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General control line discussion => Open Forum => Topic started by: James Holford on July 03, 2015, 05:08:14 PM
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Just picked up this kit to start moving into the big boy planes...nice little $30 buy from local shop.
My question is there any actual plans for this kit other than the poster sized paper of illustrations to build?
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Didn't the kit come with full size plans to build the wing? I thought most Sig kits came with full size plans, I know the Twister did.
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My kit just has the illustrations. Look at the wing parts -- maybe they key together well enough that you don't need full sized plans?
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On these type kits without full size plans, it is a good idea to trace all the parts on back of the instructions so you can create replacement parts if/when necessary.
George
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When all else fails, read the instructions! y1 The leading edge is notched for the ribs at proper spacing, and the instructions tell you to use the instruction sheet boarder lines to initially square the structure up. A typical easy does modification for the Akromaster is to leave the leading and trailing edges alone and not trim them to length, and cut a couple of ribs from scrap to increase the wing span and wing area. Lots of engine combinations work well with this airplane, which is just another great design to come out of SIG over the years. Flies well without flaps. Built light enough with a 1/4" this fuselage and I'll bet a properly set up .061 would fly the thing! I hope to try that myself here someday.
Good luck and have fun,
Dan McEntee
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I have a Enya .15IV and OSMAX. 10 that both need venturi ' s ;)... but I think it's rated .15-.19
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I'm building one to be powered by an OS FP 10. A club mate has one with an OS FP 15 and a tongue muffler.
Last time I saw it—in an attempt to tame the engine—there was only one hole in the muffler open.
There are little support blocks on the sheets of 1/8 balsa that support the slotted LE and TE and the ribs fit into slots.
Certainly follow the advice and not cut the LE and TE short as the instructions say.
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I have a Enya .15IV and OSMAX. 10 that both need venturi ' s ;)... but I think it's rated .15-.19
Pre-Schneurle .15 to .19. An OS FP20 may be a bit much for it, in a rip-the-wings-off sort of way. I suspect a 10LA would be perfect, or an ASP Wasp 10.
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Also have a OS20FP but that will be for another project later..
I think my OS.10 is FP as well....
The Enya .15 and OS.10 both have a r/c carb on it. I know the Enya is a work horse as I managed to pull a .60 big stick 100yrds before it finally crashed lol.
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James
I use an Enya 19-V on mine and it flies great.
I also used the FULL LENGTH leading and trailing edges for the wing.
I cut out 2 additional ribs for the remaining portion of the the LE and TE
and glued them in to place then added the wing tips.
Adds more wing area and it handles very nicely.
I also left off the TE fixed flaps as I hate trying to get them aligned.
Carl
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I built one for a Fox 15 (with the extended LE & TE), I'm not at all happy with it. Maybe be better with the muffler off? The Fox seems to lack enough grunt, or maybe I need to fly it on lines shorter than 52'.
Most of the time it hangs forgotten in the workshop, and I happily fly Peacemakers and my Ringmaster.
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I have one I fly with an old OS.15. Fun little plane.
Mr. Bob
Countyline Hobbies
Grovertown, IN.
5740540-1123
countylinehobbies@yahoo.com
www.countylinehobbies.com
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I use a Fox 19 w/o muffler with a 2" tail extension to balance and flaps. It flies OK on .015" 55' lines but I'm going to try .012" lines next time out.
Ara
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One thing to consider also when building is the bell crank. If you use the kit supplied 2" unit, use the inside hole to slow down the elevator travel. I built one with a 3 inch bell crank once and it worked out well. Makes it fly more like a "big" model. Properly balanced and with a proper prop for the engine chosen, and the controls set up right, it's a nice airplane.
Have a Happy and Safe Fourth of July!
Type at you later,
Dan mcEntee
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Use the Enya .15. I had one with an Enya .15 IV RC and wired the throttle open. Flew great!
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I have 2 to be built this fall. I plan on lengthening the wings and fuselage as many recommend, 3" bellcrank and .012 wires. Enya 15-IIIs for power. Should be a good flyer but keep the weight down!
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My oldest daughter built the Akromaster according to the kit. It has a Medallion .15 for power which is plenty. Been so long since last flight I may have to disassemble the poor engine and clean it up to see if it will still run.
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I built one for a Fox 15 (with the extended LE & TE), I'm not at all happy with it. Maybe be better with the muffler off? The Fox seems to lack enough grunt, or maybe I need to fly it on lines shorter than 52'.
I would suggest an 8x4 prop and 15% nitro. The original steel fin and the "X" can not handle larger props. I like .012x52' lines for my .15's too but perhaps for your setup shorter lines should help.
George
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I've had a couple of these and they fly the pattern fairly well with an OS .15 LA or FP as well as Fox .15.
None came with full sided 3 view plans, just assembly diagrams.
I think the best weight is 19 Oz or below.
I would avoid the RC carb because of the chance of breaking it in a hard landing, since it sticks up so far.
The George Aldrich Peacemaker is, IMHO, the best .15 trainer to use.
Rex
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Nice work!
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here are a few pics of mine out in the garage.
added ribs, Enya 19-V, 2.5 oz. uniflo on pressure, TT 9-4.5 prop, 10% nitro, .012 x 56' lines. (yes you are reading right).
IF you noticed, NO FIXED FLAPS.
That is my Buster in the background.
Carl
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When all else fails, read the instructions! y1 The leading edge is notched for the ribs at proper spacing, and the instructions tell you to use the instruction sheet boarder lines to initially square the structure up. A typical easy does modification for the Akromaster is to leave the leading and trailing edges alone and not trim them to length, and cut a couple of ribs from scrap to increase the wing span and wing area. Lots of engine combinations work well with this airplane, which is just another great design to come out of SIG over the years. Flies well without flaps. Built light enough with a 1/4" this fuselage and I'll bet a properly set up .061 would fly the thing! I hope to try that myself here someday.
Good luck and have fun,
Dan McEntee
Hmm.....
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Just picked up this kit to start moving into the big boy planes...nice little $30 buy from local shop.
My question is there any actual plans for this kit other than the poster sized paper of illustrations to build?
If you're wanting plans to scratch build another one later, I would suggest drawing up some yourself. It's a constant-chord wing if memory serves. Not allot to it.