Wheel Pants

[Nedim Bek]

We use the 6061 T6 Aluminum NBE axles for Dave Brown wheels. They are
designed for use with Bolly wheels and DB wheels. No modification is
necessary for any wheel having less than 0.8 inches hub width. These
axles are available through Precision Aero Composites in the USA and
Bolly Props in Canada.
Assembly method we use is pretty easy. You simply drill a 1/2" hole on
the pants at the spot where the axles pass and another hole about 3/8"
above this point for a 4-40 screw. A 4-40 blind nut has to be epoxy
glued from its reverse side inside the wheel pant. The axles has a
E-clip to hold the wheel in place. This design has been in production
for about 3 years now. I guess, recently NMP somewhat ended up with a
similar idea!
 
Nedim
 
NBE Precision Aerobatics
Products & Services
http://nbengineering.net/

-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On Behalf Of Mike Darr
Sent: December 21, 2003 7:55 AM
To: discussion at nsrca.org
Subject: Re: Wheel Pants


Bill, if you are looking for a very clean and simple way to mate your
Bolly pants and gear, you can try a set NMP axles (p/n nmpaxlefg) from
Central Hobbies.  The axle set sells for $6.97.  These axles do not use
wheel collars.  the wheel is placed on the axle then held in place with
a small e clip.  The axle is attached to the gear with a 4-40 bolt
threaded through it.  This allows you to put the wheel on the axle then
place it inside the wheel pant.  You will have one hole drilled through
the gear and wheel pant to allow a 4-40 bolt to pass through.  With this
you are simply clamping the wheel pant to the gear when mounting the
axle.  This is most likely the lightest set-up that I know of along with
a set of Dave Brown wheels.  The only problem is that the axles are made
to fit Tetra wheels, so if you choose to use Dave Brown wheels the hub
will need to be modified so that the wheel will fit on the axle and
still be able to install the e clip.  If you need details on the wheel
modification I can explain that in another e-mail.  I can also e-mail
you pictures of this set-up if you are interested.
 
Mike Darr
mdarr00 at comcast.net
NSRCA 3316

----- Original Message ----- 
From: Bill  <mailto:phelps15 at comcast.net> Pritchett 
To: discussion at nsrca.org 
Sent: Sunday, December 21, 2003 8:52 AM
Subject: Wheel Pants

Thoughts on mounting the Bolly CF pants to the Bolly CF gear??  The
pants are grooved to match the outline of the gear......will the axle,
mounted with an aircraft nut, prevent rotation of the pants??  Does
everyone "capture" the outside of each wheel with a collar, or let it
ride against the pants?
Thanks
 
Bill Pritchett
765-744-9322

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