Kalkaaliyihii Horsepower
Tixraac awoodda horseedka ee mashiinka ka soo noqnoqda iyo RPM, ama qiimeeyo xawaaraha xadhig-mitir-mitir.
Natiijooyinka cusbooneysiinta sida aad ku qorto.
Ku saabsan Kalkaaliyahan
Horsepower measures the rate of doing work, and this horsepower calculator finds it two ways. In the first mode, engine power follows directly from torque and rotational speed: HP = torque (lb-ft) × RPM ÷ 5252. The magic number 5,252 comes from the definition of horsepower (33,000 ft-lb per minute) and the 2π radians in a revolution, and it is also the RPM at which the horsepower and torque curves always intersect on a dyno chart. The tool reports the metric equivalent too, using 1 hp = 0.7457 kW.
As a worked example, an engine making 300 lb-ft of torque at 5,000 RPM produces 300 × 5000 ÷ 5252 ≈ 286 hp, which is about 213 kW. Because power is torque times speed, the same 300 lb-ft makes far more horsepower at high RPM than at low — which is why high-revving engines chase big peak-power figures even with modest torque.
Switch to the quarter-mile mode to estimate drag-strip performance from power and vehicle weight using Roger Huntington’s classic empirical formulas: trap speed ≈ 234 × (hp / weight)^⅓ mph and elapsed time ≈ 5.825 × (weight / hp)^⅓ seconds. A 300 hp car weighing 3,500 lb comes out around 103 mph and a 13.2-second quarter mile. These are rough guides that ignore traction, aerodynamics and driver skill, but they are a quick sanity check for a build or a way to back out power from a known trap speed.
Su'aalaha badanaa la isweydiiyo
Maxaa 5252 ku jira foomka horsepower?
Horsepower waxaa loo qeexay sida 33,000 ft-lb daqiiqada, iyo mid ka mid ah wareegga soo jiidasho 2π radians. isku darka joogtada ah siiyaa HP = torque × RPM ÷ 5252, taas oo sidoo kale sababta horsepower iyo curves torque waligood isku xiran 5252 RPM on chart dyno.
Sideed u qiimeysaa awoodda faraska ee afar meelood meel mitir?
Roger Huntington ee foomka xiriirka xawaaraha iyo miisaanka xadhig awood: xawaaraha xadhig ≈ 234 × (hp / miisaanka) ^ ⅓ mph. Kalkaaliyihii waa in ay ka dhigto si ay u qiimeeyaan xawaaraha xadhig iyo waqti ka soo baxay awooddaada iyo miisaanka, tilmaame adag oo aan la tixgelin xawaaraha iyo aerodynamics.
Sidee bay Watts waa hal horseedka?
Mid horsepower mashiinka ah oo ku saabsan 745.7 watts, sidaas darteed 300 hp waa in ka badan 224 kW. Kalkaaliyihii muujinayaa kilowatt la mid ah dhinaca horsepower.
Maxaa ka dhigaya isku dhaqaaqa siin horsepower kala duwan oo RPM kala duwan?
Sababtoo ah awoodda waa jeer jeer wareega xawaaraha. HP = jeer × RPM ÷ 5252, sidaas darteed 300 lb-ft ka dhigaysa ku saabsan 286 hp at 5,000 RPM laakiin kaliya 143 hp at 2,500 RPM - sababta mashiinada waa revved in ay gaadho awooda sare.
Waa maxay awood-in-cuf wanaagsan oo ku saabsan xadka afar meelood oo mitir ah?
Fadlan si deg deg ah u miisaanka la cube root horsepower pound kasta, sidaas daraaddeed miisaanka waa muhiim sida awoodda. Ku saabsan 0.1 hp per pound (a 350 hp, 3,500 lb gaariga) waxaad ku soo dhawayn 110 mph falalka; miisaanka ka bixi caawin sida awoodda ku daray.
Ma waxaan ku qiyaasi karaa horsepower ka speedy ii xadhig?
habka afar meelood meel-mitir ka socda Huntington ee formula ka xoog iyo miisaanka si ay xawaare xadhig iyo ET. Si aad u tagto habka kale, hagaaji horsepower soo gelitaanka ilaa xawaare xadhig la saadaaliyay waa isku mid ah mid aad miisaanka - in horsepower waa qiimeynta qallalan.
Ma tirakoobka quarter-mile sax yihiin?
Waxay yihiin tirada ballpark. Huntington ee formulas iska indho tirto xawaare, aerodynamics, gearing, farsamada soo bandhigida iyo driveline khasaare, sidaas darteed gaari dhab ah waxaa laga yaabaa in ay yihiin qaar ka mid ah 10-meeyadii ka labaad off. Iyaga u dhaqmaan sida tilmaame, ma aha bedelka loo socdo waqti.
API — isticmaal xisaabinta ka code
Wici xisaabinta sida free JSON endpoint - key ma loo baahan yahay. Dib u soo dir qiimaha goobta hoos ku qoran sida parameters su'aal ama JSON. Wax kasta oo aad ka maqan tahay isticmaalaa default la mid ah ee boggani waa hore loo buuxiyey la; parameter aan la aqoon waa 400, marnaba ma aha zero maqan. Akhri dhammaan API xuquuqda →
Xarafka
GET https://calculator.free/api/v1/horsepower/curl
curl "https://calculator.free/api/v1/horsepower/?torque=300&rpm=5000&hp=300&weight=3500&_mode=power"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/horsepower/?" + new URLSearchParams({
"torque": "300",
"rpm": "5000",
"hp": "300",
"weight": "3500",
"_mode": "power"
}));
const data = await r.json();
console.log(data.results);Natiijooyinka waa tirakoobka loogu talagalay tilmaamaha guud oo keliya, maaha dhaqaale, caafimaad ama talo bixin canshuur.