pigeons pour vendre le brevet Wink

Malgré le fait que je pense l'idée bonne et intéressante à développer , je doit bien avouer que quelque chose m'échappe dans la communication et la mise en oeuvre de ce projet , ce sera parce que j'ai personnellement l'habitude de présenter des projets fonctionnels et que l’intérêt financier n'est pas mon moteur principal ,et que le peu de brevet vendu étaient en béton armé , mais dans cette affaire il est grand temps de présenter du concret je crois , au risque , sinon , de décrédibiliser tout le projet , si ce n'est pas déjà en partie le cas .

Luc , i am afraid people are no more interested in any kind of explanation , i understand the fact that you want to explain how it works , but it's almost to late , who ever will be interested in this projet time is for fact now , put the engine in an race chassis on an GP track and you will get the people"s approval very easily [2stroke] Ryger engine - Page 22 771973

I wish you the best [2stroke] Ryger engine - Page 22 809262

.

Nombre de messages : 8 Localisation : FG Date d'inscription : 09/04/2015

fd-racing a écrit:: Malgré le fait que je pense l'idée bonne et intéressante à développer , je doit bien avouer que quelque chose m'échappe dans la communication et la mise en oeuvre de ce projet , ce sera parce que j'ai personnellement l'habitude de présenter des projets fonctionnels et que l’intérêt financier n'est pas mon moteur principal ,et que le peu de brevet vendu étaient en béton armé , mais dans cette affaire il est grand temps de présenter du concret je crois , au risque , sinon , de décrédibiliser tout le projet , si ce n'est pas déjà en partie le cas .

Luc , i am afraid people are no more interested in any kind of explanation , i understand the fact that you want to explain how it works , but it's almost to late , who ever will be interested in this projet time is for fact now , put the engine in an race chassis on an GP track and you will get the people"s approval very easily

I wish you the best

.

Well, I am interested. I have not yet enough information about the theory behind. I think Luc should explain further. It is however clear that they have run into a problem. It could have been a supplier fault, as an example. That can take a lot of time to correct to come back on track in the project. If you look into the automotive industry, they have a LOT of engineers, but still run into, for example, design/quality problems..late. Problems that are still not solved even as customers receive their brand new model cars. No, it is still too early to say that the Ryget is not working, even with the 1-2 year delay.

Fredrikgu a écrit:

fd-racing a écrit:: Malgré le fait que je pense l'idée bonne et intéressante à développer , je doit bien avouer que quelque chose m'échappe dans la communication et la mise en oeuvre de ce projet , ce sera parce que j'ai personnellement l'habitude de présenter des projets fonctionnels et que l’intérêt financier n'est pas mon moteur principal ,et que le peu de brevet vendu étaient en béton armé , mais dans cette affaire il est grand temps de présenter du concret je crois , au risque , sinon , de décrédibiliser tout le projet , si ce n'est pas déjà en partie le cas .

Luc , i am afraid people are no more interested in any kind of explanation , i understand the fact that you want to explain how it works , but it's almost to late , who ever will be interested in this projet time is for fact now , put the engine in an race chassis on an GP track and you will get the people"s approval very easily

I wish you the best

.

Well, I am interested. I have not yet enough information about the theory behind. I think Luc should explain further. It is however clear that they have run into a problem. It could have been a supplier fault, as an example. That can take a lot of time to correct to come back on track in the project. If you look into the automotive industry, they have a LOT of engineers, but still run into, for example, design/quality problems..late. Problems that are still not solved even as customers receive their brand new model cars. No, it is still too early to say that the Ryget is not working, even with the 1-2 year delay.

Thanks Guys, I think fd-racing is right but I can't tell everything here.
I thought this new 2 stroke would be very interesting to figger out for the experts where the power and the high rpm's came from.
But the number of people who realy can think is to low, they don't believe anything, they can only shout again and again, so why should I go on?

No doubt Ryger will be a succes, also without any forum.
Nobody (exept a few) seems to realise what it in practice means to set up a new factory.
But I made up my mind and will stop to go futher unless the topic climate changes a lot.

Regards, Luc

LucF a écrit:: but I can't tell everything here.

Regards, Luc

Why can't you explain it? It's protected by an international patent.

Make a video of an engine being assembled.
Mount engine on a Kart.
Go to a race track and RACE!

Nombre de messages : 8 Localisation : FG Date d'inscription : 09/04/2015

Thanks Guys, I think fd-racing is right but I can't tell everything here.
I thought this new 2 stroke would be very interesting to figger out for the experts where the power and the high rpm's came from.
But the number of people who realy can think is to low, they don't believe anything, they can only shout again and again, so why should I go on?

No doubt Ryger will be a succes, also without any forum.
Nobody (exept a few) seems to realise what it in practice means to set up a new factory.
But I made up my mind and will stop to go futher unless the topic climate changes a lot.

Regards, Luc
[/quote]

You should continue to explain Luc, there is a lot of people that would like to have a better understanding. That you are late in the project is one thing, but that does not automatically mean the engine is not working as you describe. I have not yet got a good objective explanation why it should not work.

Fredrikgu a écrit:: You should continue to explain Luc, there is a lot of people that would like to have a better understanding. That you are late in the project is one thing, but that does not automatically mean the engine is not working as you describe. I have not yet got a good objective explanation why it should not work.

I thought that I already had explain a lot, but if nobody seems to understand what I wrote, because no understanding reply at all on that, so useless to explain the next chapter. "the power of a Ryger" and may be more?

Start thinking after the first race is for all those unbelievers a lot easier than thinking out of the box.
But for those people who first shouted to me with a big mouth the way they did, I'm not prepared to say anything anymore, also not after the first race. They better stays with there soon old fashion twostroke engines.

And all steps after that we do not give any information before, because that's what we have learned from those guys.

Luc please, continue to explain the next chapter " the power of a Ryger" and don't listen the unbelievers and people not able to understand. [2stroke] Ryger engine - Page 22 771973

S'il vous plait Luc, continuez d'expliquer le prochain chapitre " la puissance d'un Ryger" et n'écoutez pas les incroyants et ceux qui ne peuvent pas comprendre.
Dan

» [GP125] All that you wanted to know on Aprilia RSA 125, and more, by Mr Jan Thiel and Mr Frits Overmars (PART 4)
» Debise champion de France 2008
» [2Stroke] Les MZ & Mr Walter Kaaden
» 2stroke Rotary valve
» 50 cc custom with Yamaha RD 50 engine