RE: PHOENIX MODELS F-20 TIGERSHARK ?  
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RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/3/2006 9:46:05 AM   
uav-oscar


 

Posts: 100
Joined: 3/13/2003
From: ankara, TURKEY
Status: offline 		Bigger prop + more h.p. = more speed ?? + I also have an OS 91 fx engine = cheaper then buy a new 50 or 60 size

only question if the airframe strong enough or not???

thnx

Oscar

(in reply to nitro-pilot)
       Post #: 276

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/3/2006 2:07:47 PM   
nitro-pilot


 

Posts: 389
Joined: 5/5/2004
From: Palm Bay, FL, USA
Status: offline 		I didn't realize bigger prop provided more speed, I thought rpm and pitch were the idea? I'm sure you pick up some speed, but weight and high rev engines were the real advantage. Any engineers online to help out further?

(in reply to uav-oscar)
       Post #: 277

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/5/2006 4:37:19 PM   
nchrome


 

Posts: 703
Joined: 3/27/2002
From: Galesburg, IL, USA
Status: offline 		Okay you speedfreaks gots a question for you all to possibly answer. Do any of you guys have a photo of the tail cones or exhaust of a F-20 Tigershark. I'm doing a little more stand off scale and don't have any photos to try to duplicate it. Don't know for sure how fast mine will be cause I'm going to use a Fox 75 on mine with a 13/8 prop.

(in reply to nitro-pilot)
       Post #: 278

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/5/2006 10:28:21 PM   
Cyclic Hardover



Posts: 7238
Joined: 5/7/2002
From: New Mexico, USA
Status: offline 		YOu may know this already but in case you don't. Do you mean the actual F-20 or the F-5? I think Kangke and Cermark F20 are actual F 20 backends where as their is only one single tail cone. All the others that have like a flat back end represent the F-5 series which was a twin engine.

_____________________________

Retired Army Aviator - Excuse Me! You sold me a hair with a cake around it!

(in reply to nchrome)
       Post #: 279

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/6/2006 11:03:19 AM   
hummingbird111



Posts: 338
Joined: 2/27/2005
From: Nashville, TN, USA
Status: offline 		here's a shot of the Sportsman Aviation version... i added the two tail cones...

Attachments
Click to see fullsize image.
Click for fullsize 		Click to see fullsize image.
Click for fullsize

(in reply to Cyclic Hardover)
       Post #: 280

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/6/2006 2:12:10 PM   
nchrome


 

Posts: 703
Joined: 3/27/2002
From: Galesburg, IL, USA
Status: offline 		That's what I'm looking for thanks. Just a little twerk in the back of my head that I wanted to do. This will do just fine. Mines going to be done in a gloss gray and possibly panel lines and fixed gear. Another flyer in the club has one of these and his realy burns holes in the sky. Now all we have to do is patch the sky after he flys.

(in reply to hummingbird111)
       Post #: 281

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/6/2006 9:49:25 PM   
Cyclic Hardover



Posts: 7238
Joined: 5/7/2002
From: New Mexico, USA
Status: offline 		If you go to McDonalds and get those plastic Ketchup cups, they fit just right for a set of tail cones

_____________________________

Retired Army Aviator - Excuse Me! You sold me a hair with a cake around it!

(in reply to nchrome)
       Post #: 282

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/7/2006 8:34:25 PM   
GMoneyPit



Posts: 297
Joined: 5/30/2005
From: Albuquerque, NM, USA
Status: offline 		Can someone post a link to where Jett engines can be purchased?

Thanks,
Gary

(in reply to Razor-RCU)
       Post #: 283

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/7/2006 10:26:19 PM   
bob27s



Posts: 4924
Joined: 4/9/2002
From: Cleveland, OH, USA
Status: offline
quote:

ORIGINAL: GMoneyPit

Can someone post a link to where Jett engines can be purchased?

Thanks,
Gary


www.jettengineering.com

Bob


_____________________________

Bob Brassell
Jett Engineering - Engine Mfg Support Forum Host

(in reply to GMoneyPit)
       Post #: 284

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/7/2006 10:28:33 PM   
vicman



Posts: 6448
Joined: 12/8/2002
From: Valdese, NC, USA
Status: offline 		I almost did that but didn't want to steal Bob's thunder.


_____________________________

Bigger Badder Meaner Faster!
Revver Brotherhood & NMPRA #41

(in reply to bob27s)
       Post #: 285

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/8/2006 3:49:03 PM   
bob27s



Posts: 4924
Joined: 4/9/2002
From: Cleveland, OH, USA
Status: offline
quote:

ORIGINAL: vicman

I almost did that but didn't want to steal Bob's thunder.

Thanks...... my thunder is my life

(sad huh.... )


_____________________________

Bob Brassell
Jett Engineering - Engine Mfg Support Forum Host

(in reply to vicman)
       Post #: 286

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/8/2006 3:58:59 PM   
vicman



Posts: 6448
Joined: 12/8/2002
From: Valdese, NC, USA
Status: offline 		Here is a neat cut-away if anyone is interested.

Attachments
Click to see fullsize image.
Click for fullsize



_____________________________

Bigger Badder Meaner Faster!
Revver Brotherhood & NMPRA #41

(in reply to bob27s)
       Post #: 287

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/10/2006 5:06:12 PM   
GMoneyPit



Posts: 297
Joined: 5/30/2005
From: Albuquerque, NM, USA
Status: offline 		I understand that one of the best engines for this plane is one of the Jett engines. Many of you have tried running an OS 46FX before switching to the Jett or other engine. What kinds of speeds would one expect with a properly propped 46FX with no special exhaust, just a Tower tuned pipe (the $15 job)? I'm in GA at about 300' elevation.

Thanks,
Gary

(in reply to HaveBlue)
       Post #: 288

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 8/10/2006 5:41:14 PM   
Kmot



Posts: 7865
Joined: 6/11/2003
From: Northridge, CA, USA
Status: offline
quote:

ORIGINAL: vicman

Here is a neat cut-away if anyone is interested.

Just goes to show how un-F20 like our planes are!

_____________________________

DRILL BABY DRILL!!!

(in reply to vicman)
       Post #: 289

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 9/8/2006 2:10:03 AM   
mlitt12345


 

Posts: 15
Joined: 8/25/2006
From: Newton, AL, USA
Status: offline 		Hello all, I have a Phoenix F20 on the way from tower hobbies, I have been reading the forums and am still undecided on engine set-up, so any help-advice very much appreciated. I cant afford a Jett engine at this time but can stand adding a jett $49 muffler to a cheaper engine. So here are some of the engines I'm thinking about but need help deciding which combo works best I do want as much speed as possible and what props to use also...............thanks mlitt12345

OS50sx $159 1.8 power / 17000rpm weight 13.7oz w/o muffler

OS46ax $114 1.65 power / 16000rpm weight 13.2oz w/o muffler

OS40fx $110 1.36 power / 16000rpm weight 13.6oz w/o muffler

G51 $80 1.48 power / 15500rpm weight 12.7oz w/o muffler

TT46 $88 1.43 power / 16000rpm weight 17.1oz with muffler



< Message edited by mlitt12345 -- 9/8/2006 2:11:02 AM >

(in reply to crasharama)
       Post #: 290

RE: PHOENIX MODELS F-20 TIGERSHARK ? - 9/8/2006 2:55:28 AM   
Logan X


 

Posts: 21
Joined: 7/6/2006
From: casibari, ARUBA
Status: offline 		People at this model it is possible to be put retract to eliminate drag?

(in reply to mlitt12345)