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Old Sep 22, 2011, 06:55 PM
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Kookaburra's Avatar
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Help!
Fuse box . . . or a box full of fuselages

Appropriate to find treasure on Talk like a pirate day, abandoned and almost forgotten in a dark dank corner of a neighbour's shed. "Would you have any use for these?" he asked pointing to a rotten cardboard box with a gaggle of tails hanging out.

But what have we here? It's all 15 - 20 years old. Can you help ID any of them?

The measuring tape is extended to 1.5m [60"]. It's likely they all took wings spanning 2.8-3.2m [110-126"].

Fuse 1
: 124cm [48.8"] nose to base of fin; fiberglass layup; unused; looks like RG15 wing root; RnR Eagle?

Fuse 2
: 134cm [52.8"] nose to base of fin; fiberglass layup with carbon reinforcing; unused no keel; wooden fin cap for T-tail; Calypso Contest? Jaro Müller Ellipse? A local Ellipse copy called the Xerox? [fairdinkum or fantasy . . . that's what I've heard]

Fuse 3: 129.5cm [50.98"] nose to base of fin; fiberglass layup; several crash repairs; no idea of type, but looks like RG15 again.

Fuse 4: 121.5cm [47.8"] nose to base of fin: many crash repairs; no idea of type, but this is the oldest from late 80s or early 90s.

There are 3 sets of wings in dreadful condition, but none of them match these fuses. I'll post pics another time.

I'm dreaming about fabricating slermal wings for fuses 1 and 2 [as if I didn't have enough on the bench], either built-up or balsa sheeted foam core. Any suggestions?
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Old Sep 22, 2011, 07:12 PM
Life-abstract=conformity
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Joined Aug 2002
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Interesting find.
#1 & #3 look American but not RnR (unless there' a different R'n'R your talking about) ,maybe something Airtronics or Ed Slegers?
#2 & #4 look European.The upright fin gives it that look to me.Hmm,could #4 be something Sailplanes Intl? Or Mike Smart?
That's about all I can guess.
Look at it this way,with so many projects waiting on you, you'll be around for quite a while.
Skies.
Jay.
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Old Sep 22, 2011, 07:15 PM
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I'd start building the number one for sure. Nice find.
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Old Sep 22, 2011, 07:22 PM
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Joined Sep 2004
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#1 is LJ, I'm pretty sure

I had a fuse like #1 once. I believe they were manufactured by Larry Jolly for a polyhedral wing. I have forgotten the name of the design.

No of them look like Slegers. As far as I remember they were mostly wing saddle designs.

Anker
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Old Sep 22, 2011, 07:49 PM
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Joined Apr 2009
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Quote:
Originally Posted by Anker View Post
Larry Jolly
Like the Meteor 127"?

Larry's designs seem to feature aerodynamically balanced rudders; not a feature of Fuse 1. Also, Fuse 1 is slim and evenly tapered [3.8cm or 1.5" max width] without pod-like bulge of the Meteor nose.
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Old Sep 22, 2011, 08:00 PM
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Well, it ain't necessarily so. Now I've seen different fuses on pics of LJ's Meteor. Hmm . . . but they ain't RG15s.
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Old Sep 22, 2011, 08:47 PM
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#2 could be an old CHK Space, originally with full-flying T-tail. Is the nose cone completely round and does it thread onto a bolt?

Dieter Mahlein, ShredAir
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Old Sep 23, 2011, 03:15 AM
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#2 nosecone is oval section and there is no socket for a bolt or pin.
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Old Sep 23, 2011, 01:20 PM
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1 is a Thermal Eagle for sure, if 3 is identical to one, then you have 2 thermal eagle fuse's.
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Old Sep 23, 2011, 06:13 PM
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Thanks AK. Mark Allen's Thermal Eagle looks right for #1 [though I can't pick the difference from a Falcon 880; need to check the airfoil].

I have a set of repairable polyhedral white foam core 3m wings with ailerons and spoilers that fits this fuse nicely and would make an appropriate period special - my wanderings reveal that Thermal Eagles had full-house wings.

Fuse #3 is longer and wider than #1.
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Old Sep 23, 2011, 06:56 PM
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Fuse #4 is Australia's very own Stepp 3 designed by Mike O'Rielly.
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Old Sep 24, 2011, 11:40 PM
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Quote:
Originally Posted by doc993 View Post
I'd start building the number one for sure. Nice find.
Roger that, Doc.

Not sure you'll approve the path I've chosen, but I'll record the guts of the matter in Thermal forum under 'Thermal Chicken'.
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Old Sep 25, 2011, 10:30 AM
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No.2 is very Ellipse like, not quite right for a Calypso Contest, the fin chord is too narrow, IIRC, the early Ellipses were not quite finished, and the builder had to drill the nose hole to fit the mounting inside the fuselage. I could be wrong, but thats what I remember.
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Old Sep 25, 2011, 04:18 PM
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Joined Apr 2009
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Thanks M. Concur. I have a mate with an Ellipse 2. The wing saddle is very similar, as are overall dimensions. The quality of materials suggests it is not a Jaro Muller original. I was told there is a local copy of the fuse called Xerox.

To summarise:
  • Fuse 1: Thermal Eagle
  • Fuse 2: Ellipse or Xerox
  • Fuse 4: Stepp 3
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Old Sep 25, 2011, 11:16 PM
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I think number 3 is a victory-

http://nesail.com/detail.php?productID=86
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