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Old Aug 03, 2008, 08:35 PM
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United States, CA, Tehachapi
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SIG Astro Hog -The Best Plane Ever Made?

This is such a sweet flying plane that I can't believe there isn't dozens of threads on RCG about them already. I flew one for the first time today, and seen them fly before -what an awesome plane!

Anyone have some stories/experiences they'd like to share about them? Anyone flying one right now?

Frank
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Old Aug 03, 2008, 08:51 PM
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I have one and it is indeed a sweet heart.
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Old Aug 03, 2008, 09:47 PM
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Little shack in the woods,VA
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Love them Hogs!!
Have owned at least 3 of them.
All were kit-bashed into "squint-scale" p-51, seafury, and pt-19 respectively.
Planning on building several more soon, my next will have retracks.....
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Old Aug 03, 2008, 10:52 PM
Ern
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What is the best size motor for the Hog!
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Old Aug 04, 2008, 05:11 AM
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Now we're talking! That's a good way to describe them. A "real sweetheart." Anyone care to share some photos?

As far as engines, can't say for sure but the one I flew had a .78 four stroke on it and it handled real well with it.

I'd like to hear what the others think about engines and and the Hog.

Frank
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Old Aug 04, 2008, 07:39 AM
define("BEASTMODE", "1");
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I had one with an O.S. .91 four stroke that was a dream to fly! Actually it's the plane I soloed on. I still miss that one, I sold it when I didn't have a place to fly and couldn't make the hour trip to the field often enough.
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Old Aug 04, 2008, 09:15 AM
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i think i have one, when i bought it i wasnt sure what it was and the guy who sold it to me didnt know. im almost positive that it is. it has an OS FX61 and i HAVENT FLOWN IT YET! first i think i gotta get the trainer going. ive flown a skyfly, then a parkzone p-51. i have a nitro trainer i need to fly first though becuse the hog looks a bit too aggressive for a 3rd plane. any opinions?
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Old Aug 04, 2008, 10:06 AM
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Little shack in the woods,VA
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My first Hog( p-51) was powered with a saito-65, perfect for 1st or second low-wing.
My favourite(seafury) was powered with OS-91 with half the dehidral taken out, awesome!
My current one(pt-19) is powered with a saito-80..
Next will probally have retracts and a big cowl( Hawker Tempest) an will be powered with at least a 90 4-stroke but, maybe a 2-stroke .75 .
I also want to try the Hog bipe.
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Old Aug 04, 2008, 04:31 PM
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From what I have seen, the Hog flies better that the Hangar 9 Arrow trainer and the Hangar 9 Pulse XT.

Frank
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Old Aug 04, 2008, 10:22 PM
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Mine has an OS 91 Surpass on it and I think it is just about perfect.
I have also flown one with an OS 70 Surpass on it and it flew very well too.
The additional power of the 91 of course makes the vertical climb better, but the 70 four stroke pulled it along pretty darned good too.
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Old Aug 05, 2008, 07:53 PM
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Yep - there's nothing like a Hog. After having flown the Hog built from the original 1958 MAN plans and the Sig version, once you fly the original you'll like it better.

After I rebuild my Sig Hog, I think all the Hogs I build will be off the original 1958 plans. And just for kicks I'm going to put a set of Rhom Air retracts in one.

Power wise, I like my OS .61 SF 2-stroke, but a .91 4-stroke is very popular also. If you want a nostalgic experience and fly it close to the way it was in the late 1950's, put an OS .46 AX or TT .46 Pro in the nose - but you better be prepared to fly on the wing and do aerobatics using inertia between maneuvers.

Hogflyer
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Old Aug 05, 2008, 08:02 PM
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Hogflyer,

Can you explain some of the differences that you don't like about the SIG version? And can me modify the SIG version to make it more acceptable? Since many of us do not have the original plans but will be getting the SIG version.

Thanks,

Frank
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Old Aug 05, 2008, 09:23 PM
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The Hog is a fine airplane! I've had two over the past 20yrs. One sold, and the other is still flying.

OS70FS's in both. Excellent matchup.

If you really wanted to experience the ORIGINAL Hog....you'd need to increase the dihedral to about 16degrees, discard the strip ailerons and build barndoor ailerons (with bellcranks), and make provisions for a rubber banded on horizontal stabilizer.

Power your plane with a Torpedo .35 (no throttle, or two-speed at best), and use a reed system radio, dry cell batteries and a vacuum tube receiver.

Average lifespan? Short.

The SIG version merely modernizes the design to reflect (some of the) more current building techniques, flying styles, more powerful engines, and vastly more capable radios.

The "Original" Hog either built from MAN plans, or perhaps built from an early Berkely kit might appeal to the pure nostalgia buff, but the current SIG version would be the more appealing flyer in today's world.

Viva la Hog!

CV
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Old Aug 05, 2008, 11:33 PM
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Viva la Hog!
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Old Aug 06, 2008, 04:38 AM
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CV,

Thanks for the additional info. Very informative!

Now we just need some photos.

Thanks again,

Frank

PS tod0001, it looks like you are just down the road from me (38 miles).
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