REFLECTOR: Brake authority

Scott Baker sbakr at comcast.net
Mon Jun 4 12:10:11 CDT 2007


Hiroo -
The Matco W600XT brakes are very effective for SUV, SE, LW/173 model Velocity aircraft.
I don't recall if you have been to the factory flight transition training program - to learn the importance of airspeed control on during landing.
We recommend an approach speed of 1.3 x Vs ...which translates somewhere around 85-knots for fully loaded aircraft and around 80-knots when lightly loaded.
On a 3000' runway plan on touching down within the first 500' to avoid the need for heavy braking.
Fixed gear aircraft with wheel pants should also consider venting the pants to allow ram-air cooling of the brake discs.
Also check the engine idle speed - and confirm you are able to pull the engine power to full-idle during landing.  If the engine idle is high (by 100 rpm or more), this will add a lot to the landing distance.  Failing to completely close the throttle during landing also places extra demands on braking.
Make sure the brake were 'broke-in' correctly and that the discs are not glazed.


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