Weight Limit

[Anthony Romano]

Nice Mark, you said what I tried with a lot less typing.

Anthony

>From: "Atwood, Mark" <atwoodm at paragon-inc.com>
>Reply-To: discussion at nsrca.org
>To: <discussion at nsrca.org>
>Subject: RE: Weight Limit
>Date: Fri, 25 Feb 2005 20:49:01 -0500
>
>Bill... I'm sure Dave will chime in, but in the meantime, I'll take a
>stab.
>
>I don't think Dave is trying to imply that a slight weight change
>"Costs" more to build.  The added cost is more complicated.  Increasing
>the weight limit will start a whole cycle (as it did when we changed
>displacement rules) of redesigning aircraft.  New designs cost
>money...It's like R&D...and those cost manifest in higher kit costs.
>New designs means new setups.  For the advanced modeler, that means
>buying multiple sets of Props, plugs, fuels, blah blah blah to figure
>out the new "Hot" set-up.  In addition, it makes all of the "back-up"
>supplies we carry obsolete.  All costs MORE money.
>
>Any idea how many 11x7 3/4 Rev Up props I have in the basement?? Spares
>for when the Supertigers where the hot setup?  How about pairs of
>retracts?? Glow plugs? Or APC 12x12's for my YS 61 long strokes...  Have
>any old Hatori 650 tuned pipes laying around?  Offset headers?  Silicone
>couplers? Can't imagine how much money is in "spare parts" that I never
>used because we changed setup.
>
>That's for the advanced Pattern geek...   For the newbie, the cost is
>worse because the "used" aircraft market becomes non-existent
>UNLESS...they're willing to fly an outdated airframe...something that
>clearly they don't wish to do or this whole discussion would be moot and
>they'd be flying Prophecy's...
>
>So on one side...the beginner has to spend more because there's very
>little "used" fare on the market...and on the other side...the advanced
>modeler "Eats" even more cost because his old plane no longer has the
>value it had prior to the change.
>
>More money, more money, and more money.
>
>Lastly...it puts some of our cottage manufactures out of business...it's
>too expensive for some of them to change designs weekly.  They can't
>sell enough of one plane to recover the design and molding costs.  That
>one I have personal experience with.
>
>So yes...it's not specifically the weight that will add cost...it's
>simply the CHANGE that will increase cost...across the board.
>
>-Mark
>Well Dave??  How'd I do? :)
>
>-----Original Message-----
>From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
>On Behalf Of Bill Glaze
>Sent: Friday, February 25, 2005 6:58 PM
>To: NSRCA Discussion
>Subject: Weight Limit
>
>Dave:
>I hold no particular opinion on a weight limit change; at least, not
>yet.  But, I have rather gained interest in the discussion as a
>bystander.
>So, I am curious.  You seem to equate weight with cost, as if we were
>buying these airplanes like a Sirloin steak, on a per pound basis.
>Now, I have a couple of 14 pound Extra 300's that are powered by Moki's.
>Both of them (at 80 inch wingspans, similar to pattern size wise) cost
>less than any of my pattern airplanes, have greater performance, and fly
>
>very well.  I have no doubt that I could have spent more money, but it
>would not have improved the breed.  I did, of course, build them from
>kits.  I could have built them heavier, but that, too, would be
>pointless.
>If, and I stress if, all other factors are to remain the same except
>weight, how can you come up with weight equating to cost?  Particularly
>now, that Y.S. has upped the ante with their new 1.60?  Which, arguably,
>
>is aimed at the pattern market.
>I perhaps missed the message in this thread that explained your stand.
>Interested to see it again.
>Thanks
>
>Bill Glaze
>
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