GP Super Sportster 55ax  
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All Forums >> RC Airplanes >> ARF or RTF >> GP Super Sportster 55ax
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GP Super Sportster 55ax - 5/1/2008 6:46:54 PM   
phornight


 

Posts: 75
Joined: 10/18/2007
From: greenville, MI, USA
Status: offline 		I have almost finished my arf. Just need to pick a pilot and install the radio gear. The 55ax looks mean. I can't wait to break it in. I hope to borrow my friends camera for some picks and maybe a vid of the maiden. Has anyone flown this combo? What should I expect? OS is calling for a 13x6 prop for break in seems to me that is a little large. Any thoughts? Thanks Everyone..
       Post #: 1

RE: GP Super Sportster 55ax - 5/1/2008 6:48:08 PM   
phornight


 

Posts: 75
Joined: 10/18/2007
From: greenville, MI, USA
Status: offline 		Oops I forgot to mention I have done the landing gear modification.

(in reply to phornight)
       Post #: 2

RE: GP Super Sportster 55ax - 5/2/2008 1:35:16 AM   
mjg3


 

Posts: 35
Joined: 10/29/2007
From: debary, FL, USA
Status: offline 		i am flying this combo and its flys great!!! what landing gear did you use for the mod? any pics of the mod? i am flying mine with a zinger pro 11x 7 it pulls great.

(in reply to phornight)
       Post #: 3

RE: GP Super Sportster 55ax - 5/2/2008 5:24:27 AM   
ChuckW


 

Posts: 1613
Joined: 6/15/2006
From: Clovis, CA, USA
Status: offline 		I flew by SS ARF with a .46-AX and it was a very fast, fun little airplane. The .55 should be even better. I have flown the .55 on my Revolver and currently have one in My WM Rambler .45. It is hard to beat that engine. I also have the .75-AX on my kit built SS-60. It is an awesome combo.

As for the prop, it does sound a little big. I've run the .55 with a 12x7, 12x6 and 11x8 all with good results. I would follow the instructions for break in though.

(in reply to phornight)
       Post #: 4

RE: GP Super Sportster 55ax - 5/2/2008 5:03:31 PM   
phornight


 

Posts: 75
Joined: 10/18/2007
From: greenville, MI, USA
Status: offline 		My girl friend is on vacation. So she has the camera. I have been trying to borrow a friends. As soon as I get a hold of one I will post some pics. The gear came from my LHS. Actually I sent my gf to the LHS for some parts and instructed her to tell the guy what I wanted to do and he sent her home with this gear. I think it said something about kadet on the price tag. Can't wait to hear this thing scream.

(in reply to ChuckW)
       Post #: 5

RE: GP Super Sportster 55ax - 5/2/2008 6:32:52 PM   
phornight


 

Posts: 75
Joined: 10/18/2007
From: greenville, MI, USA
Status: offline 		Just came in from trying to break the engine in. Damn cheap screws that mount the engine to the engine mount. The head came clean off from one of them. Looks like I will be making a trip to the hardware.

(in reply to phornight)
       Post #: 6

RE: GP Super Sportster 55ax - 5/4/2008 3:35:32 PM   
mjg3


 

Posts: 35
Joined: 10/29/2007
From: debary, FL, USA
Status: offline 		did you fix it yet? how about some pics.

(in reply to phornight)
       Post #: 7

RE: GP Super Sportster 55ax - 5/4/2008 5:49:45 PM   
phornight


 

Posts: 75
Joined: 10/18/2007
From: greenville, MI, USA
Status: offline 		No I haven't fixed it yet. I'm to ticked off at it. I just set it aside. I'm going flying today so there won't be any time for repairs until tomorrow night. Picture are coming I will see my friend at the field today so hopefully I will be able to borrow his camera.

(in reply to mjg3)
       Post #: 8

RE: GP Super Sportster 55ax - 5/10/2008 7:05:28 PM   
phornight


 

Posts: 75
Joined: 10/18/2007
From: greenville, MI, USA
Status: offline 		Sorry that I have been away for a while. This girl has ticked me off. She has been a real struggle. One step forward two steps back type of crap. The list of minor repairs that I have had to make during the course of construction is amazing. Anyway she is going to the field with me in a matter of moments. Just thought you guys would want to know. Here are some pics. A couple of the gear conversion, you can't really see anything interesting but here they are. Thanks guys and wish me luck

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(in reply to phornight)
       Post #: 9

RE: GP Super Sportster 55ax - 5/10/2008 8:34:41 PM   
Deathbunny_SG


 

Posts: 148
Joined: 3/4/2008
From: , NJ, USA
Status: offline 		Maybe they suggest an oversized prop to keep the rpms down during breakin?

(in reply to phornight)
       Post #: 10

RE: GP Super Sportster 55ax - 5/11/2008 3:41:36 AM   
chashint


 

Posts: 835
Joined: 1/1/2002
From: Rowlett, TX, USA
Status: offline 		Maybe that is what they are doing or maybe its a noise control thing.
I guess there is nothing wrong with a 13x6 on this engine but it seems like a lot of prop to me for a 55 sized engine.
Just out of curosity I would like to know the RPM people can get with this engine and a 13x6.

_____________________________

regards,
Charlie

(in reply to Deathbunny_SG)
       Post #: 11

RE: GP Super Sportster 55ax - 5/11/2008 6:57:29 AM   
Kostas1



Posts: 1222
Joined: 12/19/2005
From: AthensAthens, GREECE
Status: offline 		phornight why are you so frustrated with the build?

The SS40 ARF build is straight-forward.
I see you changed l/gear,why this?
For me the stock gear/wheels worked/work just fine!

Don't be afraid running the 55AX at WOT because this little creature can stand way more!
I fly mine almost 3-1/2 years now with an OS 65LA and 11x6 APC...

Damn how quick she is!
2 days before i maidened my Giant SuperSportster with an OS 160FX and APC 17x10 prop.....you got to see this bitc@ flying!

So stable...so stable

Here are some pics,
Enjoy yours in good life!

Kostas
Greece


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(in reply to phornight)
       Post #: 12

RE: GP Super Sportster 55ax - 5/11/2008 6:11:26 PM   
phornight


 

Posts: 75
Joined: 10/18/2007
From: greenville, MI, USA
Status: offline 		I went out yesterday for the maiden flight. I ran a tank of fuel through the AX alternating between really rich and lean. Man the is a sweat sounding machine. Well after that I had to take a break and fly my Easy Sport. That flight went well. I decide it is time for the maiden. I taxied here around for a little bit. The prop has almost zero clearance so there was some ground strikes, had to restart the engine ounce. Got restarted pointed her into the wind eased into the throttle. I have been told because this is a low wing tail dragger to get plenty of wind speed before take off. So I use most of the run way. Well luck would have it at about six feet off the ground the engine shuts off. I didn't have enough wind speed to glide her back in. The wing stalled and she went in nose first. The wing came off like it designed little to no damage there. But the fuse didn't fare so well. The tail section is broken up a little. After a lot of cussing I packed up and went to cry in some beer!! She is back on the bench I hope to have her repaired some time today or tomorrow.

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(in reply to phornight)
       Post #: 13

RE: GP Super Sportster 55ax - 5/11/2008 9:20:17 PM   
checkmate91



Posts: 117
Joined: 4/21/2005
From: Essex, UNITED KINGDOM
Status: offline 		I have an OS55 AX in a Black Horse Super Air, similar sized aircraft but less lift on the wing than the Super Sportster, I would imagine. I've tried 11x8 and 12x6 (both APC) and much prefer the 12x6. You'll be able to pull h u g e loops on that aircraft...

(in reply to phornight)