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08-03-2003, 05:00 PM | #1 |
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what makes a plane imac and imaa legal?
i want to build a sukhoi, and want to compete with it, however i want to build it from scratch and want it to be imac and imaa legal. is there a site that says what guidlines it must follow? thanks
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08-03-2003, 06:54 PM | #2 |
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IMAA has nothing to do with competition. It is just an organisation dedicated to large scale models.
The IMAA guideline is any monoplane over 80" wingspan, or biplane over 60" longest wing. OR 1/4 scale or larger, no matter what size. A lot of the newer smaller planes are under 80" WS in true 1/4 scale. IMAC is the competitive guidelines. Mike or Randy can answer better than me, but I believe it has to be (in the classes other than beginner) a representative model of a full scale plane, and have a cockpit, pilot and dash (even if just printed). No restrictions on size, if I am not mistaken, allthough most of the upper levels are at least 1/4 scale or bigger.
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08-03-2003, 06:57 PM | #3 |
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08-03-2003, 07:17 PM | #4 |
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For IMAC, basic class can fly ANY airplane. I've seen trainers, and prop-jet models compete in basic! I guess you could use an electric as well.
For any other class, it has to be a scale representation of a full-scale aircraft, (within 10% based on wingspan), that has been flown in aerobatic competition. In classes other than basic, you must have an instrument panel and realistic pilot, or you lose 1%(I think) of your score. From what I've seen, most CD's turn a blind eye. Best thing to do is to attend a contest near you with your best aerobatic airplane, and give it a try! You won't be dissapointed! Ronm
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08-03-2003, 08:00 PM | #5 |
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thanks for the quick reply's!
i dont know of any imac events anywhere near me (saskatoon), but i will check!. my main concern is building my sukhoi scratch from plans and then having the judges at competitions tell me its not scale enough, and im unable to fly. Is it wiser to just buy an imac legal kit? my concern is with forming cockpits and wheels moldings to scale without using molded technique. anyways i appreciate the info and im gonna go and get reading on the imac site. thanks
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08-03-2003, 08:09 PM | #6 |
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For IMAC and IMAA don't worry too much. If it looks like a Sukhoi, it will pass. Try to keep your main measurements within 10% of the scale wingspan.
If you need further explanation, I can eleborate. Cockpit is not necessary, just a regular pilot and any instrument panel. A scale competition though is a different kettle of fish! There are lots of guys on this forum that can help out if you want to do a real scale model. That's an area I wish I was good at, but I'm just not. Ronm
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08-03-2003, 08:55 PM | #7 |
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By cockpit I meant not a painted on canopy - ie, has to have a pilot and panel.
Hey I am no expert just go to the sites I posted for the real deal IMAA (international miniature aircraft association) has NO scale requirements in terms of model type. You can fly ANY plane that meets the size requirements, scale or not. Actually, in the IMAA there is a code for flying in the sportsmanlike manner without any competitiveness. They dont have competitions in the IMAA at all! IMAC is all about scale aerobatic competitions on the other hand.
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08-06-2003, 01:16 PM | #8 |
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well ive been doign some searching, and i think i might be doing a bipe for my imac flyer. 2 questions for you guru's out there.
are g&l hobbies worth the time? the lack of wood scares me. and also, i got Darren Bowman number, but i dont want to bother him if he isnt selling the ultimate anyone, so any of you know? thanks
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08-06-2003, 01:34 PM | #9 |
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What size bibe were you thinking about? Kit or ARF?
Ronm
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08-06-2003, 01:59 PM | #10 |
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i love to build, so i was thinking a kit, or plans with wheel molding, cock pit sheild, and nose moulding like darren bowman used to supply. How come you ask?
Barrett
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