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Hot Topic (More than 10 Replies) R/C Yankee IV build (Read 265 times)
staubkorb
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Re: R/C Yankee IV build
Reply #20 - Nov 18th, 2021 at 9:29am
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Sweet!
I don't think you'll have any worries about control response.  You definitely do not want anything more than enough to be able to keep it within the confines of your flying patch - the wing won't take too much of the G force from a sharp turn or pull-out, unless you swapped out the spars for spruce.
  

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Sky9pilot
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Re: R/C Yankee IV build
Reply #19 - Nov 14th, 2021 at 7:51pm
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WoW...sweet looking model.  With the twin vertical stabs you can get away with that light mono-gear. I like the scheme!   Smiley
  

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And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Kaintuck
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Re: R/C Yankee IV build
Reply #18 - Nov 14th, 2021 at 11:05am
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It's been a rough week, maybe things are back to a normal roar....I think we are finished with this little jewel.


Maiden flight when it is warmer and no wind.... Cool
  
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Kaintuck
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Re: R/C Yankee IV build
Reply #17 - Nov 7th, 2021 at 8:05am
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Thanks Tom, here's a shot of my tail engineering....I couldn't figgure a lighter/better way...hope there's enough rudder authority....we shall see!
  
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Re: R/C Yankee IV build
Reply #16 - Nov 6th, 2021 at 11:35am
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Looks great and the perfect location for the battery.  This will be a great flyer! Smiley
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Kaintuck
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Re: R/C Yankee IV build
Reply #15 - Nov 6th, 2021 at 8:38am
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Progress, got the tail feathers on, and the elevator hooked up, then I decided to do the front bottom 'bubble'...it's a design feature...so it will be useful in holding the small battery!
Using 1/64" sheeting here...
  
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Kaintuck
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Re: R/C Yankee IV build
Reply #14 - Oct 27th, 2021 at 5:27am
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The wing is built, slowly putting the covering on....tissue wrapping paper. This stuff is tuffer than tissue, a little heavier tho.
I have the RC gear bound to my new transmitter, and this motor is DEFINITELY strong enough Shocked....will blow papers off my table!!!
Marc
  
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Kaintuck
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Re: R/C Yankee IV build
Reply #13 - Oct 23rd, 2021 at 6:58am
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Wing time...Volare kits are really nice, great prices too for poor old farts like me! I'll spend some time this morning inside at my building board...after lunch, when it dries up outside...I have some painting to do....you know, "fall work to get done before winter" stuff....we all do it Tongue
  
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Sky9pilot
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Re: R/C Yankee IV build
Reply #12 - Oct 22nd, 2021 at 12:05pm
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Ditto what Ian said!!!  Twin verticals are great and the Connie's triple even better!
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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pb_guy
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Re: R/C Yankee IV build
Reply #11 - Oct 22nd, 2021 at 10:10am
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I like the look of anything with twin rudders, even the Ercoupe! I think that they fly better for some reason. Keep up the good work!
ian
  
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Kaintuck
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Re: R/C Yankee IV build
Reply #10 - Oct 22nd, 2021 at 6:54am
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I have the tail stuff going pretty good....I will hav the rudder linked to a cross bar, so both rudders operate at the same tim. You can see my pivot point mounts, which I will use a 90degree servo arm linked up. The elevator is a little more easy, the pushrod will exit straight out the bottom. It's neat to engineer stuff, and try to keep it light!
Marc
  
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Re: R/C Yankee IV build
Reply #9 - Oct 18th, 2021 at 2:54pm
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doubling the 1/16" sides really beefs up the fuselage!!!  Looking good!
Sky9pilot
  

If God is your Co-pilot...switch seats...
Your attitude will determine your altitude!- John Maxwell
And ye shall know the truth, and the truth shall set you free. Jn 8:32
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Kaintuck
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Re: R/C Yankee IV build
Reply #8 - Oct 18th, 2021 at 6:11am
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When you want to try your patience in building a small straight fuselage.....build one of these Tongue Roll Eyes....cuss jar is overflowing now...but it's done. It's the double curves that are hard, the only flat place is the wing saddle.
Anyways, I decided to mount the motor. When she dries, I'll mount the servo brick....20.9gms with radio and motor....
« Last Edit: Oct 19th, 2021 at 9:02am by Kaintuck »  
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Kaintuck
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Re: R/C Yankee IV build
Reply #7 - Oct 17th, 2021 at 2:12pm
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The sides are being attached at one station at a time....the fuse has curves in all directions  Shocked soooo she's kinda tricky, I'm trying not to build it a third time...
  
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Kaintuck
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Re: R/C Yankee IV build
Reply #6 - Oct 17th, 2021 at 8:46am
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Progress....the sides and top/bottom are built using 1/16" with trusses. Small weight penalty for strength! Motor mount and servo brick mounts being made. I will expect her to be very light. The motor and batt, servo brick may be the only weight here...I haven't weight them, but I'd say 10gm.
We will let all the titbond glue to dry good, then after lunch, I'll do the port side and glue up. Then on station pull together and glue.
Next time, I will get 2rulers to lay on the sides that are exactly parallel  Undecided seems, I thought I was on the plan...then when dry, she has a tiny sway...maybe a .5mm deviation....not noticeable but not perfect either  Undecided
Human error.......
  
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