REFLECTOR: Landing Gear Retract Prevention

[Richard J. Gentil]

Thank you both for your replies, I will be bugging the factory tomorrow 
then. ;-)

Richard

Scott Derrick wrote:
> I've got this setup in my plane, works great.
>
> Mines in the nose compartment and I haven't noticed any problems?
>
> I test it every annual.
>
> Scott
>
> Ron Brown wrote:
>   
>> The factory does offer a differential pressure switch that is connected to 
>> pitot pressure.  It should be installed in the cabin (not in the nose 
>> compartment unless you want to run the static side of the switch to the 
>> static port) and is set to allow the gear to retract when airspeed is above 
>> 4" of water or about 80 knots.  It is connected in series with the up gear 
>> switch.  Normally open on the ground, closes at 80 knots.
>>
>> Mine works very well.  You will need to test it during each annual and each 
>> time the plane is up on jacks.  To get the gear to retract, a jumper will 
>> need to be installed across it. Just don't forget to remove it before taking 
>> the plane off the jacks.
>>
>> Ronnie
>>
>> ----- Original Message ----- 
>> From: "Richard J. Gentil" <richard at naples-air-center.com>
>> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>> Sent: Tuesday, October 09, 2007 1:28 PM
>> Subject: REFLECTOR: Landing Gear Retract Prevention
>>
>>
>>     
>>> Does anyone have a solution to keep the landing gear from retracting on
>>> the ground should someone accidentally select the up position on while
>>> the aircraft is on the ground.
>>>
>>> Without drag braces, etc. I did not see an easy way to wire in a circuit
>>> interruption short of something tied to airspeed. (Sort of like what the
>>> old Piper Arrows used to do.)
>>>
>>> Richard
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>>     
>
>   
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