theo63

well i got this kit from a guy at my feild for half price ans a ton of spare parts and such.

i got started last night and this will be my winter project i can see that,wow thats a lot of wood

i hope some guys here have built this plane as i might need some help

how about some gas engine suggestions,,ill post some pictures tonight

MinnFlyer

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Is this the Great Planes Kit?

mmattockx

It would help to know who the kit manufacturer is, what the actual size is and the expected flying weight. Also, your flying style and expectations (smooth IMAC style or insane 3D)


Mark

theo63

yes sorry about that it is a great planes kit,no insane 3 d as im not ready for that yet

MinnFlyer

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I build one of these about 6 years ago. I used a G-62 which flew it, but you really need something more in the 80 - 100 cc range. It's a good build, and a good flier. About the trickiest part is the turtle deck. Take your time! Wet the wood, add some weights and let it sit overnight. That's the one part you really don't want to rush.

theo63

thanks mike for the picture of the plane in bones,lol i got a picture of plenty of wood at the moment,i started the stab last night and ran into one problem i havent solved to i stopped at that point,has to do with the hinge blocks being glued in,ill post some pictures when i get home from work

MinnFlyer

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Ok, Steve, I'll keep an eye on this thread

theo63

okay here are some pictures of my first hold up point and was wanting some input before i made a mistake,it has to do with the hinge blocks,i cut the parts out but not real sure how the get glued in,i take it they get glued to the stab trailing edge and against the ribs,do they touch the sheeting at all or do i just center them on the stab trailing edge

theo63

hey mike did you make a post here and it didnt show up?

MinnFlyer

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Hmmm, yes I did. That's weird.

All I said was - The blocks do not have to touch the sheeting, just the TE and rib

theo63

thanks mike the next day i started on it again it was clear what i was suppose to do i guess i was just working on it too late.

well im back off and getting one half of the stab and elevator done,all the hinge blocks installed,control horn plate in,i have the top of the elevator to sheet yet then i can cut the elevator from the stab

still looking for a gas engine suggestions???

MinnFlyer

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Here is a suggestion...

Glue a 3/4" dowl right on top of that control horn plate. Epoxy it to the plate, the rib and the LE.

Sand it to fit the top sheeting, and glue the top sheeting to it as well.

Then, use the type of control horn below.

As for the engine, I would go with at least a 75cc, but something in the 100 range would be better.

theo63

i like the suggestion on the control horns,where does one find them and what brand are they?

well im at least going to go with a 80 cc,but what brand of engine,this will be my first gas engine

MinnFlyer

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For the control horns, Check DuBro and Sullivan.

As to what engine, Your best bet would be to check with the gurus in the Gas Engine forum.

blikseme300

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Nelson control horns work well. www.nelsonhobby.com Look for the RCL69D. Thats what I used for all surfaces except the rudder. The RCL71 I used for pull-pull rudder.

I initially used a Zenoah GT-80. Flew OK but a little marginal for my liking. Re-engined with a Brison 6.4 and is now a blast. This plane is not really a 3-D bird, but excellent for precision flying (or just goofing around).

Safe Flying!

theo63

i did get some input on the gas engine in that forum,still havent made up my mind

thanks for the info on the control horns i have some good ones now but i do like the ones you guys talked about and will get some for the next project

well i got the first stab and elevator just about complete,i do have to install hinges yet and do some sanding,i beveled the elevator and installed the leading edge of the stab,its not coming out too bad lots of sanding i did

i need some giant scale robart pin hinges to complete this part but the local hobby store did not have any so ill go thru the manual and decide what i need to order the rest of the way of the build

what pin hinges did you guys use on your models? thanks

MinnFlyer

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3/16" Robarts

theo63

The left side of the stab and the elevator is complete all except installing the hinges as im waiting foe them to come in.

so i started the right side stab and it is going faster now that i have done the first one,had all the parts labeled and framed it up

seems like i still have tons of balsa left lol

blikseme300

My Feedback: (118)

Steve

Take your time. The balsa will become less and a great flying plane will emerge.

Safe Flying!

theo63

Blikseme,thanks i do intend to take my time with this build its my first big one,i was just cracking up over how much is still left,and my second passion for bowhunting deer is going to get in the way

i have the top of the stab now sheeted and sanded down,dremel tools is becoming my best friend

theo63

tonight i got the bottom of the stab sheeted,cut and sanded down,also got the servo tray in and the hing blocks mounted in place

theo63

the bottom is now sheeted of the stab,then i sheeted the top of the elevator,mounted my hinge blocks and also the block for the control horn

theo63

the bottom of the elevator now sheeted and trimmed,then i cut the stab from the elevator and now the balsa dust will fly some more

MinnFlyer

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Damn, that brings back memories.

Looking good!

3D Joy

Same for me!!

I made mine for 3D and IMAC. The tail surfaces have been enlarged for my taste. Reports tell the stock stab and rudder are fine. In the pictures you can see the pile of wood, and the difference between a stock stab and mine.

I use the ZDZ 80 RV with JMB 80x300 canister. All up weight right now is 24.2 lbs and at sea level, power is good for 3D but a bit lacking for upper classes of IMAC. Everything that could be carbon in my plane is, except the stab tube which saves less than 1 oz...

If I were you, I would go with the new ZDZ 80 RV-J. 100cc engines are overkill IMO. Some may like them but I really like how light my plane flies.