Matt, et al,

 

Notes on 320/360 series

 

Having done most of my flying in the mid west, I have landed on wide long runways when the tower was reporting "braking conditions poor" and that often meant dry spots intermixed with icy/snowy ones.  ABS on each main wheel (independent of each other) could have been beneficial but I generally found comfort on a longer runway where I could avoid using the brakes until control was possible at a low speed.  Ultimately, I needed them thar things for turning - dang......... 

 

Snow covered runways were easy.

 

The TK-5s (Ong's Debongers) were essential as the stiff, cold donut suspension never gave good tire contact on an uneven surface, especially if the surface was slippery.    

 

If a runway is actually completely covered in ice, a strong crosswind could mean that you might be blown off to the side whether you had ABS or not (uh, weather-vaning in our wee aircraft can be useful sometimes).

 

Enjoy the coming winter,

 

Grayhawk

 

PS Check your Farmer's Almanac for predicted conditions in your area.

 

If it was an icy runway I don't think I'd want to be landing my little Lancair there!

Matt

On Sep 23, 2013, at 9:18 AM, Colyn Case <colyncase@earthlink.net> wrote:

> Interesting question.
> I think there would be some new design involved to deal with the differential aspect.
> Imagine you have ice under the right main and bare pavement under the left. You probably want the braking on the left reduced to match the right.   Yet with bare pavement on both mains, you want to be able to command a turn.  
>
> You might get away with a "landing" mode which forces the two to match (sorry, no help in a cross wind).   Then you would turn the landing mode off to taxi.
>
> All in, if you have an icy runway, you might be better off with a reversible prop and no ABS.
>
> Colyn
>
> On Sep 23, 2013, at 8:08 AM, jeffrey liegner wrote:
>
> I was at the airport on this beautiful Fall day and another builder (RV6) asked me about installing an ABS braking system on the Lancair to help with stopping (without creating a flat spot).  He reports that even BMW motocycles have anti-skid brakes.
>
> http://en.wikipedia.org/wiki/Anti-lock_braking_system
> BMW Motocycle: http://en.wikipedia.org/wiki/File:Absbrakes.jpg
>
> Has anyone given anti-skid (ABS) brakes any consideration in the Lancair?  Just curious.
>
> Jeff L
> LIVP
>
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