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

News Flash-.40 ARF F-20 Returns

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Old 08-03-2002, 03:50 PM
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Flyboy Dave
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Default News Flash-.40 ARF F-20 Returns

Looks like Kangke Industrial, USA is selling the old "Cermark" F-20, 40-size ARF for $197.77. It doesn't say if it comes with the spinner. No retracts. Straight 4-channel rig...

I think mine does about 125-135 or so with a Rossi .45 long-pipe.
Just right for "medium" SPEED FREAKS !
http://www.kangkeusa.com/
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Old 08-03-2002, 04:56 PM
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Razor-RCU
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Default Hmmm..

Would you recommend that over the 60 sized arf? They seem to be the same price but the 60 comes w/retracts and spinner right?

Lata,
james
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Old 08-03-2002, 05:23 PM
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Flyboy Dave
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Default Decisions...Decisions....

The .60 is more plane for the money, and does come with retracts, and the spinner...It is a lot of work....

The .40 is a simple, fast reliable plane , and is a lot less hastle...

I like 'em both...
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Old 08-03-2002, 05:30 PM
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Razor-RCU
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Default Question...master!

What do you think of the 40 size in comparison with the Lanier F-4 Phantom ARF?

It is supposed to be a sweet ARF>.
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Old 08-03-2002, 05:54 PM
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Flyboy Dave
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Default Might be a toss-up

I don't know much about the Lanier...but the guys who have 'em, love 'em.

The .40 size is 55" long, and the .60 is 66" long.
That might be a consideration...
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Old 08-03-2002, 06:12 PM
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Razor-RCU
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Default size?

For the trunk of my car you mean...

I have heard the finish on the F-4 is outstanding...Fiberglass fuse etc.

Thanks for the pics and info.
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Old 08-03-2002, 11:31 PM
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Cyclic Hardover
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Default News Flash-.40 ARF F-20 Returns

I built the This DC F-20. Came as an "ARC" This big Cermark is no better or worse. Actually it is easier since there is more room to work.
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Old 08-09-2002, 05:21 PM
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JET FX
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Default F20/40size

All I can say is it is a great sports model with good jet like flying capabilities. It probably is going to be a bit quicker than the 60 size version IMHO, especially if you shoe horned a 60 size donk in up front. Mine is 4 Y.O. and still going strong ....I installed a O.S. 61 in mine. Makes a great D/F or turbine practice model.
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Old 08-12-2002, 12:04 AM
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Flyboy Dave
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Default Yo, Marty......

Nice job on the .40....looks good.
I agree, the .40 with a good motor is plenty fast.
Are you running the FSR ? I assumed you were...cause the FX is no match for the old .60 FSR.

I hope my .40 lasts as long as your's...it is a dead-bolt reliable..."hoot" plane.
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Old 08-12-2002, 12:57 AM
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JET FX
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Default O.S.61 FSR

Dave, its an oldy but a goodie! I have had this engine since the early eighties and its now on its second set of bearings, hundreds of flights and many different models she is still going strong... : )

Cheers
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Old 08-12-2002, 02:06 AM
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Flyboy Dave
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Default God bless the .60 FSR...

I'm with you, ozcan....I love 'em too....
I have a "brand new" one I put up this year in a (get this) Super Kaos....had to....couldn't help it....been sittin' on the engine, and the kit for about 20 years...

I just rebuilt my old one....that I got slightly used in the late '70's. I ran it continuosly for 15 years. It had NO COMPRESSION at the end....but started and ran fine ! I put a Tatone muffler on it a while back....and the darn thing would still pull my old scratch-built stick straight up !!!
I got a new cylinder liner, and piston from a fella in Canada, also a gasket set. Got a new ring from Tower. The rod was in perfect shape....NO PLAY ! I got some new bearings for it locally...some crazy 25-30 thousand RPM rated bearings for reasonable $.
(BTW....if you ever need any bearings...let me know....these guys have a store in So. Cal. that spec. in small precision high speed brgs.)

Here's the new "oldie"...reborn...and ready to kick some more modern " booty". It's going in a Killer Kaos that I'll build this winter....(I have the long tuned pipe for it). I pulled the rear pump off...never used it anyway, cause of the Perry Carb Fiasco...
( gonna skinny up the fuse about 1/2 inch....and "de-fatten" the wing about 3/8 inch...don't tell anyone ). heh heh heh
Dave.
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Old 08-12-2002, 03:47 AM
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Razor-RCU
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Default Hmmm

Looks like alot of work! Pretty sweet though. Did you see my thread on the VECO 61? This engine has virtually no compression, but I decided to torch it off recently and...WOW, this motor is an animal!

Anyhow, How many Cermark F-20's (60 size..)do you have now??
Nice pile..

james
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Old 08-12-2002, 04:21 AM
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Flyboy Dave
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Default Labor of Love...

It wasn't so bad....the hard part was gettin' the crankcase and head cleaned up.
No, I didn't see the Veco thread....where?
I'm a K&B lover from way back...."Stallion .35 control line motors".
Brand new...$ 9.95......(late sixties)

Still run the "late" .61's, with the small...improved muffler, running Magnum carbs....sweet.

I know where theres a couple of .60 Cermark F-20's...if you want one....

Finished O.S. .60 FSR, pay no attn. to the prop, and carb., check the flow-thru pipe.... :stupid:
Dave....
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Old 08-16-2002, 02:27 AM
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FlooredCOBRA
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Default News Flash-.40 ARF F-20 Returns

a guy at our field has one of them mufflers. was first time i seen it. does it make any difference?
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Old 08-16-2002, 02:46 AM
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Flyboy Dave
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Default Yes...more suds...

When I put the pipe on, the motor was clapped-out and had hardly any compression....but still started and ran OK. It gave about a 1/3 boost in power. I don't know what it would have done for a good motor...but I'm certain it would have given a boost over the stock muffler.

It's called a Tatone muffler....I keep an eye peeled for them at swaps....
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Old 08-16-2002, 08:35 PM
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FlooredCOBRA
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Default News Flash-.40 ARF F-20 Returns

Tatone, okay thats what its called. One thing I liked is the way it sounds compared to a regular muffler.
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Old 08-17-2002, 08:50 PM
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Default News Flash-.40 ARF F-20 Returns

Flyboy Dave, Just as a point of intrest I happen to know that Kangke made them for Cermark from the begining. I bought one about 3 years ago and the instructions said Kangke but it came in a Cermark box, later versions the instructions said Cermark on the cover page but the rest of the instructions were Kangke.
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