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Author Topic: Double Duty models  (Read 7059 times)

Offline Bill Little

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Double Duty models
« on: July 15, 2013, 03:17:12 PM »
Hi All,

I thought I would bring this into one post since I have seen references to Double Duty models in separate threads.

I believe the Nos. 30 models can well be extremely good planes for many to use in PAMPA Class and also be able to fly another event at the same meet.  Not having to "switch" planes and getting two more flights in front of judges is a great plus to me.  This would work up through Advanced, at least.  Not having to change from one model to the other in the same weekend should lead to better scores in both events.

What do y'all think?

Bill
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Offline afml

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Re: Double Duty models
« Reply #1 on: February 08, 2014, 08:38:04 AM »
John Simpson's 'Cavalier'??
If built as a profile you can use the same plane in 3 classes.
Just a thought...
Lew McFarland's Shark 45 has also done well in Classic & PAMPA.
"Tight Lines!" H^^
Wes
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Offline Dennis Toth

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Re: Double Duty models
« Reply #2 on: February 08, 2014, 12:04:58 PM »
The main difference between "back in the day" and today is power. If you take any of the winning designs with modern power it holds it own if you use "0" offset on the engine and rudder. Today's PA ships have tons of power that in the old days we didn't understand how to absorb the power into useful controlled thrust. Now we do - better props, venturi's, mufflers, fuel systems, plug choice, fuel and trim features.

One thing you need to do with the Classic and N30 designs is to develop a paint scheme that creates the illusion of a bigger ship and adds crispness to the flats in maneuvers.

Best,        DennisT

Offline EddyR

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Re: Double Duty models
« Reply #3 on: February 08, 2014, 01:49:12 PM »
Juno,USA-1 VD~
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Offline jose modesto

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Re: Double Duty models
« Reply #4 on: February 11, 2014, 05:47:23 AM »
1977 Pattern Master,Jimmy 83 NATS champ spectrum.FM plan
John hagan Astarte,Fm plan,Lou Wolgast Mirage,FM plan,
1983 Paul Walker Bad News
Jose Modesto

Offline Bill Little

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Re: Double Duty models
« Reply #5 on: February 15, 2014, 12:48:32 PM »
(snip)

One thing you need to do with the Classic and N30 designs is to develop a paint scheme that creates the illusion of a bigger ship and adds crispness to the flats in maneuvers.

Best,        DennisT

Hi Dennis,

I agree totally that modern power trains will breathe new life in a Nos. 30 model.  A PA .51 in a Genesis Mk III will be much better than a ST .46.

But as to "illusion" of a bigger ship is somewhat strange.  Many of these designs are in the 650-700 sq.in. wing areas.  That is the size of a "Modern" stunter!  ;D  The Genesis Mk III is a World Champs winning design with 700 Squares.  Les's Stiletto WC winner with 660 squares.........  Seems many of them are big enough.  After 1970, or so, the planes really grew.  Much bigger than the average Classic design which were less than 600 squares.

BIG Bear
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Online Steve Helmick

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Re: Double Duty models
« Reply #6 on: May 28, 2014, 10:38:04 PM »
Saw Bob Duncan fly an "Imitation" (Ted Fancher design) in N-30 and NW Profile Stunt this weekend. He had an Aero Tiger .36 in it. I think he should have flown it in Advanced, too. The AT .36 never fails to impress! Bob trophied in 4 stunt events, OTS, Profile, N-30 and Advanced, with 3 airplanes, only one of which was ampetered.

So, I'd have to say "Imitation", most definitely.  y1 Steve 
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Offline Mark Scarborough

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Re: Double Duty models
« Reply #7 on: May 28, 2014, 11:00:55 PM »
My Avenger which is classic legal,, performs well, and no doubt if I can fly bumping against 500 with it,, its more than capable of mid pack expert,, oh, and its 650 square inches,, of course I also have probably twice the power Donnie had  in the original so that helps,, If I could just trim  better,, * more time, more flights*
For years the rat race had me going around in circles, Now I do it for fun!
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Offline Balsa Butcher

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Re: Double Duty models
« Reply #8 on: May 31, 2014, 03:35:22 PM »
I'm refinishing a double duty model - a Dixon "Phoenix" (updated T-Bird). I built it back in the 90's and it is a great flier. Tom finished in the Top 20 at the 83 Nats with it which is pretty good pedigree. With a name like "Phoenix" it deserves to be reborn. Also,it was designed in 1979 so will work for Super 70's as well. Make that triple duty. 8)
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Offline John Kelly

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Re: Double Duty models
« Reply #9 on: May 31, 2014, 06:46:58 PM »
   ...1983 NATS
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Offline Balsa Butcher

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Re: Double Duty models
« Reply #10 on: May 31, 2014, 09:57:44 PM »
That's the one. Thanks for the post. I patched up the holes in the silkspan with packing tape and flew it to see if it is worth restoring (it has been hanging on the wall for 10 years). Flew excellent, will be worth the effort. 8)
« Last Edit: June 02, 2014, 07:53:10 PM by Balsa Butcher »
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Offline Balsa Butcher

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Re: Double Duty models
« Reply #11 on: June 24, 2014, 11:42:16 PM »
Shark 35 w/Aero Tiger and Tornade 10x6 3 blade prop. Oh wait, that's a Classic design...never mind. 8)
Pete Cunha
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Offline proparc

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Re: Double Duty models
« Reply #12 on: June 25, 2014, 03:39:14 PM »
Big Shark with a honking 60. Maybe the best double ship out there.
Milton "Proparc" Graham

Offline RandySmith

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Re: Double Duty models
« Reply #13 on: June 26, 2014, 09:35:15 PM »
Hi Dennis,
 Les's Stiletto WC winner with 660 squares.........  Seems many of them are big enough.  After 1970, or so, the planes really grew.  Much bigger than the average Classic design which were less than 600 squares.

BIG Bear

Actually when it came to LES,, and a few others the planes did NOT grow in size, Les went from 700 Sq In in 75 to  660 sq in. , and then down to 637 sq in. on his last WC Stiletto

My SV ships went from 720 sq in in 1975, to 700 sq in. around 1976, then to 675 sq in in 1977 , in 1982 they went to 630 and 640.

Randy


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