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Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.
Let’s consider a propeller aircraft propeller diameter of 24 feet then, what would be the minimum value of clearance that is required for safe operation of propeller typically?
Determine thrust of propeller if propeller efficiency is 85%. Propeller is assumed to be operated with 1200 bhp and 350ft/s of velocity.
Tapered involute gears which can couple intersecting shafts, skew shafts, and parallel shafts are known as
Consider the following statements in connection with deflection-type and null-type instruments: 1. Null-type instruments are more accurate than the deflection-type ones. 2. Null-type of instrument can be highly sensitive compared to a deflection-type instrument. 3. Under dynamic conditions, null-type instruments are less preferred to deflection-type instruments. 4. Response is faster in null-type instruments as compared to deflection-type instruments. Which of the above statements are correct?
Propeller has diameter of 25 unit. What will be the static tip speed of the propeller? (Given n = 1200rpm.)
If propeller has static tip speed of 600 ft. per second then, find diameter of propeller. Given n = 1250rpm.
If a propeller is designed to have 200 Hp then find the appropriate diameter for the propeller. Consider 2 blades.
Let’s consider we need to design a propeller engine which has 3 blades. What will be the typical value of propeller diameter? Engine is expected to produce 400 Hp of power.
Determine the propeller efficiency if propeller velocity is 300ft/s and thrust of 1320 lb. Given bhp is 800.