REFLECTOR: Mechanical Nose Gear Doors

KMis178813 at aol.com KMis178813 at aol.com
Tue Nov 4 20:34:47 CST 2008


Jerry
   I don't know if you saw that I posted the video or not but  here is the 
link
_http://wiki.velocityxl.com/index.php?title=Mishler_nose_gear_ 
(http://wiki.velocityxl.com/index.php?title=Mishler_nose_gear) 
     Thanks Ken
 
 
 
In a message dated 10/31/2008 11:49:36 A.M. Eastern Daylight Time,  
Jerry.Brainard at anthem.com writes:

Ken,
 
I  am also interested manual door closer system.  How do I get one?  If  you 
could send the movie to me off the reflector that would be most  appreciated.
 
_Jerry at jlbent.com_ (mailto:Jerry at jlbent.com) 
 
-  jerry
N202VB
 

 
____________________________________
 From: reflector-bounces at tvbf.org  [mailto:reflector-bounces at tvbf.org] On 
Behalf Of  KMis178813 at aol.com
Sent: Thursday, October 30, 2008 9:45  PM
To: reflector at tvbf.org
Subject: REFLECTOR: Mechanical  Nose Gear Doors



Jack
     I do have some still pictures of the mechanical  nose gear door closing 
mechanism but it is really hard to understand until you  see it work. I will 
take a short movie or 2 this weekend and send it to you  off reflector. It is 
difficult to make one unit for every plane. The placement  of the gear pivot in 
relation to the canard bulkhead seems to never be exactly  the same. So 
installation is a art of it's own, but when installed correctly  seems to work 
flawless. That being said I have 2 mechanisms made up and  ready to ship. Putting 
the "Gear in transit micro switch" activated by  the gear door closing, 
confirms that the gear is stowed and at least one door  is closed. I have one 
installed on Chuck Jensen's Velo (2 years) and one  on Shazam (N173EX) and both are 
working great.
 
          Ken Mishler
 
PS     I have been (helping) building a Lancair 360  for a local guy. Just 
trying to see how "the other people" view  things. WOW They put the windscreen 
and the seats in backwards????
 
 
 
message dated 10/30/2008 5:43:01 P.M. Eastern Daylight Time,  
jackprock at comcast.net writes:
 
Hi
 
Can anyone point me to a website with more  pictures of the mechanical nose 
door linkage? Does Ken Mischler 
have a web site? I would really appreciate  it.
 
Thanks,
Jack Prock

----- Original Message ----- 
From:  _Chuck Jensen_ (mailto:cjensen at dts9000.com)  
To: _Velocity  Aircraft Owners and Builders list_ (mailto:reflector at tvbf.org) 
 
Sent: Saturday, October 25, 2008 3:05  PM
Subject: Re: REFLECTOR: Nose gear  doors don't close


Mel,
 
If you get tired of fiddling with the hydraulics, jerk all of that  stuff out 
and put in the mechanical linkage.  Originally designed by  David 
Scharfenberg and improved by Ken Mishler, it's simplicity, elegance  and reliability are 
remarkable.  I have probably a hundred to hundred  and twenty cycles without 
ever a hitch on the front nose doors.   Good stuff.
 
Chuck Jensen  

-----Original Message-----
From:  reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org]On  
Behalf Of PUSHERPILOT at wmconnect.com
Sent: Saturday,  October 25, 2008 1:36 PM
To: reflector at tvbf.org;  support at velocityaircraft.com
Subject: REFLECTOR: Nose gear  doors don't close


While doing a pre-buy inspection on my Velocity STD  RG I found that the nose 
gear doors are not closing.  When I lift  the gear leg by hand just a 
fraction of an inch the doors close.  The gear had been tested several times a month 
before during the  annual condition inspection.  The airplane had not been 
flown  since. 

What happened in between?  The gear leg is not  coming up as far or the 
sequence valve changed it's adjustment, or ??  After the doors close the gear leg 
seems to be in the same  position it always was, slightly rubbing on the doors. 
 My sequence  valve is the old style on the floor in back.  I unbolted the  
forward connection on the shock/spring and reached in to adjust the  sequence 
valve.  The only way that I could hold the valve plunger  was with a hemostat, 
and I turned the adjustment screw one half turn.  When I put it all back 
together the doors still didn't close.  Perhaps the hemostat allowed the plunger to 
turn. 

The  airplane has 120 hours.  The hydraulic fluid level is OK.  I  tried 
increasing the pressure with the two adjusting screws and that  didn't help.  Al 
Gietzen, didn't we find that those screws didn't  do anything way back when.... 

Any suggestions? 

Mel Bina  
N14B STD RG 
 
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