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Homemade UTV

Polish DIY Lover

By Polish DIY Lover
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Polish DIY Lover Apprentice

Polish DIY Lover

Posted
  • Author
Posted
21 minutes ago, Joe Breaux said:

Jak byś to wyważył?

a protractor, a professional eye, that's enough

 

23 minutes ago, Joe Breaux said:

Trzęsłoby się gwałtownie

It depends on the engine power, torque and various other engine parameters

25 minutes ago, Joe Breaux said:

a co z czopami pręta?

you mean the bearings

25 minutes ago, Joe Breaux said:

Chyba że żartujesz

nope

aefron88 Community Regular

aefron88

Posted
Posted

home desgning an engine is a colossal waste of time, unless you're just interested in doing that for the sake of engineering. It wont make much power or be reliable without a lot of machine work and experientation. Trying to slap together a crankshaft out of scrap material without a lot of machine lathe exerience is going to be an excercise in futility. Crankshafts are extremely sensitive to balance, and straightness.

You can buy a Honda BX200 clone in the US for $100, and a centrifugal clutch that fits it for $30. that's what is commonly used in homemade gokarts. Building something bigger and more like a UTV is definitely do able with off the shelf components and a homemade frame/body. Heck a 6hp BX200 UTV is probably do-able (with a better clutch) it just wont have a very high top speed. Lots of early low CC UTV's were <20HP and stiill manage to do 30+ MPH.

W B Enthusiast

W B

Posted
Posted

I think Jakub is from another country and the translation is losing something along the way. Jakub, Where are you from? We are all waiting for your reply.

Polish DIY Lover Apprentice

Polish DIY Lover

Posted
  • Author
Posted
On 13.09.2024 at 16:06, aefron88 said:

projektowanie silnika w domu to kolosalna strata czasu, chyba że interesuje cię robienie tego dla samej inżynierii. Nie da ci to dużej mocy ani nie będzie niezawodne bez dużej ilości pracy maszynowej i doświadczenia. Próba sklecenia wału korbowego ze złomu bez dużego doświadczenia w obsłudze tokarki będzie ćwiczeniem daremnym. Wały korbowe są niezwykle wrażliwe na równowagę i prostoliniowość.

Możesz kupić klon Hondy BX200 w USA za 100 dolarów, a sprzęgło odśrodkowe, które do niego pasuje, za 30 dolarów. To jest to, co jest powszechnie stosowane w domowych gokartach. Zbudowanie czegoś większego i bardziej przypominającego UTV jest zdecydowanie możliwe przy użyciu gotowych komponentów i domowej ramy/nadwozie. Cholera, UTV BX200 o mocy 6 KM jest prawdopodobnie wykonalne (z lepszym sprzęgłem), po prostu nie będzie miało bardzo wysokiej prędkości maksymalnej. Wiele wczesnych UTV o niskim CC miało <20 KM i nadal udaje im się osiągnąć 30+ MPH.

We are talking about a large engine here because it is over 600 cm3 and it could be even 1400 cm3 I don't know I didn't measure it but I doubt it would be an engine larger than 1000 cm3 in the case of the 1.0 engine I am counting on about 25 horsepower And if it is 1400 Well then I am counting on 35 but that's how I build the engine myself because I love DIY Besides I have quite limited resources and in general I gave myself such a challenge to build it from scrap and the crankshaft will be made by stabbing and welding it will be such a connection We'll see if it works

Polish DIY Lover Apprentice

Polish DIY Lover

Posted
  • Author
Posted
1 minute ago, Joe Breaux said:

Nie można zbudować niezawodnego silnika spalinowego ze złomu i rur. Udowodnij, że możesz to zrobić, oglądając film z budowy i pracy silnika.

i know how engine works but i building my own two-stroke diesel engine

  • 1 month later...
  • 3 months later...
Rideordie Newbie

Rideordie

Posted
Posted

I am interested in how your DIY UTV is going. Any update? I have played around with building go karts but we always buy the engines off the shelf. Wondering how this endeavor worked out.

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