[NSRCA-discussion] Integral Landing gear

[Bob Kane]

I knew there would be a simple fix, thank you Obi-Ron.

Bob Kane
getterflash at yahoo.com


--- On Fri, 2/26/10, Ron Van Putte <vanputte at cox.net> wrote:

> From: Ron Van Putte <vanputte at cox.net>
> Subject: Re: [NSRCA-discussion] Integral Landing gear
> To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
> Date: Friday, February 26, 2010, 3:55 PM
> No tail weight is necessary. 
> Carefully mix some helium-filled  
> microballons with 30 minute epoxy inside a large plastic
> bag and  
> apply to the firewall directly opposite where the large
> side of the  
> angle plate is installed.
> 
> Ron
> 
> On Feb 26, 2010, at 2:22 PM, Bob Kane wrote:
> 
> > I followed your instructions, but pushed the angle
> plate into the  
> > cabosil and let it cure before I read the part about
> the wax  
> > paper.  How much tail weight will I need to
> balance the angle plate?
> >
> >
> > Disclaimer:  This is intended as a humorous reply
> only. No actual  
> > angle plates or Integral Fuselages were harmed.
> >
> >
> > Bob Kane
> > getterflash at yahoo.com
> >
> >
> > --- On Fri, 2/26/10, Verne Koester <verne at twmi.rr.com>
> wrote:
> >
> >> From: Verne Koester <verne at twmi.rr.com>
> >> Subject: Re: [NSRCA-discussion] Integral Landing
> gear
> >> To: "'General pattern discussion'" <nsrca-discussion at lists.nsrca.org>
> >> Date: Friday, February 26, 2010, 1:21 PM
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> I added 1/32” to the face of
> >> the nose ring on the fuse on the
> >> left side which increased the angle by 1/32”. If
> you do
> >> the math, it equates to
> >> adding about .5 degrees of right thrust. The way I
> did it
> >> was to block the fuse
> >> up on my table at .5 degrees positive as compared
> to the
> >> stab which I used as
> >> my 0 reference line. Then I glued a little bitty
> square of
> >> 1/32” balsa to the
> >> left side of the nose ring on the face near the
> outer edge.
> >> Then I applied a
> >> very thick, pasty mixture of cabosil and resin to
> the
> >> entire face of the nose
> >> ring and pushed a large, steel angle plate up
> against it. I
> >> wiped off the
> >> excess, and let it cure, using wax paper as a
> release film
> >> between the angle
> >> plate and resin. Since the fuse was sitting at .5
> positive
> >> and the angle plate
> >> was 90 degrees to the table, the end result was
> that my
> >> nose ring now has .5
> >> down thrust when the fuse is sitting at 0. The
> little
> >> square of 1/32 balsa
> >> canted the angle plate .5 degrees to the right.
> This all
> >> sounds very heavy, but
> >> the weight gain was actually about 4 grams. You
> may need to
> >> think about this
> >> for a second, but if your down thrust is at 0 when
> the fuse
> >> is at .5 positive,
> >> then the down thrust will be at -.5 when the fuse
> is at
> >> 0.
> >>
> >>
> >>
> >> Verne
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> From:
> >> nsrca-discussion-bounces at lists.nsrca.org
> >> [mailto:nsrca-discussion-bounces at lists.nsrca.org]
> On
> >> Behalf Of Vicente
> >> "Vince" Bortone
> >>
> >> Sent: Friday, February 26, 2010 9:30 AM
> >>
> >> To: General pattern discussion
> >>
> >> Subject: Re: [NSRCA-discussion] Integral Landing
> >> gear
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> Verne,
> >>
> >>
> >>
> >> Just
> >> curiosity.  When you said "add 1/32 right
> >> thrust", means to add
> >> to the one is already set at the nose ring?
> >> Is 1/32" is at the
> >> tip of the prop?
> >>
> >>
> >>
> >> Thanks,
> >>
> >>
> >>
> >> Vicente "Vince" Bortone
> >>
> >>
> >>
> >> ----- Original Message -----
> >>
> >> From: "Verne Koester" <verne at twmi.rr.com>
> >>
> >> To: "General pattern discussion"
> >> <nsrca-discussion at lists.nsrca.org>
> >>
> >> Sent: Friday, February 26, 2010 12:28:31 AM GMT
> -06:00
> >> US/Canada Central
> >>
> >> Subject: Re: [NSRCA-discussion] Integral Landing
> gear
> >>
> >>
> >>
> >> John,
> >>
> >> With the stab at 0, make the wing .5 positive,
> reduce the
> >> down thrust to .5
> >>
> >> down, and ADD 1/32 right thrust. I'm currently
> >> finishing my third one and
> >>
> >> got it right on the second one. Now I'm just
> >> duplicating it. Actually, the
> >>
> >> first one flew great but needed some mixing. With
> the
> >> settings I just gave
> >>
> >> you, it'll track straight forever on either knife
> edge
> >> with no mix. The
> >>
> >> extra right thrust was to eliminate a slight left
> drift at
> >> the top of tall
> >>
> >> verticals. I left the stab at the factory position
> and
> >> called that 0. Your
> >>
> >> wing will actually be slightly negative to that
> so
> >> you'll need to increase
> >>
> >> the incidence to .5. The nose ring has a little
> over 2
> >> degrees down so
> >>
> >> you'll need to remove 1.5 degrees from that.
> Can't
> >> help on the gear, I used
> >>
> >> Bolly F3A Longs. BTW, set the CG at the LE of the
> wing tube
> >> or just a little
> >>
> >> rearward of that, like 1/8" or so. Hope this
> helps.
> >>
> >>
> >>
> >> Verne Koester
> >>
> >>
> >>
> >> -----Original Message-----
> >>
> >> From: nsrca-discussion-bounces at lists.nsrca.org
> >>
> >> [mailto:nsrca-discussion-bounces at lists.nsrca.org]
> On Behalf
> >> Of John Gayer
> >>
> >> Sent: Friday, February 26, 2010 12:39 AM
> >>
> >> To: NSRCA Mailing List
> >>
> >> Subject: [NSRCA-discussion] Integral Landing gear
> >>
> >>
> >>
> >>
> >>
> >> The landing gear legs I received with my Integral
> weigh 6
> >> ounces and are
> >>
> >> very rigid as well. I noticed that when Jason
> listed the
> >> weights of the
> >>
> >> components on RC Universe that the gear legs were
> listed at
> >> 3.2 ounces
> >>
> >> which is a substantial difference.
> >>
> >> This will be powered by a YS 170. I haven't
> checked yet
> >> but I intend to
> >>
> >> add adjusters if necessary to achieve stab
> incidence of 0.0
> >> degrees and
> >>
> >> a wing incidence of +0.5 degrees.
> >>
> >>
> >>
> >>  I have three questions that I would like to
> resolve
> >> before I get any
> >>
> >> further along.
> >>
> >>
> >>
> >> 1. Is there a replacement gear that is lighter and
> in
> >> particular more
> >>
> >> flexible?  Height of the gear should be about
> 8
> >> inches.
> >>
> >> 2. Should the downthrust be reduced from the
> approximately
> >> 2 degrees
> >>
> >> built into the nose ring to about 0.5 degrees down
> or ?
> >>
> >> 3. Should the sidethrust be reduced?
> >>
> >>
> >>
> >> Would appreciate help from those of you who have
> already
> >> run into these
> >>
> >> problems and found solutions that are working for
> you.
> >>
> >>
> >>
> >> Thanks
> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >>
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> >>
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> >>
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> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >>
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> >>
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> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> -----Inline Attachment Follows-----
> >>
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