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Post  ajcoholic Sun Apr 04, 2021 9:47 am

Yesterday I pulled out one of my Man-Win coroplast trainers, with a Cox Golden Bee .049 and TF 5 1/4 x 3 prop. 25% WIldcat 1/2A fuel (with added castor) and 26' lines. Enjoy the fun! My kids were amazed. I was dizzy... lol.

But, I am still smiling a day later. Smile

https://www.youtube.com/watch?v=7oaH4tuUSxg&feature=share

https://www.youtube.com/watch?v=fU5tgLwh0_g&feature=share
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Post  Mike1484 Sun Apr 04, 2021 11:46 am

Pretty cool AJ . Reminds me of teaching my kids how to fly control line . You better wear a helmet if you keep falling down , you don't need any bumps on the noggin . Kids looked like they enjoyed your flying also .

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Post  ajcoholic Sun Apr 04, 2021 4:51 pm

thats the first time I ever fell down lol. I was dizzy when I stopped but not when I was flying. I havent flown CL in many years so I am sure ill get my "sea legs" again. Smile
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Post  944_Jim Sun Apr 04, 2021 5:31 pm

Good for you, and the boys, AJ.
My boys weren't at all enthusiastic when we got our "first ones" flying. I choose to stay in the hobby after a 35 year hiatus without them!
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Post  Cribbs74 Sun Apr 04, 2021 8:37 pm

Good hustle!

That engine wasn’t playing nice. Any ideas as to why?
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Post  davidll1984 Sun Apr 04, 2021 10:02 pm

Super good the flight me I'm young I wish I could but it makes me sick to vomit so badly Since my accident nothing is the same I envy you To be able to get up so quickly after i was Good back in days
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Post  getback Mon Apr 05, 2021 7:38 am

Clapping Clapping Clapping Thanks i needed that this morning reminds me of when i flew speed Here on CEF lol! Yea that engine is coming and going sounds like fuel draw or and glow plug issues >> If i were you i would also cut back on the elevator throw it has way to much that's one reason for the seasurpent flight . You kids were having a BLAST TOO !! I Love This Forum!
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Post  roddie Mon Apr 05, 2021 9:39 pm

Hey, I read another post you made, about how much fun you've been having with the engines/airplanes. That's AWESOME! Thumbs Up
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Post  DanMc Thu Apr 29, 2021 9:55 am

KEEP IT UP!! Looks like the kids were reacting positively! Experiment with longer lines. Learn the knots that it takes t use the new fishing lines and try some at 35' or more. That will slow your lap times and make flying easier for everyone. The plane is light enough and engine powerful enough, just be ready to add some tip weight to help with line tension. Don't overdo engine offset. I volunteered at the KidVenture program at Oshkosh for 16 years and we eventually came up with a coreplast trainer that was almost indestructible and powered by Norvel .061 engines. We flew those on 45 .012 steel lines with no trouble. The steel line that big were just a lot more durable and less hassle. Next time on my computer I'll see if I can figure out how to post the plan files or maybe send them to some one else that does.
Type at you later,
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Post  rsv1cox Thu Apr 29, 2021 10:11 am

I just noticed that Dan, we both joined within a month of each other. Bad influence here, I had just four model airplanes and a couple of engines. Now, I have lost count. Smile

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Post  944_Jim Thu Apr 29, 2021 10:29 am

DanMC...did you mean the manwin trainer? I think I have that plan on my PC HDD.
I know someone was training/using the Testors 1/2A Ambush, but ISTR that is all balsa (also in HDD).
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Post  DanMc Thu Apr 29, 2021 9:28 pm

rsv1cox wrote:I just noticed that Dan,  we both joined within a month of each other.  Bad influence here, I had just four model airplanes and a couple of engines.  Now, I have lost count.  Smile


Well, I have been at this for a long, long time! I have built and flown model airplanes for almost all of my 65 years on this rock. I have been seriously collecting stuff that I wanted since I was a kid ever since I was able to work a full time job. I came from a large family, and my dad passed away when I was 10 years old in 1965. My Mom raised 9 of us all by herself. There wasn't much money for a lot of model stuff but I managed to scratch the itch as best I could and Mom was VERY tolerant and supportive of it. As I got to where I could work and help out around the house I was able to start buying some stuff for my self. I also had the dirt bike bug and managed to have some fun at that. I got married and all of the other adult stuff that came along with it but always had models to keep me busy. I landed a good job that paid very well at the same time the kids needed braces and eventually cars and such but I also discovered eBay at about the same time and between that and the local Craig's List, I found lots of treasures! I also worked part time at a local hobby shop for 35 years or so, and somethings actually found me! Books, magazines and kits both plastic and balsa are in the mix. I have a big library and one of the largest, most complete magazine collections in the country. Lots of projects for my retirement years to enjoy and maybe pass along to some one. Now that time is here and time to start using up all this stuff I was saving for "one of these days"!! In the near future, I hope to post a lot of pictures of some of what I have collected. In the mean time, if you want to see some Cox stuff fly, google my name and the words Cox Stuka and some video should come right to the top. It's all great fun, educational, cheaper than a heroin habit or chasing women in bars and it keeps me off the streets at night. my wife is pretty tolerant of it all also. That's important!!
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Post  DanMc Thu Apr 29, 2021 10:12 pm

944_Jim wrote:DanMC...did you mean the manwin trainer? I think I have that plan on my PC HDD.
I know someone was training/using the Testors 1/2A Ambush, but ISTR that is all balsa (also in HDD).

No, I mean the trainer that we developed for use at the Kid Venture C/L circles and the KidVenture venue at Oshkosh. We started out with SIG 1/2A Skyrays for the first few years but they were nor big enough, heavy enough or powerful enough for the winds they get up there some days. SIG was the distributor of those Skybaby plastic RTF models years ago, but they were a disappointment sales wise, largely because the model was poorly designed. They donated a few for us to fly at KidVenture and after we figured out some re-enforcements to beef them up and added a rubber band mounted engine like the old Goldberg Wizard had, they had some possibilities. We found that we could fly them on .012 lines 45 foot long on good weather days and down to 40 foot on windy days. This kept lap times low for the kids and parents, and us volunteers liked it a lot also !! It can get a bit tedious out there all day in the sun at anything under 4 second laps! With what we had we could get things closer to 5 or 5.5 like we are used to flying stunt models.
The Skybabies eventually did run out, but the engines were indestructible. We would loose prop spinners and such, but we never broke a tank, or burned out a glow plug. Parts were available until the Russian company stopped producing them to make other products. But we had a large stash of spare engines so we carried on with them. Over a period of years, a fellow club member, Bob Arata, and I discussed what a good replacement model should and should NOT be on the long rides home after Oshkosh. It needed to be what the Skybaby was, big, stable, powerful, but be a lot tougher. We were sending out plan files by email to anyone who wanted one and was reminded of the fact that hobby shops didn't exist in a lot of cities, so it had to be built from hardware store materials for the main air frame and the few real hobby items could be found on line. We decided on wood yard sticks and coreplast yard signs. One spring there were county wide primary elections, and after election day I relieved a lot of area lawns of their political signs! We also found that the material could be bought fairly cheaply in 4' by 8' sheets and set to work. The result was a model that was almost indestructible and since it's size and shape was patterned after the Skybaby we called it "The TuffBaby." It's what you see pictured here. We made up 5 or 6 of them after extensive testing and took them to the 2010 KidVenture circles, and as far as I know they are still flying 4 of the airframes. Other volunteers made up some also and all tolled I think we have 20 or so to call upon. Who knows how many flights and hours are on some of them and the engines. I personally have probably had 4 or 5000 kids on the handle over 16 years, so I think that validates the concept.
The other airplane in the pictures is a quicky trainer I built along the same lines but smaller and using a Cox Black Widow . It's a copy of the SIG 1/2A Skyray and is all coreplast and yard stick. I think I built it in about 4 or 5 hours one afternoon. The wing is longer that what the standard yard sign is, but I just spliced on a section using BBQ skewers inserted into the corrugations with no glue! It is lighter than a Cox PT-19! And it flies quite well. It's another example of what you can do with common material and save the good stuff (balsa) for real model airplanes. Just about any trainer you have ever seen published in the magazines could be built in a similar way and look like anything you want. Just let your imagination and your basic knowledge of aerodynamics be your guide! I still have to find the plan file and see if I can figure out how to insert them in a post. The AMA did a video of a lot of this and I think it's on the AMA website or their Facebook site. I'll just post a few picture for now to give you the general idea Keep building them and build 'em Tuff, Baby!!
Type at you later,
Dan McEntee


first Cox c/l flying in many years Tuffba10
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Post  DanMc Thu Apr 29, 2021 10:14 pm

I had to do another post for the Cox Coreplast Trainer. I guess I need to learn hw to resize photos one of these days!!
Thanks again,
Dan McEnteefirst Cox c/l flying in many years Cox_co10
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Post  rsv1cox Fri Apr 30, 2021 5:55 am

Now we're talking. Pictures!!

Love them both, weird wing and elevator, radical. Also the Yardstick.

Your bringing some spice to the table.
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Post  getback Fri Apr 30, 2021 6:14 am

That is a very nice story of all you have did for the modeling association and the back story of the airplanes . I really like the concept for trainers and that way like you said save the Good Stuff beeing Balsa for later as to Not discourage children or beginners in the hobby , That's important ! My son now 22 started out on the manwin trainer Jim was talking about and it was not many flights he was doing Balsa * now if i could get him to build LOL He ask me the other day out of the blue when we going to fly some Planes Shocked I abought fell out , want bee long buddy ! I Love This Forum! That is some tuff looking machines there ,, You can't put PDF files on this forum so i hope something can bee figured out when you find the files ya got , We had a discussion sometime back about the old Goldberg Wizard rubber mount, looks like ya got that covered there . Hand Shake
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Post  944_Jim Sat May 01, 2021 12:11 am

Mr. Dan,
Those are neat looking trainers!

Regarding PDFs, once one is open in Adobe Acrobat, it can be re-saved as a jpg. I'm spoiled by having a copy of Acrobat, so I don't know if this is also possible in their Reader.

As far as resizing images goes...are you using a PC to read/post, or a smart device (tablet/phone)?

One of the Windows built-in picture editors allows for resizing images. I think it is Photo Editor, and it does any jpg files (don't let "Photo" fool you).

On my Android smartphone I use "Photo and Picture Resizer," since it allows for resizing based on dimensions (height and width). However, it also resizes based on desired file size. I find this last option quite useful on SH, since Sparky limits picture sizes over there.
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