The invention of flight is one of the most monumental developments in human history – and it was all possible thanks to a gearbox. The Wright Brothers recognized the need for a specialized kind of gearbox, known as a propeller speed reduction unit, when they first developed their aircraft in 1903.
How a Propeller Speed Reduction Unit Works
Propeller speed reduction units are used in an airplane to reduce the output of revolutions per minute (rpm) from the higher input rpm of the power plant. Essentially, they are used to allow small, high rpm engines to turn propellers in light aircraft within an efficient speed range.
The Wright brothers saw the need for a gearbox of this kind when they first developed powered flight. However, it wasn’t until the 1920s, when larger engines were designed, that propeller speed reduction units became more widely used.
Propeller speed reduction units are perfect for applications that require an internal combustion engine to be combined with a Falk gearbox. This is because they are designed to alter the frequencies of the crankshaft, allowing the torsional vibration to increase rapidly to high levels at certain rotational speeds. Clutches or flexible couplings can be used to prevent torsional resonance from reaching damaging levels.
There are many different types of propeller speed reduction units that include: chain drive, fixed internal gear, belt drive, and epicyclic gearing. Epicyclic gearing was used in the Rolls-Royce Falcon engine in 1915. It was used to limit the maximum torque in order to protect the reduction gears. All of the most powerful piston engines built are designed to use a propeller speed reduction unit.
Industry Demand for High-Quality Gearboxes Grows
As the world begins to shift to more green and eco-friendly energy sources the demand for industrial gearboxes will continue to grow.
There will be a greater demand for increased industrial automation in industries such as agriculture, manufacturing, and energy that all rely on machines powered by gearboxes. The wind turbine industry in particular is growing rapidly and requires a high-quality gearbox, gearbox parts, and experts to help maintain and repair them.
How can industries and manufacturers stay ahead of the growth curve and on the cutting-edge of technology? Investing in Falk gearboxes that are both reliable and cost-effective is the first step. Companies should consult with a qualified Falk gearbox specialist who will be able to guide them through this process.
Mar-Dustrial’s Repair and Renew Program
Want to get ahead of the curve and maximize your operations? Mar-Dustrial offers Falk RENEW services. Our team of expertly trained mechanics and machinists can quickly rebuild a failed speed reducer, getting you back online quickly at an affordable price.
Mar-Dustrial is also able to:
- Make expedited repairs, which often means we can return it within 24 to 48 hours
- Restore your drive to its original specifications
- Repair damaged assembly
- Replace worn parts with minimal re-engineering
- And more!
We also offer a warranty protection program and all of our gearbox repairs are guaranteed with a one-year warranty. Our facility has more than 100 years of experience preparing speed reducers from almost every manufacturer.
We also carry a large inventory of new rebuilt and used parts for Falk gearboxes. Mar-Dustrial offers Falk speed reducers, couplings, backstops, fluid drives, mixer drives, and obsolete reducers that may not be available on the market anymore. Get in touch today!
Posted under Falk Gearboxes on Thursday, September 5th, 2019