Welcome Guest. Sign in or Signup

1 Answers

props

Asked by: 2293 views Light Sport Aircraft, Student Pilot

if a prop is replaced with a prop having a coarser pitch what is the likely effect on performance

Ace Any FAA Written Test!
Actual FAA Questions / Free Lifetime Updates
The best explanations in the business
Fast, efficient study.
Pass Your Checkride With Confidence!
FAA Practical Test prep that reflects actual checkrides.
Any checkride: Airplane, Helicopter, Glider, etc.
Written and maintained by actual pilot examiners and master CFIs.
The World's Most Trusted eLogbook
Be Organized, Current, Professional, and Safe.
Highly customizable - for student pilots through pros.
Free Transition Service for users of other eLogs.
Our sincere thanks to pilots such as yourself who support AskACFI while helping themselves by using the awesome PC, Mac, iPhone/iPad, and Android aviation apps of our sponsors.

1 Answers



  1. KDS on Oct 13, 2017

    Just to ensure we’re on the same sheet of music, when you say a “coarser pitch”, I’m under the assumption that means a prop with a higher angle of attack or what is called a cruise prop.

    The airplane would take more distance to takeoff, have a slower climb, and a faster cruise speed. If flown at the same speed as an identical airplane with a “finer” (smaller angle of attack / climb prop) it would use less fuel and the engine would turn over at a lower RPM.

    The most common analogy is to your bike if you had various speeds you could select. The climb prop (finer pitch) is like the gears you used for starting and going up a hill. The cruise prop (coarser pitch) is like the gears you used riding on level ground with the wind on your back.

    0 Votes Thumb up 0 Votes Thumb down 0 Votes


The following terms have been auto-detected the question above and any answers or discussion provided. Click on a term to see its definition from the Dauntless Aviation JargonBuster Glossary.

Answer Question

Our sincere thanks to all who contribute constructively to this forum in answering flight training questions. If you are a flight instructor or represent a flight school / FBO offering flight instruction, you are welcome to include links to your site and related contact information as it pertains to offering local flight instruction in a specific geographic area. Additionally, direct links to FAA and related official government sources of information are welcome. However we thank you for your understanding that links to other sites or text that may be construed as explicit or implicit advertising of other business, sites, or goods/services are not permitted even if such links nominally are relevant to the question asked.