What is CFM56-7B?
The CFM56-7B is the exclusive engine for the Boeing Next-Generation 737 jetliner and its military variants. In total, more than 15,000 CFM56-7B engines have been delivered to power 737 aircraft, making it the most popular engine-aircraft combination in commercial aviation history. The CFM56-5A was the original engine on the A320, which gave the CFM56 a market lead over the V. The first engines were -5A series powerplants that went into service in 1987, and continued to be manufactured up to 2003. The -5B was developed to provide higher thrust ratings for all A320 family members.The CFM56-7B demonstrates high performance and reliability with an industry leading 99.The CFM56-5B is a high-bypass turbofan engine manufactured by CFM International, a joint venture between General Electric (GE) and Safran Aircraft Engines.
What is the best number of blades on a propeller?
A propeller with three blades achieves the best balance of smooth operation and minimal drag through the water, which is why a three-blade design is the most popular for general boating. Higher Top Speed By stripping the extra blade, there’s less drag on a 3-blade propeller. Less drag equates to a higher top speed since there’s less slowing down the boat. If sheer speed is your cup of tea, the best option is to go for the fewest blades on your propeller.