[NSRCA-discussion] Motor Mount

[Jon Lowe]

Georgie,
I think you sent this to the wrong "John"!


Jon Lowe


-----Original Message-----
From: George W.Kennie <geobet4 at verizon.net>
To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
Sent: Wed, 3 Jun 2009 11:47 am
Subject: Re: [NSRCA-discussion] Motor Mount
















 


Hi John,


 


Sorry to have to tell you that I received no
replies to my inquiry.


 


I have the feeling that most people are just not
addressing this issue.


 


It would make a great product for somebody like
Jerry or Chris to produce.All that would be required is


an X brace with an oversize receptacle at center to
receive plastic inserts (like props) sized to fit shaft


bearings.


 


Georgie


 


 


 


 


 


 




----- Original Message -----


From:
  John
  Ferrell


To: General pattern discussion



Sent: Wednesday, June 03, 2009 8:50
  AM


Subject: Re: [NSRCA-discussion] Motor
  Mount






FWIW:


I am interested in an answer to your question
  too! It sure looks to me like some kind of nose bearing would be
  prudent...


 


John Ferrell  W8CCW
 
"A
ll that is necessary for the
  triumph of evil is for good men to do nothing." -- Edmund Burke
...."The
   problem with socialism is that you eventually run out of other 
people's
  money." 
   MARGARET THATCHER
http://DixieNC.US





----- Original Message -----


From:
    George
    W.Kennie


To: NSRCA Mailing List


Sent: Monday, June 01, 2009 4:54
    PM


Subject: [NSRCA-discussion] Motor
    Mount






Hey Guys,


 


I have a new project in the works and it
     involves mounting a 2K watt motor. This will be my first larger 
motor
    install so I felt that some advice from the Pros


would probably be appropriate.


 


The Motor is an outrunner and I can mount it
     from the back side directly to the firewall OR I can use standoffs 
and
    mount it from the front side of the motor.


I keep feeling that there needs to be some kind
    of a stabilizing bearing on the free end as there portends to be a
    significant amount of rotating mass if I just


bolt the thing to the firewall while a pound of
     motor whirls around with a large prop exerting inertial rotating 
energy
    beyond the front of the cowl. It seems like


If I use the stand-offs, there will be a more0D
     rigid area between the prop and the motor, but then I worry about 
the back
    end. Should I figure out some kind of a


bearing mount on the firewall?


 


Somebody set me straight on the accepted
    procedure please.


 


Thanks for you help,


 


Georgie 





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