RE: New Giant GP Super Sportster!!!!!  
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All Forums >> RC Airplanes >> ARF or RTF >> RE: New Giant GP Super Sportster!!!!!
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RE: New Giant GP Super Sportster!!!!! - 1/29/2008 1:10:30 PM   
ckangaroo70



Posts: 2084
Joined: 10/3/2003
From: London Mills, IL, USA
Status: offline
quote:

ORIGINAL: tazzzz

Ive got a G-38 in mine Cant wait for the maiden. BTW,, I read where someone mounted a fuselage landing gear, do you know who it was? Id like to get a picture of that ,sounds like the way to go.


I have built a couple of the Super Sportster 90/120's from kit, and I always mounted the gear forward of the wing. This always seemed to work out well. The problem you are going to have tazzzz with the Giant SS ARF is that you don't need anymore weight moved forward with a G38 mounted on the nose. I have a G38 on my Giant SS ARF as well and it pulls the Plane around great, but it is on the heavy side and moving the gear forward is only going to make matters worse. About the only way I could move the gear forward on mine is if I switched my G38 over to Electronic Ignition, or otherwise I would be adding another good chunck of lead to the tail to get it to balance. Let me know if you try it and how it works, but I do think you will find it hard to balance if you shift anymore weight forward.

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(in reply to tazzzz)
       Post #: 326

RE: New Giant GP Super Sportster!!!!! - 1/29/2008 1:16:46 PM   
tazzzz


 

Posts: 276
Joined: 3/12/2007
From: wilmington, NC, USA
Status: offline 		Yea ,I thought of that,,I had to add 8oz to the tail to make it right, cause that engine is a little heavy, Ill probably reinforce the gear that I have, have to think about that one. Thanks--TAZZZZ

(in reply to ckangaroo70)
       Post #: 327

RE: New Giant GP Super Sportster!!!!! - 1/29/2008 1:34:56 PM   
ckangaroo70



Posts: 2084
Joined: 10/3/2003
From: London Mills, IL, USA
Status: offline 		Well mine has around 8oz in the tail as well, but don't feel to glum about that heavy G38 because it really is a good engine on the Giant SS and that big ole thick wing don't seem to mind the extra weight at all. In fact it may even help it some as a really light Giant SS would be almost impossible to bring down due to the fact that they are a bit of a floater anyhow. Mine flys great, and is easy to land. I would just recommend adding a bit more epoxy to those landing gear blocks in the wing. Whoever made the Plane for Great Planes wanted to save 2 cents by only putting a thimbles worth of epoxy on each side. Really goop the stuff in there. Like I said, the Giant SS is not going to be no 3D machine and with all that lift and good design a little extra weight isnt going to hurt a thing. You can be out there flying on those windy days when the others guys with there feather light giant machines are worried about getting blown away!LOL

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(in reply to tazzzz)
       Post #: 328

RE: New Giant GP Super Sportster!!!!! - 1/29/2008 1:47:39 PM   
tazzzz


 

Posts: 276
Joined: 3/12/2007
From: wilmington, NC, USA
Status: offline 		thanks,, although, Ive been thinking (can youfeel the heat)? Imight just try the fuse gear after all because Im going to the dual pack 6v system,so I can off-set the balance with the batteries,,I meant to ask you,,,what main gear did you use on yours, what plane was it from? TAZZZZ

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       Post #: 329

RE: New Giant GP Super Sportster!!!!! - 1/29/2008 1:54:56 PM   
ckangaroo70



Posts: 2084
Joined: 10/3/2003
From: London Mills, IL, USA
Status: offline 		Well the Super Sportster 90/120's were a bit smaller than the Giant SS ARF's we currently have, but for them I used the replacement gear from a Hangar 9 Funtana 90. I think the Giant SS would probally require something a bit larger and stouter. If a guy had the extra cash to spend, maybe a nice Carbon Fiber set from some place like Troy Built Models would work well. I know Troy Built has a nice set of Carbon Fiber Wheel Pants I have been saving for!LOL

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(in reply to tazzzz)
       Post #: 330

RE: New Giant GP Super Sportster!!!!! - 1/29/2008 10:53:28 PM   
SBrian



Posts: 65
Joined: 4/14/2006
From: Bedford, NH, USA
Status: offline 		Well, I thought you guys might like the looks of these semi custom landing gears made from a GP Super Stearman that went down in flames last season. I cut the center out to reduce the width then molded the upper portion of the gear to contour the wings and fuselage. Let me know what you think.

Best regards

Steve

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(in reply to tazzzz)
       Post #: 331

RE: New Giant GP Super Sportster!!!!! - 1/29/2008 11:48:17 PM   
Bretd123


 

Posts: 278
Joined: 1/15/2007
From: Boiling Springs, SC, USA
Status: offline 		i want an engine for my giant super sportster and dont know weather to go with gas or glow. what are the ups and downs of these engines. i heard gas is much cheaper to run than glow. if i go with gas would a Fuji Imvac BT-32B 32cc Gas Engine be a good choice or are there better options? Zenoah? Is a gas engine going to be more reliable? would a dx 7 work with a gas engine?

< Message edited by Bretd123 -- 1/30/2008 12:04:59 AM >

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RE: New Giant GP Super Sportster!!!!! - 1/30/2008 12:17:25 AM   
tazzzz


 

Posts: 276
Joined: 3/12/2007
From: wilmington, NC, USA
Status: offline 		SBrian,,outstanding job man,,,I only wiah I had your patience,,,Im really not that creative,,,some of the time maybe.

what did you mean by cutting out the center?Im not quite sure I understood. Would you let me know how you did that?


appreciate it TAZZZZ

(in reply to SBrian)
       Post #: 333

RE: New Giant GP Super Sportster!!!!! - 1/30/2008 1:17:05 AM   
SBrian



Posts: 65
Joined: 4/14/2006
From: Bedford, NH, USA
Status: offline 		The Super Stearmans landing gear is a one piece unit. Cut the gear in half so you have a left and a right and remove about a ½” from each half near the center line to fit the fuselage. The original gear is too wide for the SS fuselage. I spent about an hour and half on bodywork and with paint the total time oh about 4hrs.

The gear is recessed in the fuselage about ½” to hide the bolts.

Steve

(in reply to tazzzz)
       Post #: 334

RE: New Giant GP Super Sportster!!!!! - 1/30/2008 5:51:38 AM   
Ed Cregger



Posts: 7752
Joined: 1/31/2002
From: Ringgold, GA, USA
Status: offline
quote:

ORIGINAL: ckangaroo70


quote:

ORIGINAL: tazzzz

Ive got a G-38 in mine Cant wait for the maiden. BTW,, I read where someone mounted a fuselage landing gear, do you know who it was? Id like to get a picture of that ,sounds like the way to go.


I have built a couple of the Super Sportster 90/120's from kit, and I always mounted the gear forward of the wing. This always seemed to work out well. The problem you are going to have tazzzz with the Giant SS ARF is that you don't need anymore weight moved forward with a G38 mounted on the nose. I have a G38 on my Giant SS ARF as well and it pulls the Plane around great, but it is on the heavy side and moving the gear forward is only going to make matters worse. About the only way I could move the gear forward on mine is if I switched my G38 over to Electronic Ignition, or otherwise I would be adding another good chunck of lead to the tail to get it to balance. Let me know if you try it and how it works, but I do think you will find it hard to balance if you shift anymore weight forward.



-------------


Just curious, Changaroo, do you have your receiver battery behind the wing in the fuselage? Building a battery box back there is very easy and can help ease the nose heavy problem. I've done this when powering forty sized model with a sixty sized engine way back when. Works for me.


Ed Cregger


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(in reply to ckangaroo70)
       Post #: 335

RE: New Giant GP Super Sportster!!!!! - 1/30/2008 7:49:31 AM   
Kostas1



Posts: 1230
Joined: 12/19/2005
From: AthensAthens, GREECE
Status: offline 		Best setup i've ever seen so far!

+1

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       Post #: 336

RE: New Giant GP Super Sportster!!!!! - 1/30/2008 1:15:40 PM   
tazzzz


 

Posts: 276
Joined: 3/12/2007
From: wilmington, NC, USA
Status: offline 		Looks good, what is the distance between the wheels (wheel base) TAZZZZ

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       Post #: 337

RE: New Giant GP Super Sportster!!!!! - 2/1/2008 9:01:21 AM   
Delta3


 

Posts: 70
Joined: 9/10/2007
From: Toowoomba, AUSTRALIA
Status: offline 		The Saito 180 is a good engine but here in australia they are expensive. The better option is the OS 200 fs with a 18-8 prop. A bloke at our club put a 160 gemini twin cyl and it flies terific. Also the under carriage assembly is very stiff for a large model. A mate of mine is an engineer and he designed and built a custom undercarriage that was perfect.
With the colour contrast go to your local pinstriper or signwriter and get some black sticky covering. Make your strips 2 inches wide and space them 4 in apart

(in reply to ckangaroo70)
       Post #: 338