Giant Scale "Stinson 108" ARF - Page 2

fsheplavy · Jan 30, 2009, 12:19 AM

Quote:

Originally Posted by skypan12

Anyone know of a good lighting kit to put on this ship? it has to have some lights on it.

I have never done lights so don't really know which ones would be good fit for this project, any suggestions?

I've used the EDR system http://electrodynam.com/rc/EDR-117/index.shtml on my quarter scale Super Cub successfully. However I'm not sure how you would be able to install it in a covered airframe.
Fred

skypan12 · Jan 30, 2009, 01:07 AM

I was thinking for the wingtip to drill small hole and run/push a small dia sharpened carbon rod with the wire taped to it and it should get through the wing ribs to where I can attach to the servo wire for the ail to run rest of the way.

Surgery for the head light in the one wing may be required and a clear plastic over it as a lens.

just a thought.

steve2972 · Jan 30, 2009, 04:31 AM

Thanks Fed,much appreciated.
I didn`t receive a disc with my kit.Like I said I got a "part damaged Kit" from Eurolight in Germany,the only place I could find one.Too epensive to ship from Hobby Lobby to the Uk.Mind you I did get it cheap and the damaged wing should be repairable ok.

I`ll be going electric with same set-up as Hobby Lobby

Steve

skypan12 · Jan 30, 2009, 11:08 AM

The electric setup I am going with is a Hacker A60 18L CC HV110 esc running on 12S 5000 Lipo (cause I have them ) I have some 6s 5000 I can put together to make the 12S, and a Xoar 22 X 10 electric prop.

This may be a little much but I can always throttle back and would rather have a little extra power anyway.

I have some 2S 4250 lipos that I can use for the rec batt and the lights.

fsheplavy · Jan 30, 2009, 08:58 PM

I've completed the wings and would like to share what I found. Aileron and aileron servo installation is very straightforward. The flaps on the other hand presented some problems. First the travel required to obtain the specified flap deployment is very short. To get a reasonable servo throw I located the pushrod connection to the servo arm 15 mm from the servo output shaft center. This neccessitaited mounting the servo 1/2" below the servo cover to maintain a sraight run for the pushrod to the flap. Even after that I am using only 25% of the servo travel. The flap hinging is very touchy. The best way I found is to mount the hinges to the wing at the positions indicated by the pilot holes. then lay the wing on its upper surface. Shim up the leading edge till the surface at the trailing edge is flat on the table. Install the push rod attachment pin into the flap. Carefully put the flap in position so the outboard edge is aligned with the aileron cutout edge. Push the flap toward the wing trailing edge till it just makes contact. Put one screw in the inboard hinge and one in the outboard hinge. At this point, lift the wing from the table keeping the lower surface up. Lay a straight edge on the wing. There should be a slight to no more than 1/16" gap between the straight edge and theflap trailing edge. This is important, if the trailing edge touches the straight edge, this may stall the servo before the flap reaches the full up position. Do any ajustment neccessary to get the gap then put in the remaiming screws. Don't forget to remove the screws and put a drop of CA into the screw holes and reinstall the screws.
When I checked out the fuse, I found that I could not get the engine mounting box loose from the fuselage. It turned out that the epoxy used for the construction must have been a bit sticky when they slid the box into the fuse for shipping. Fortunately, I was able wedge a pallette knife into the joints to cut box loose.
Next, I'll be working on installing the elevator servo inside the fuselage.
Later
Fred

skypan12 · Jan 30, 2009, 09:11 PM

This is great Fred is there any chance of some pictures ? I will be following this very closely as mine should be here in a few weeks.

Jeff

B Rocka · Feb 03, 2009, 08:58 PM

Quote:

Originally Posted by steve2972

Hi B Rocka,
I`ve got one of these Artf`s ........
Steve

Hi Steve, Sorry I never got back with you, I didn't realize this thread had any action since I posted last. But I see Fred has helped.

I still have yet to start on mine, but the new shop should be ready any day now, and I'll actually have space to work on it.

But so no one knows what would be the best gas engine for this bird?

fsheplavy · Feb 03, 2009, 11:36 PM

Quote:

Originally Posted by skypan12

This is great Fred is there any chance of some pictures ? I will be following this very closely as mine should be here in a few weeks.

Jeff

Just a couple of photos so far. One shows the flap servo and the other shows the gap between a straight edge held on the flat portion of the wing and the trailing edge of the flap with the linkage disconnected. This is to prevent stalling the flap servo.
Now working on the elevator servo installation replacing the OEM method. My two servos will be completely inside the fuse. It wont be exactly what I would like, but the location of the horizontal stab up on the vertical stab complicates things. Photos will follow.
Fred

skypan12 · Feb 04, 2009, 12:07 AM

Thanks Fred, Photos really help on something like this, look forward to the elevator servo installation photos.

I did get my light set up ordered up so I am getting things in order here, I like to have all the components when I start a project.

fsheplavy · Feb 04, 2009, 12:39 AM

Quote:

Originally Posted by skypan12

Thanks Fred, Photos really help on something like this, look forward to the elevator servo installation photos.

I did get my light set up ordered up so I am getting things in order here, I like to have all the components when I start a project.

Steve,
One note, the servo arm on the flap servo is trimmed in length so it doesn't hit the upper wing surface. The pushrod is attached 15 mm from the servo output shaft center and the excess arm removed.
Fred

steve2972 · Feb 04, 2009, 04:37 AM

Quote:

Originally Posted by B Rocka

Hi Steve, Sorry I never got back with you, I didn't realize this thread had any action since I posted last. But I see Fred has helped.

I still have yet to start on mine, but the new shop should be ready any day now, and I'll actually have space to work on it.

But so no one knows what would be the best gas engine for this bird?

No Probs B rocka.
I`m going electric with the Stinson,but for gas I would say a 50cc would haul her around nice.In Europe a Zenoah 80 twin has also been used,but I think this is alittle over kill.

I`m watching how Fred gets on with the build before I attempt mine as I didn`t even get the cdr construction movie!

Steve

Steve

fsheplavy · Feb 13, 2009, 11:12 PM

I've been working diligently on the elevator servo instalation. Unfortunatly, the ideas didn't pan out. As of now, I an working on putting the servo in the horizontal stab in much the same way the aileron servos are installed in the wing. The major problem being that the area where the servo will be placed has a curved surface so the servo must be mounted to the under side of stab upper surface and yet be removable for servicing. Soon as I figure this out I'll post the results.
Fred

steve2972 · Feb 16, 2009, 03:00 AM

Hi Fred,
I`m having real problems trying to get the assembly instruction cd rom.
Would there be any chance that you could maybe burn me a copy and post to me.I would of course refund costs/postage plus a drink for you

Seems like Green Models (the manufacture) don`t want to know

If this is not possible any other help or suggestions would be welcome.

ta

Steve

skypan12 · Feb 16, 2009, 09:52 AM

Steve,

If Fred isn't able to help you out I just received my kit last week and I do have the DVD that came with my kit, I can burn you a copy and send it to you if you would like also, it is a little vague but non the less is something rather than nothing.

PM me we can work out the details if you would like.

Jeff

steve2972 · Feb 20, 2009, 05:38 AM

Here`s a link to the Eurolight vid of the Stinson 108-80cc Boxer twin!

http://media.rc-network.de/showphoto.php/photo/3382

Jan 30, 2009, 08:58 PM	#20
fsheplavy Registered User Join Date: Aug 2003 Location: Eastlake, OH Posts: 112	Build experience I've completed the wings and would like to share what I found. Aileron and aileron servo installation is very straightforward. The flaps on the other hand presented some problems. First the travel required to obtain the specified flap deployment is very short. To get a reasonable servo throw I located the pushrod connection to the servo arm 15 mm from the servo output shaft center. This neccessitaited mounting the servo 1/2" below the servo cover to maintain a sraight run for the pushrod to the flap. Even after that I am using only 25% of the servo travel. The flap hinging is very touchy. The best way I found is to mount the hinges to the wing at the positions indicated by the pilot holes. then lay the wing on its upper surface. Shim up the leading edge till the surface at the trailing edge is flat on the table. Install the push rod attachment pin into the flap. Carefully put the flap in position so the outboard edge is aligned with the aileron cutout edge. Push the flap toward the wing trailing edge till it just makes contact. Put one screw in the inboard hinge and one in the outboard hinge. At this point, lift the wing from the table keeping the lower surface up. Lay a straight edge on the wing. There should be a slight to no more than 1/16" gap between the straight edge and theflap trailing edge. This is important, if the trailing edge touches the straight edge, this may stall the servo before the flap reaches the full up position. Do any ajustment neccessary to get the gap then put in the remaiming screws. Don't forget to remove the screws and put a drop of CA into the screw holes and reinstall the screws. When I checked out the fuse, I found that I could not get the engine mounting box loose from the fuselage. It turned out that the epoxy used for the construction must have been a bit sticky when they slid the box into the fuse for shipping. Fortunately, I was able wedge a pallette knife into the joints to cut box loose. Next, I'll be working on installing the elevator servo inside the fuselage. Later Fred

Feb 13, 2009, 11:12 PM	#27
fsheplavy Registered User Join Date: Aug 2003 Location: Eastlake, OH Posts: 112	Stinson build I've been working diligently on the elevator servo instalation. Unfortunatly, the ideas didn't pan out. As of now, I an working on putting the servo in the horizontal stab in much the same way the aileron servos are installed in the wing. The major problem being that the area where the servo will be placed has a curved surface so the servo must be mounted to the under side of stab upper surface and yet be removable for servicing. Soon as I figure this out I'll post the results. Fred

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Jan 30, 2009, 01:07 AM	#17
skypan12 Registered User Join Date: Sep 2006 Location: Northern IL Posts: 206	I was thinking for the wingtip to drill small hole and run/push a small dia sharpened carbon rod with the wire taped to it and it should get through the wing ribs to where I can attach to the servo wire for the ail to run rest of the way. Surgery for the head light in the one wing may be required and a clear plastic over it as a lens. just a thought.

Jan 30, 2009, 04:31 AM	#18
steve2972 Registered User Join Date: Apr 2006 Location: UK Posts: 81	Thanks Fed,much appreciated. I didn`t receive a disc with my kit.Like I said I got a "part damaged Kit" from Eurolight in Germany,the only place I could find one.Too epensive to ship from Hobby Lobby to the Uk.Mind you I did get it cheap and the damaged wing should be repairable ok. I`ll be going electric with same set-up as Hobby Lobby Steve

Jan 30, 2009, 11:08 AM	#19
skypan12 Registered User Join Date: Sep 2006 Location: Northern IL Posts: 206	The electric setup I am going with is a Hacker A60 18L CC HV110 esc running on 12S 5000 Lipo (cause I have them ) I have some 6s 5000 I can put together to make the 12S, and a Xoar 22 X 10 electric prop. This may be a little much but I can always throttle back and would rather have a little extra power anyway. I have some 2S 4250 lipos that I can use for the rec batt and the lights.

Jan 30, 2009, 09:11 PM	#21
skypan12 Registered User Join Date: Sep 2006 Location: Northern IL Posts: 206	This is great Fred is there any chance of some pictures ? I will be following this very closely as mine should be here in a few weeks. Jeff

Feb 04, 2009, 12:07 AM	#24
skypan12 Registered User Join Date: Sep 2006 Location: Northern IL Posts: 206	Thanks Fred, Photos really help on something like this, look forward to the elevator servo installation photos. I did get my light set up ordered up so I am getting things in order here, I like to have all the components when I start a project.

Feb 16, 2009, 03:00 AM	#28
steve2972 Registered User Join Date: Apr 2006 Location: UK Posts: 81	Hi Fred, I`m having real problems trying to get the assembly instruction cd rom. Would there be any chance that you could maybe burn me a copy and post to me.I would of course refund costs/postage plus a drink for you Seems like Green Models (the manufacture) don`t want to know If this is not possible any other help or suggestions would be welcome. ta Steve

Feb 16, 2009, 09:52 AM	#29
skypan12 Registered User Join Date: Sep 2006 Location: Northern IL Posts: 206	Steve, If Fred isn't able to help you out I just received my kit last week and I do have the DVD that came with my kit, I can burn you a copy and send it to you if you would like also, it is a little vague but non the less is something rather than nothing. PM me we can work out the details if you would like. Jeff

Feb 20, 2009, 05:38 AM	#30
steve2972 Registered User Join Date: Apr 2006 Location: UK Posts: 81	Here`s a link to the Eurolight vid of the Stinson 108-80cc Boxer twin! http://media.rc-network.de/showphoto.php/photo/3382