FOCUS gear Mod.

gene.maurice at attbi.com gene.maurice at attbi.com
Fri Feb 28 09:15:55 AKST 2003


Because full scale aircraft do it that way???

--
Gene Maurice
gene.maurice at attbi.com
NSRCA 877
AMA 3408
> 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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