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Post  rdw777 Mon Dec 12, 2022 4:19 pm

Andras, I got the switch and some other things from

http://microflierradio.com/

It is their 7 x 3 x 1.5 mm…. Part # S.M.S. SPDT…. The Turnigy 150 mah cells and charger I already had for electric park flyer types….The cells have have a 1.25 mm connector already on them so I got the matching connectors with wires from them as well ….,

I bought some neat little servo testers off Amazon…. They are good for setting up controls independent from the transmitter….I put some alligator clips in the test rig that can be connected to a meter so current could be checked…. The servo tester has one setting that the servo continually cycles…, Average 80 ma for each servo doing this…. X three servos is 240 ma total load….
150 mah(battery) / 240 ma(load) = .625 hr run time - 37.5 min…
Of course that’s with the servos continually cycling….We’ll see how they recharge after an outing….The cells will come out of the plane for charging…I checked all of this in the beginning to see if the batteries I already had would be a candidate….

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I also trimmed off the excess servo wire to reduce clutter…. That plus removing the RX case saved about 5 grams….

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Another good candidate for small switches are from small electronic candles…. I installed one on my Guppy glider and works fine…..PB switch harness is similar to Guppy’s…. I already had a 2 S 340 mah pack I used for the glider….

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Regulators and Testers….

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Thanks for the kind comments on the finish, It’s just what I’m used to…. It’s certainly light and easy to repair but not nearly as durable as films….Trade offs Very Happy

George, Your Roaring 20 is beautiful, I can see you put a lot of effort into it…. Mr. Willard knew what he was doing right?….I know too that long thin line on the side of the fuse is not easy to achieve …. By the way, It’s not naked wood, Just decorated wood….. Very model airplane-ish… I like it…..I still have a soft spot for single channel too…. I used to have that same transmitter only in a red case ….Dummy me let it go about ten years ago….I still have some Ceto S/C stuff I play with occasionally though ..,,
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Post  balogh Mon Dec 12, 2022 5:49 pm

Very nice electricals there, Robert. I wonder how much the 2 LiPo-s and the Voltage regulator weigh altogether? Maybe I should switch to those from my Nimh rechargeable batteries. A 400mAh I use weighs around 28 grams.
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Thanks for the good tips again.
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Post  rdw777 Tue Dec 13, 2022 10:38 am

Andras, Two 150’s and a regulator are 10.7g
I also checked two 200’s and a regulator at 13.4g

I was a little concerned on adding another component in the power supply (reliability) but I’ve flown the glider now many times with no problems….. The single lipo’s are relatively inexpensive so if you had an extended session of flying just bring some more to the field…Pageboy Build - Page 3 5a27bd10
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Post  Levent Suberk Tue Dec 13, 2022 11:14 am

I recommend Cellmeter 8 LiPo battery conditioner:

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Post  balogh Tue Dec 13, 2022 11:21 am

Robert, this is a great weight saving potential for small RC planes!

Yes, multiple connections of several electrical components in series will impact reliability, and the voltage regulator may add to the risk.

It took me several occassions of temporary loss of in flight control and near-miss landings, before I realized that the power connector of my micro switch to the receiver was loose in my Quickie100 pylon racer..so I use a fishing line on that receiver to leash all connectors of servos and the switch to the receiver to prevent unwanted disconnection..I was mislead before by the control failure and almost retired the otherwise perfect Futaba receiver, and the actual culprit was a Chinese connector in the microswitch
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Post  balogh Tue Dec 13, 2022 11:27 am

Levent Suberk wrote:I recommend Cellmeter 8 LiPo battery conditioner:

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Hi Levent, I use this type of Voltage meter made in China, and just realized in its description, that the accuracy of its NiMh measurement port is not guaranteed

lol!

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Post  Levent Suberk Tue Dec 13, 2022 11:43 am

Right Andras, I use it for LiPo batteries. I use this battery checker for dry cells and NiMh batteries:

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Post  rdw777 Wed Jan 04, 2023 6:59 am

Trim time…. My favorite part Very Happy

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Post  getback Wed Jan 04, 2023 7:12 am

Coming along nicely Fireworks
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Post  balogh Wed Jan 04, 2023 7:25 am

Wow, Robert, that looks nice! I like the color pattern and the customized patches that I always have problem to cut simetrically....Way to go!
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Post  rsv1cox Wed Jan 04, 2023 7:32 am

rdw777 wrote:Trim time…. My favorite part Very Happy

]

And a nightmare for me. Smile

Eagerly awaiting the final product.

Bob
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Post  Levent Suberk Wed Jan 04, 2023 8:25 am

Very good looking Very Happy
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Post  andrew Wed Jan 04, 2023 5:26 pm

rdw777 wrote:Trim time…. My favorite part Very Happy


Your work is stellar!!

I'm satisfied with my building ability, but after my planes are covered, they look like a bag of trash. I'm certain folks look at my planes and think if they look that bad on the outside, then they must be junk on the inside!!!

a--
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Post  rdw777 Wed Jan 04, 2023 5:47 pm

Thanks so much Andrew, ….kind…..

I’m calling it a day too…. One thing about doping an airplane…. You don’t remember it afterwards lol!….. Just kidding!!…. I had good ventilation and took frequent breaks…
I added the checkerboard as a nod to Mr. Willard’s Pageboys  in the photo of the magazine article…It’s a good visual I’ve used on other small planes as well…

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Post  rdw777 Wed Jan 04, 2023 5:50 pm

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Post  HalfaDave Sat Jan 07, 2023 5:11 am

Hi rdw777,
Very Sweet !
Thanks for sharing your awesome project with us.
Your photos/build have inspired me.
Is the 'boinkable' rubber band landing gear your idea, or Ken W's ? I like it. (easy to retract !)
Also, building around the r/c gear, to haul up, is something I try to do.
I like the way you did pull/pull on the swept back rudder hinge line. (and the hinges)
Most of the old(+/- .049)rudder only designs I see/like, have swept back rudder hinges.
Is there a reason?
The later rud/el designs have more vertical rudder hinge lines.
Also,
I will explore lighter airborne batteries, thanks, all the info is much appreciated.

I bet Ken Willard is in Heaven, with a smile on his face...
He would like this,
Take care,
Have fun,
Dave





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Post  Yabby Sat Jan 07, 2023 5:45 am

Goodaye Robert, That is a beautifully built jigger. Thumbs Up With really classic lines. I love the wheels on it. They match in so well with the rest of the planes style and looks. If you gonna have wheels they gotta look good and rmatch in. Car, bike, plane,.... The wheels on your build set the plane off spot on. cheers sunny

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Post  getback Sat Jan 07, 2023 8:42 am

That is SWEET ! I like the visual also it makes it easier to determine witch way i am going LOL RC Plane This Site Rocks!
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Post  rdw777 Sat Jan 07, 2023 8:49 am

A kind thing to say for Mr. Willard, Dave…. I hope he is too Very Happy ….. He’s always wearing a big smile in the photos in old magazines…

The landing gear mounting is as designed from the plan…. His Schoolmaster I posted at the first of the thread also had this type and worked great for rough field…. On something as small as PB will probably just be a good shock absorber for its belly….. Also could just take it off and go retract mode if there’s grass to land or …

His thought on the angled rudder was to help hold the nose of the plane up in a turn …. They were originally rudder only control…. It does work somewhat…. My Schoolmaster and Schoolboy were three channel but were easy to steer around with just the rudder.

Mornin’ Yabby Very Happy….. I like its lines too…. Simple high wing mono but a bit racy as well…. The wheels are balsa with ply caps and O-ring tires…. They have aluminum tube hubs…. Leftover ideas from rubber free flight days….
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Post  rdw777 Sat Jan 07, 2023 8:55 am

Well that’s cool Eric!!! Will like to see see what you come up with…. Get your knife and balsa ready!!! Small Cox Logo Small Cox Logo Babe Bee .049
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Post  rsv1cox Sat Jan 07, 2023 10:49 am

rdw777 wrote:Thanks so much Andrew, ….kind…..

I’m calling it a day too…. One thing about doping an airplane…. You don’t remember it afterwards lol!….. Just kidding!!…. I had good ventilation and took frequent breaks…
I added the checkerboard as a nod to Mr. Willard’s Pageboys  in the photo of the magazine article…It’s a good visual I’ve used on other small planes as well…

]

Ken Willard, Walt Musciano.....my hero's of yesteryear. The hobby is so much better for their involvment.

But I also remember and hold in high regard Bob Violett. We served at the same time in the Navy together. Might have crossed paths with him once or twice at Patuxent River. Also an Eastern Airlines pilot, the one I always tried to fly. Passed away a couple of years ago.

With one of my favorite military airplanes. I used to watch them when I was stationed at Pensacola.


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Post  andrew Sat Jan 07, 2023 12:31 pm

Robert -

I noticed that you're using templates for cutting out your tissue.  Are you pre-doping the tissue or just laying it into place and then doping it down?  Do you have any particular technique to keep it from lifting or moving, especially where the trim strips come to a point?

BTW, really like the checkerboards!!

a--
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Post  HalfaDave Sat Jan 07, 2023 1:44 pm

Hi rdw777,

Now, the rudder hinge lines make sense. Thanks.
( I thought they were going for a 'supersonic' look... ! )
These designs were slide rule, estimating, doing. I like that.
Men were landing on the moon.
Cox engines, c/l, heavy r/c gear...
I am curious,
How much did the original type weigh?
And yours?
Also.
Do another 'backlit' X-ray photo of it.
None of that balsa made it into Canada.
Drooling,
Dave

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Post  rdw777 Sat Jan 07, 2023 3:12 pm

Yes Sir Bob, Love those Scientific designs Musciano made…. Carl Goldberg another one….Some of these gentleman’s designs are timeless and still popular today…. Agree too on Violett…. I remember the articles and advertisements that seemed so over the top exotic…. Got to see one of his ducted fan sport jets ( forgot the name) fly once and the sound on a fly by was incredible…. I also remember it held a huge amount of fuel because the engine was such a beast!….P-80 - Super classic…. Reminds me of the dawn of the atomic age…

Andrew, Too get the trims I use tracing paper to get the outline I want, Say the side of the fuse… Then draw in what trim shapes I want…. That is then transferred to poster board using carbon paper, Then cut out with a knife on a sheet of glass…. I tape down the tissue, dry, inside a folded newspaper …. The pattern taped on top with two sheets newspaper between it and the tissue and cut it out on the glass…. If a right and left is needed, Fold the tissue for mirrored pieces…. Cut all the curves first while it’s held steady by the tape….then a straight edge helps with straight lines also cutting thru the tape to release the whole thing…. The glass helps save the knife tip and the newspaper keeps it from catching and tearing the tissue…

To do the checker board I used a thread, a hook (pin), and a rubber band to keep it tight, to establish a straight line and did the center first, Just like you would do a tile floor…Spacing was done with a set of dividers

I use Olfa brand knifes from the hardware store…. Sharpest I have found…. I break the tips off pretty often to keep the lines crisp….Use acetone to stick the trims on pre doped surfaces then a couple of finish coats on top…

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Yes, Those were exciting times Dave, I remember watching the moon landing on TV… And dad coming home with a slide rule in his pocket…. Wonderful times!!!

I’m not sure of the original’s weight but I’ve read on other forums to try and keep them at 4 oz or less… Mine is 3.77 less 5-6 grams of fuel ….I have an Ace Littlest Stick with about the same wing load and flies great even in a breeze…. You bet, Will get some more photos soon when everything is hooked up
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Post  GallopingGhostler Sat Jan 07, 2023 7:17 pm

rsv1cox wrote:But I also remember and hold in high regard Bob Violett.  We served at the same time in the Navy together.  Might have crossed paths with him once or twice at Patuxent River.  Also an Eastern Airlines pilot, the one I always tried to fly.  Passed away a couple of years ago.

With one of my favorite military airplanes.  I used to watch them when I was stationed at Pensacola.
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Wow! Shocked I didn't know Mr. Violett passed away 2 years ago: Sad

M.A.N. Mag. 22-Mar-2020: R.I.P. Bob Violett
rdw777 wrote:To do the checker board I used a thread, a hook (pin), and a rubber band to keep it tight, to establish a straight line and did the center first, Just like you would do a tile floor…Spacing was done with a set of dividers

I use Olfa brand knifes from the hardware store…. Sharpest I have found…. I break the tips off pretty often to keep the lines crisp….Use acetone to stick the trims on pre doped surfaces then a couple of finish coats on top…

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[...] I’m not sure of the original’s weight but I’ve read on other forums to try and keep them at 4 oz or less… Mine is 3.77 less 5-6 grams of fuel ….I have an Ace Littlest Stick with about the same wing load and flies great even in a breeze…. You bet, Will get some more photos soon when everything is hooked up
Robert, that is some mighty fine trim work by lightweight tissue. Yes, lighter always flies better, that I have always shot for in my R/C rudder only and 2 channel planes. With limited reedie power, it has always paid back in dividends regarding fantastic flights.
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