Will they never stop?!?

Kim wrote:The Legend just lives on and on !

In variations.

Bob your pt 19 looks good considering it look ed like it came from a war in the original pictures. keep up the good work!craig

Thanks Mark. I PM'ed him for the drawings. I need to make one for our RC club, we have mowed a circle now and have started teaching the RC guys to fly CL.

craig bernard wrote:Bob your pt 19 looks good considering it look ed  like it came from a war in the original pictures.  keep up the good work!craig

Strung it up today Craig probably with the Cox handle and string that originally came with it. Made a tail skid out of a paper clip that will not survive the first take-off. Just waiting for a warm day and a holder now.

Why not make a stooge?

Cribbs74 wrote:Why not make a stooge?

I did, out of a clothes pin.  It didn't play to strong reviews when I posted it here....But, it works.  





I just don't think the rather rinky dink tail skid on the PT-19 would hold.  It's just seated in very thin plastic and sealed with plastic glue.  I have to think up a better solution.

Pin-Stooges are easy to make. I love using them. Here's two that I made.

This one recently..





and this one about 25 years ago..



Those are aluminum spikes (from rain-gutters) that I use to anchor the stooge in sod. They are angled to bite-in under tension. The newer stooge has a more sophisticated spring-return and has 42' of mason-line.

If your flying a small tail-dragger airplane.. it helps to have a block or rail for the inside front wheel to sit against.. because when you run out to pick up your handle to check your controls.. you can accidentally pull the nose of the model toward you. Kim Stricker has a cool set-up using pegboard.. so he can adjust the rail for the size of the model.

I like those roddie, especially the first one. I will have to steal your design.

I was ready to try the Ringmaster on 35' lines, then I measured. Trees to close, so I took the zero turn out to the field beside the house and cut a 70' circle. Ran out of daylight.

I used left over edging spikes on mine.

Lol bob on thepaper clip but if it works it works are you going to film the first flite? Im waiting on a cox skycopter I bought should be hear day after newyears day paid 30.00 in original box seller says its missing tail rotor and one weight for main rotors and instructions thats going to be my little resturation project happy new year forum members craig

craig bernard wrote:Lol bob on thepaper clip but if it works it works are you going to film the first flite? Im waiting on a cox skycopter I bought should be hear day after newyears day paid 30.00 in original box seller says its missing tail rotor and one weight for main rotors and instructions thats going to be my little resturation project happy new year forum members craig

I'm too dumb to own a "smart" phone with a camera, but I do have my old reliable Olympus digital that will capture about sixteen seconds of video. Probably more than enough time to record the first flight.

It's been many year's since I flew C/L.

craig bernard wrote:Lol bob on thepaper clip but if it works it works are you going to film the first flite? Im waiting on a cox skycopter I bought should be hear day after newyears day paid 30.00 in original box seller says its missing tail rotor and one weight for main rotors and instructions thats going to be my little resturation project happy new year forum members craig

Here's the instructiona for the Skycopter Craig. They were in the info section-upper sidebar.
Happy New Year!
Bob
https://2e76ee21-a-62cb3a1a-s-sites.googlegroups.com/site/freefilesdownloads/Skycopter%20Manual.PDF?attachauth=ANoY7coEVyVl8ssnz4tLsX6oDTk_gllTNUnJkYSZ6WkVkMDEnkkARHY-dhsLyDn48uA3qh_nFCN_D7v1qs9fvfzcRr8xdh-1dAg47ts6WDyF8Y4yHro60QCqI7YaePuunvgvDxaOguFWoL-zpdJvDLo6i772TO4kULqn5vTUkwGm2n2wGzBcBJx_QHeQeaTP3flj0X-6ndUeNGJ4Xv3AeX-wbxAovenx-L7gWGFFCa6_YGflkQREnn8%3D&attredirects=0

Bob if its been awhile 16 seconds should be enough whats the worse that could happen the pt 19 will be back to like the first pictures you show us! Im only joking hope it:-)goes well if you fly it. Your probably thinking thousands of comedians out of work and your trying to be funny!hay! I have to amuse my self some how and its new years and the wifes already gone to bed!my wife keeps telling me to improve on the 16 seconds haaa! Haaa!All the best craig maybe I should go down the street and party?

I hope that batjac doesn’t mind me continuing his thread, But I’m learning a lot here.

Solved my PT-19 tail wheel problem by installing a wooden peg and coming in from both sides with a brass screw.  Sturdiest part of the airplane now.



I thought this clever.  An adjustable down angle engine.  Did all PT-19’s come with this feature?

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The plans call for rubber bands around the bottom of the wing with no mention of putting them over the top.  But most I see have them over the top, I will put them on both ways.





Someone goofed when they wrote the original plans.

If you're talking about the rotation to turn the prop against the spring, it's not a mistake.  Cox PT-19's came with both left hand and right hand propellers.  My early 80's PT-19 came with a right hand prop and spring starter.  My 1974 PT-19 came with a left hand prop and spring starter.  I believe they ued right hand props in the 60's.  So the instructions were written for the right hand engine version, and then overwritten when they put out a run of left hand propped planes.

The Ambidextrous Mark

Bob, Your new tailskid should hold more securely in your clothespin stooge.. but you'll want to build something more secure for when you start flying models that are more powerful and more fragile than the Cox PT19. I'd hate to hear of a model pulling out of that clothespin before your ready to launch. I've never had the luxury of a pitman.. so I've always built or modified my tail-dragger airplanes to have some provision for a "pin" to slide through. I've drilled a hole through a tail-wheel or installed a music-wire tailskid with a small "hoop" for the pin to slide through.

It's helpful not to have to mess with anything while your starting/tuning the engine.. removing the glow-clip etc. A pin "locks" the airplane until you're ready to release it. The pin-stooges I've built will hold a big airplane like your Nieuport with no problem.. as long as the stooge is mounted securely to the ground.

Interesting Mark, But something is still messed up.  The plans originally had printed clockwise, yet the little guy is pulling counter clockwise.  

How about my question about the adjustable cant of the motor?  Were all years/variations of the PT-19 so equipped?

Agreed roddie, don't be surprised if you see a clone of your stooge show up on these pages. Probably not as nicely done but hopefully as effective.

That clothespin should hold this rockin' PT-19 ok, but I could drill a hole in that skid to accept a pin type release. If I still lived in Tiverton, I'd be knocking on your door. Your holder has arrived....

rsv1cox wrote:
How about my question about the adjustable cant of the motor?  Were all years/variations of the PT-19 so equipped?

Yup. They've always had that. It's a continuation of the adjustable thrust line started on the TD-4 planes.

The Half-Baked Historian Mark

Thanks Mark, but after accusing myself of being to lazy to find out for myself I did an ebay search and came up with this:



Answered my question and cost me $59 bucks Buy It Now.  Cheapest I have seen on these.  There is a fuselage only on ebay now for $79 and no bids.  I may need it though NOT.  This one like my other one has the tail skid broken off, but I have a fix for that.  Otherwise it's in great shape.  Another one and done flight I would think.

Somethings just not right with that picture....Wonder what it is....  

Is this the Canard version with a pusher?

How silly of me. The pilots couldn't see where they were going.

Oldenginerod wrote:How silly of me.  The pilots couldn't see where they were going.

Not silly, they just haven't installed the rear view mirrors yet.  



Looks like rubber band residue around the front fuselage....

Hi Bob, I really like the clear windscreens on your PT19. I have an early 90's version that I flew so much.. that I eventually had to replace the fuse on. I've made some mods over the years.. and the next mod will have to be a different fuel tank. Both the old and new fuse had the same trouble with the factory tank-bowl falling off. I often flew using Sig Champion "35".. which may have possibly (eventually) caused the snap-fit to fail.

Here's my old original fuse.. The holes in the side were for a battery holder (single AA) wired to a micro-toggle switch (hole in fuse top) that was connected to the glow-head using a wiring-harness with a tiny E-clip soldered-in for the center electrode and a "fork" type clip that I made to fit between the head-fins. I couldn't "cold-start" the engine with this set-up.. but once the engine was warm, it would start immediately after refueling, by moving the toggle switch forward which closed the circuit. Pit-stops were fast! Kinda silly on a model that already weighed 10 ounces... but it was fun.  


Here's the model with the new (current) fuse. Pilots had to be ordered separately..




I installed lead-outs to make line-changes from model to model possible. (I should have used short pieces of Dacron.. but the music-wire solids worked ok)



Here's the 1994 PT19 parts list..



and here's the tailskid drilled for my pin-stooge..