REFLECTOR: Main Gear Emergency Extension

Ron Brown romott at adelphia.net
Wed Dec 21 11:47:48 CST 2005


Actually, that is only a 900' short final. But I agree, it will seem forever 
as you hope you make the field!!!


----- Original Message ----- 
From: "Alex Balic" <alex157 at pwhome.com>
To: "'Velocity Aircraft Owners and Builders list'" <reflector at tvbf.org>
Sent: Wednesday, December 21, 2005 12:17 PM
Subject: RE: REFLECTOR: Main Gear Emergency Extension


> Maybe even 6 seconds seems like a really long time when you are flying a
> glider on final............ :)
>
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> Behalf Of Scott Derrick
> Sent: Wednesday, December 21, 2005 9:44 AM
> To: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: Main Gear Emergency Extension
>
> My experience of dropping the gear using the dump valve is the same as
> Ron's.  The mains come down in about 6 seconds, followed a couple
> seconds later by the nose gear.
>
> I've done this on the ground and in the air with no noticeable
> difference in time.
>
> Scott
>
>
> Ron Brown wrote:
>
>> Chuck,
>>
>> Check and see if you have some sort of restriction in your main gear
>> hydraulic system - I'm guessing in the hoses.  When I made up my hoses
>
>> the first time, I found that the fitting barb had damaged the inner
>> lining to the point that when I tested the hydraulic lines they would
>> hardly pass air.
>>
>> With the mains being heavier, they should fall out first.  My gear
>> will fall out in about 6-8 seconds and lock.  In fact, they fall out
>> almost as fast as the pump will put them down.
>>
>> Ronnie
>>
>>
>> ----- Original Message ----- From: "Chuck Harbert"
>> <c.harbert at comcast.net>
>> To: <reflector at tvbf.org>
>> Cc: <p51 at hotmail.com>
>> Sent: Sunday, December 18, 2005 4:21 AM
>> Subject: REFLECTOR: Re: Glide Ratio
>>
>>
>>> Having survived a no engine emergency landing, I do remember that the
>
>>> plane glides very well with the gear up, but sinks like a rock when
>>> you open those gear doors (probably 6:1). The other thing that is
>>> surprising is how long it takes to lower the main gear (the nose
>>> comes down and locks quickly). If you really want to practice this,
>>> time how long it takes to get the mains to lock, then go out and try
>>> to estimate when you need to start them down. It's way more time than
>
>>> you think. Probably better to put them down at a higher altitude and
>>> circle to land to get the feel of the sink rate before you have to
> land.
>>>
>>> The engine quit when I turned crosswind shortly after takeoff, and I
>>> just made it back to the field, but too little time to lock the
>>> mains, so I skidded in on the backside of the plane. Fortunately, no
>>> fire and damage was not too much due to an iVO composite prop. I was
>>> very lucky.
>>>
>>>
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>>
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