{"slug":"automotive-calc-x402tookit-com-acceleration-estimate-9f3631","title":"Estimate quarter-mile time and trap speed from weight and horsepower (Hale), plu","host":"automotive-calc.x402tookit.com","method":"GET","resource":"https://automotive-calc.x402tookit.com/acceleration-estimate","category":"other","description":"Estimate quarter-mile time and trap speed from weight and horsepower (Hale), plus a power-limited lower bound for 0-60 mph.","price_listed":0.02,"price_asked":null,"state":"no_terms","state_label":"Answers HTTP 429 without x402 payment terms","checks_7d":1,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"horsepower":300,"powerAt":"crank","weightLb":3200},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"drivetrainLossPercent":{"description":"Loss between crank and wheels in % (default 15), used for the 0-60 bound","type":"number"},"horsepower":{"description":"Engine power in horsepower, 10 to 5000","type":"number"},"powerAt":{"description":"crank (default) or wheel: where the horsepower figure was measured","type":"string"},"weightLb":{"description":"Weight with driver in pounds, 500 to 20000","type":"number"}},"required":["weightLb","horsepower"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"asOf":{"type":["null","string"]},"crankHorsepower":{"type":["null","number"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"notChecked":{"items":{"type":"string"},"type":["array","null"]},"poundsPerHorsepower":{"type":["null","number"]},"powerToWeightHpPerTon":{"type":["null","number"]},"quarterMileSeconds":{"type":["null","number"]},"reasons":{"items":{"type":"string"},"type":["array","null"]},"source":{"type":["null","string"]},"summary":{"type":["null","string"]},"trapSpeedMph":{"type":["null","number"]},"verdict":{"type":["null","string"]},"weightLb":{"type":["null","number"]},"wheelHorsepower":{"type":["null","number"]},"zeroToSixtyPowerLimitedLowerBoundSeconds":{"type":["null","number"]}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":429,"valid_402":false,"asked_usdc":null,"price_match":null,"latency_ms":305,"error":null}],"description_full":"Estimate quarter-mile time and trap speed from weight and horsepower (Hale), plus a power-limited lower bound for 0-60 mph.","last_updated":"2026-10-20T20:45:13.253Z","schemes":["exact"]}