Tail First?

[ronlock]

Ive seen full scale birds do a number of  things that we
don't  want to emulate.   <G>

Ron Lockhart

----- Original Message ----- 
From: "Terry Terrenoire" <amad2terry at juno.com>
To: <discussion at nsrca.org>
Sent: Friday, February 28, 2003 6:37 PM
Subject: Re: FOCUS gear Mod.


> I do not remember it's inception, and I disagree with it. While watching
> a film of some full scale areobatics lately, I saw a full size ship land
> with the tail wheel hitting the ground first! That makes the tail-first
> landing "scale"!
> 
> Terry T.
> 
> On Fri, 28 Feb 2003 12:54:40 -0500 "Henderson,Eric"
> <Eric.Henderson at gartner.com> writes:
> > Gene,
> >        "Dragging the tail" is an expression meant to indicate that 
> > the nose is being held higher than usual. The idea being to create 
> > high planform-drag and a desired slowing-down effect. To do a three 
> > point landing or just have the mains touch first, you need to fly 
> > the plane in slowly that way. I am sure I did not say "drag your 
> > tail along the runway".
> > 
> > BTW - I never really understood the purpose of "that" rule. What was 
> > it preventing??? Anyone old enough to recall its inception?
> > 
> >  
> > Eric.
> > 
> > 
> > -----Original Message-----
> > From: gene.maurice at attbi.com [mailto:gene.maurice at attbi.com]
> > Sent: Friday, February 28, 2003 12:44 PM
> > To: discussion at nsrca.org
> > Subject: Re: FOCUS gear Mod.
> > 
> > 
> > Eric,
> > 
> > I was under the impression that "dragging the tail in" is a no-no. 
> > 
> > Per the rule book:
> > "Landing. The landing maneuver will start two (2)meters from the 
> > ground. The 
> > model flares smoothly to a nose-high attitude, dissipating flying 
> > speed, then 
> > smoothly touching the ground, within the landing zone, with the main 
> > wheels 
> > first, with no bouncing or changes in heading after touch down. The 
> > nose wheel 
> > on a tricycle gear and the tail wheel on a conventional gear (unless 
> > a three 
> > (3) point landing of mains and tail wheel touching simultaneously is 
> > executed)
> > should settle gently to the ground after a brief rollout."
> > 
> > Am I mistaken?
> > --
> > Gene Maurice
> > gene.maurice at attbi.com
> > NSRCA 877
> > AMA 3408
> > > I would suggest using a swept landing gear al la Hydeout or 
> > Temptation. I tried 
> > > a set of retract wings on a Focus and noted a couple of inches 
> > difference in the 
> > > wheel positions. Also initial landings tended to bounce if you 
> > came in too hot. 
> > > The wheels work in the current position and you soon learn to land 
> > it that way 
> > > by dragging the tail in! . However the plane will bounce less if 
> > you can sweep 
> > > the gear back.
> > > 
> > > The problem, that you already identified, is that you have to 
> > widen the gear 
> > > plate to accommodate the wider U/C legs that are available in CF. 
> > They put the 
> > > gear plate as far back as they could - it almost touched the wing 
> > - but the 
> > > plate is tricky to widen.
> > > 
> > > My recommendation is to replace the existing plate with a plywood 
> > box to stop 
> > > the bolted part flexing. You could leave the trailing 1/4" rail in 
> > place. Cut 
> > > through forward to accommodate the wider U/C-leg-top. Fit a 3/16" 
> > "box plate and 
> > > glue to the   former as well. It is more work, but it is winter 
> > and you will not > regret a stronger landing gear support on this 
> > plane, plus it will be easier to 
> > > score higher on landings..
> > > 
> > > Regards,
> > > 
> > > Eric. 
> > > 
> > > -----Original Message-----
> > > From: John Crozier [mailto:sjcrozier at comcast.net]
> > > Sent: Friday, February 28, 2003 10:43 AM
> > > To: nsrca discussion
> > > Subject: focus gear
> > > 
> > > 
> > > Anybody using Bolly gear on the Focus?
> > > I don't want to do major mods on the landing gear platform.
> > > The Sukhoi style has been suggested, but I can't find it on the 
> > Bolly web
> > > site.
> > > Is the swept back design of the F3A large too drastic?
> > > thanx...croz
> > > 
> > > 
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