im a fixed wing guy now - RCCanada - Canada Radio Controlled Hobby Forum
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Old 06-22-2015, 11:08 AM   #1
terry_2_u
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I am: Terry
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im a fixed wing guy now


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WELL, I went to a fun fly this weekend, I was there to meet up with a club member that flies helicopters and he was there and we had a great conversation and he is willing to help me out. My first trip to the clubs field I just went to check things out and talk to the guys there and basically take the temperature so to speak. The first trip there I was asked by the club president if I was considering fixed wing at all and I responded that perhaps at some point I might give it a whirl but for now I would be sticking with helicopters. WELL, at this fun fly they had a raffle so I decided to support the club and bought a single ticket. There was a table full of stuff there and all the guys that won took items 1 at a time till there was only 1 item left. I was kind of surprised that everyone seemed to keep taking every item except for this last one. Well they drew my ticket last and low and behold I found out why everyone had skipped this item, it turns out that its what they call a trainer, its huge, almost 8 foot wingspan. Well the president of the club kind of starts laughing because he remembered me from the previous visit and says "I guess you are a fixed wing guy now" so now I am going to be asking a whole lot of questions on here to try and figure out what I need to finish this thing and get it in the air. I will be posting some pics and asking help to identify the aircraft and start collecting the parts to finish it, right now its just an airframe.
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Old 06-22-2015, 11:28 AM   #2
habs992000
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Re: im a fixed wing guy now

Well the first question is....what model is it?
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Old 06-22-2015, 12:27 PM   #3
terry_2_u
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I am: Terry
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Re: im a fixed wing guy now

No idea, its an assembled kid so no documentation what so ever, wil get pics up as soon as possible
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Old 06-22-2015, 02:23 PM   #4
terry_2_u
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I am: Terry
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spektrum DX6i. looking at DX9 black edition
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Re: im a fixed wing guy now

I don't seem to be able to post pics to any posts, is that function restricted to paid members?
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Old 06-22-2015, 02:32 PM   #5
habs992000
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Re: im a fixed wing guy now

No...just click on go Advanced and at the bottom at a file...Note that iPads only allow 1 photo at a time....
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Old 06-22-2015, 03:52 PM   #6
terry_2_u
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Re: im a fixed wing guy now

ok got it now. found out the plane is home built, its not a kit. here are some pics. the wing span is 7'6" and the measurement at the tail is overall length
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Last edited by terry_2_u; 06-22-2015 at 03:55 PM. Reason: mor info
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Old 06-22-2015, 06:03 PM   #7
NEW222
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Re: im a fixed wing guy now

Wow. Good for you. I have to say that by looking quickly at your pictures, it almost appears that it has not been flown, and if it was, it was kept really clean.
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Old 06-22-2015, 06:53 PM   #8
terry_2_u
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I am: Terry
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Re: im a fixed wing guy now

has never had any electronics or an engine installed, its brand new. im here looking for help sizing engine and electronics
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Old 06-23-2015, 03:00 PM   #9
michaely
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Re: im a fixed wing guy now

Terry,

When I google "Saugeen 50th" ( written on the wing) no rc plane comes up but a link to the rc club at Saugeen and their 50th anniversary funfly, just over at this weekend, pops up.
Seems like someone well connected to the club made this plane and would have some good ideas on what power plant range and electronics were being considered. Note that the engine mount is already drilled for mounting lugs of an engine. Ask club members.

Is the wing airfoil flat bottom or semi symmetrical? Given the flat fuselage mounting surface for the wing I would assume a flat bottom airfoil.

The plane vaguely has the look of an enlarged, shoulder wing Carl Goldberg Sr. Falcon, which was an 1960s trainer for multi-channel electronics. That plane had a span of 69", an wing area of 810sqinches, used a .35 to .45 two stroke and an all up weight of 6 and quarter pounds. It had a semi symmetrical airfoil, though. A eight foot wing span Telemaster, long a great trainer, has a flat bottom airfoil.
The rudder and especially the placement of the lifting airfoil stab are really interesting. More knowledgeable people can comment on the lifting airfoil of the stab regarding how it may slightly shift the center of gravity but the airfoil contributes to lowering the "wing loading" and making the model more of floater.
I've seen slightly older model designs than the Falcon where this stab is used with only rudder and motor control, for example the Veco White Cloud which can be built as rudder and engine control or rudder, engine and elevator.

A .45 or tired .60 two stroke or a four stroke between .70 and .90 engine would be fine would be my guess and "standard" size economy analog servos of around 40 ounce/inches would be fine.

Personally I don't like rigid (aluminum) main landing gear hard bolted into the fuselage; no 'give' and a hard landing can tear out the wood mounting plate and surrounding fuselage bits. I would switch to 5/32" music wire with an "U" shaped mounting pattern with scrap plastic or metal straps across the wire bolting this rear landing gear to a ply plate at the bottom of the fuselage.
An alternative arrangement would be to keep the aluminum landing gear, "register" the landing gear to the ply plate with 1/8" breakaway dowels instead of the metal bolts and elastic band the landing gear to a couple of dowels located crosswise thru the fuselage sides, in the same manner that the wing secured with breakaway elastic bands.

Just my thoughts; others will have different ideas

good luck
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Newmarket, Ontario
MAAC 15048

Last edited by michaely; 06-23-2015 at 03:06 PM.
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Old 06-23-2015, 04:53 PM   #10
terry_2_u
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I am: Terry
Join Date: May 2015
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Radio of choice:
spektrum DX6i. looking at DX9 black edition
# of RCs: 3

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Re: im a fixed wing guy now

thanks for the thoughts mike, you are correct the wing is flat on the bottom. and yes, the plane was built by one of the older club members. I have since contacted the builder and asked the same questions. he said a .46 nitro motor would work fine, and 30 inch servos. I will probably go with the 40's as you suggested. there is a steering cable already installed so I assume it would be hooked on to the same servo as the rudder, please correct me if I am wrong there. I also assume seeing the aileron rods are placed so close together I would also be able to use 1 servo for both, or use 2 and have a y adapter for 4 channel receiver 0r if I use the 9 channel receiver that will be coming with my new DX9 I wont have to worry , I can use 2 servos and balance them with the radio as opposed to mechanical adjustments. again please correct me if I am wrong. I noticed what you meant about the solid mounted aluminum landing gear. can I brace it rather than go with the dowel mount?? Just realized you are in Newmarket, I grew up in Bond Head and am in alliston area now. parents still live in Bond Head, my dad is the crazy dude with all the Christmas lights rofl

Last edited by terry_2_u; 06-23-2015 at 04:54 PM. Reason: spelling
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