Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Sportsman Aviation F-20 Tigershark ARF

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Old 09-17-2004, 11:00 AM
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MrDHEJ
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Default Sportsman Aviation F-20 Tigershark ARF

Wondering if anyone has gotton the Sportsman Aviation F-20 Tigershark ARF yet. I keep going back and forth between this and a magnum, but leaning closer to the f-20 because of looks, and the ability to land and takoff on the runway.

The second question is engine, would a jett50 or 60 work better in the f-20? what kind of speeds are expected between the 2?
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Old 09-17-2004, 12:36 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

Sportsman is the line available from Hobby People? Correct? I have not seen one yet.

For a speed application, you would want a Jett .50. The SJ-60L, 65L and 76L are designed for lower rpm, bigger prop. By design, they can not turn up like the BSE-50 and SJ-50 engines can.

If that is the Hobby People version of the F-20, it is similar in size to the older Cermark and DC F-20 planes. There are a handful of people on here who can give you first hand speed numbers for those.

BTW... does anyone know if the hobby people F-20 is the same as or similar to the Kange F-20 ??

Bob
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Old 09-17-2004, 01:09 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

Yeah, that's the one from hobby people. I looked at the kange version but i don't like how they use wooden rails for the engine mount. Was nice of them to at least provide the manual for download though.
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Old 09-17-2004, 01:12 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

I loved my Cermark F-20. RIP[&:]
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Old 09-17-2004, 01:24 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

Ditto what vicman says!
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Old 09-17-2004, 06:40 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

It is a good looking bird. I don't think I'll be the first one to try it though I may be number two. Depends if Speed Models is still in business.
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Old 09-17-2004, 07:45 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

I called them up yesterday to find out about this thing and it is not even retract capable, So thats a no for me.

Also thsir is nothing wrong with the rails for mounts. Just add a epoxy/milled fiberglass combo and its fine.
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Old 09-17-2004, 07:51 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

No retracts? What in the world were they thinking. I'm out. Too bad.
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Old 09-17-2004, 10:54 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

ORIGINAL: Cyclic Hardover

I called them up yesterday to find out about this thing and it is not even retract capable, So thats a no for me.

Also thsir is nothing wrong with the rails for mounts. Just add a epoxy/milled fiberglass combo and its fine.
Did you call Kange or Sportsman avaition? Why can't retracts be installed? i've seen allot of arfs come without and people add them later, that was my plan anyway. is there just not enough material to install them to?

Maybe i should look at the GP Patriot XL? I really don't look forward to building the kit, but maybe...
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Old 09-18-2004, 07:19 AM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

The Sportsman Aviation F-20 looks more like the DC F-20. It has a fiberglass cowling and weighs about .5 to 1 pound more than the Cermark/Kangke. Mine is super light with the Webra 50! The Cermark/Kangke F-20 is extremely light but the engine mount is on wood rails(more vibration). I am not certain about the SA mount. I say Cermark/Kanke because I actually used the Kangke instruction manual from the website to build my Cermark F-20. The LHS had one in the back room just waiting for me. In hindsite I wish I had purchased the Jett 50 but my buddy that has the same F-20 insisted we have the same motor After my Jett90 flew this week on my LA-2 pattern ship I will never own anything other that a Jett for a 2 stroke motor.

http://www.hobbypeople.net/gallery/127520.asp

Go with the Kangke F-20 and the Jett 50

p. s. I have seen both the DC F-20 and the Cermark/Kangke F-20 with retracts. Retrofitted of course.
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Old 09-18-2004, 11:55 AM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

Thats a beauty! We are waiting for someone to try the SA version so the rest of us can run otu and get one-

I flew my Patriot arf last weekend with a Webra-50 and it flew great, similar to my OS-50SX powered Patriot, neither close to the Jett-50

Great pic-
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Old 09-18-2004, 07:53 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

Nice looking plane. I have only seen the Kangke in magazines.
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Old 09-18-2004, 08:27 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

Like I said, I loved mine. I got a line on two more when I get a notion. Course I'm working on that F-16 and just put money down on a Patriot and scored some plans for a F-18 that will be E-powered.
Ya gotta love this game!
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Old 09-18-2004, 10:03 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

I have f-20 tigershark direct connection parts and such still available through capstone hobbies in westerville oh I'm running YS 45 has pump Turns 18000 rpm w/10x7 prop radar clock 136 mph.
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Old 09-18-2004, 10:40 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

That YS .45 ought to keep Razor happy.
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Old 09-19-2004, 11:27 AM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

Johnny,

Last I checked, Capstone was no longer selling the F-20 kits (have not for some time now). If you can confirm otherwise, it might make a few people pretty happy
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Old 09-19-2004, 11:31 AM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

One thing to remember about planes made by hobby people manufacturers (Global ,magnum, sportsman Avaiton, and a few others) some are good quality products for low price, and some are poor quality at any price.
The stroe will let you open the box to check it out as long as your at the counter not in the aisle, check it real good and make an informed decision . Also remember most any arf, will need some reinforcement or modifacation.
I've had some sportsman Avaition products includeing a folke wolf w/ YS91 speeds over 130 some minor reinforcement it flew very well just not well at slow speed.
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Old 09-19-2004, 05:13 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

Wow! 18K on a 10x7, I love the YS-45's---

You runnin' a Macs 7.5 or 8.5CC pipe?

My brother got ahold of a Patriot with a YS-45 we'll have to see how it performs!
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Old 09-26-2004, 10:31 PM
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Default RE: Sportsman Aviation F-20 Tigershark ARF

Which pipe is best for the Webra 50??.....never used one?...
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