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Rapco, Inc., a Wisconsin based company has manufactured a variet of replacement FAA approved products that include Propeller de-ice components, pneumatic filters, exhaust gaskets, vacuum pumps and brake wear components since 1982. Rapco, Inc. has become one of the industry leaders in innovative improvements to traditional designs.

Pneumatic Standby Systems:
In the mid 1980’s Rapco designed and built a completely automatic standby instrument pneumatic system for the Beechcraft Bonanza.  The only one in existence today that does not have to be selected ‘on’ by the pilot.  It incorporates the engine driven electromagnetic clutch drive system that engages upon failure of the primary vacuum pump.

New Vacuum Pumps:
Rapco then went on to design and build NEW FAA Approved vacuum pumps that have had several innovative improvements to include a beveled internal rotor that is less susceptible to foreign particle damage from the ingestion of excess carbon or dirt.  Additionally, Rapco designed a new rotor cavity that has an advanced Mil. Spec. coating to provide optimum pump life and reduced vane wear.  the new Rapco design also has cooling fins machined into the pump to provide better overall cooling and extended service life. Rapco now builds a new RA215CC - RA216CW vacuum pump and an new RA441CC-RA441CW series pumps that have a wear port built into the top of the pump so that it is easily accessed by the maintenance technician.  This port along with it’s SMART stick indicator (SMART - Scheduled Maintenance At Regulated Times) takes the guesswork out of vacuum pump life left on the pump.

New Brake Linings:
Rapco, Inc, is the only company in the aviation industry to mold a wear indicator into the side of their brake lining.  Similar to autos or motorcycles, the aircraft owner can now check the ear that is left on his brake lining.  The indicator is a small semi-circular impression in the side lining allowing for visual inspection from the side of the brake assembly.  Rapco’s new generation lining is made from a specialized high temperature composite kevlar fiber that bonds the combination of steel, copper and brass together making an improved friction material that not only provides excellent stopping but also extends the wear life of the brake discs.

New Nickel Brake Discs:
Rapco is an industry leader in forged steel brake discs that are an FAA direct replacement disc for the Cleveland and McCauley originals. Rapco uses a heat treated one-piece forged design instead of a welded or cast disc.  this provides for much stronger and better heat dissipation, thus reducing excessive lining wear.  The one-piece forged design eliminates the corrosion cracking that occurs with the welded original discs and is four times stronger.  As a corrosion preventative Rapco electroless nickel plates the disc to keep any rust from forming and corroding the wheel half assembly. This helps extend the overall life of the wheel halves.  As we compared discs in the market place Rapco’s were not only better than the original welded discs, but they were considerably less expensive.

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