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Cox Engine of The Month
November-2017
MauricioB's

"Cox Tee Dee .010"



PAST WINNERS
Speed Contest 2018
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The Traveling Prop
World of Aviation

The Sliver - a TD .020 Project Plane

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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Tue Nov 07, 2017 7:49 am

Goodness, Brad! Your attention to the smallest of details is amazing and apparently effective, but I have to wonder how you are able to sleep at night in this world that is far from perfect. As much as I love this hobby, my building and flying skills are far below the standards of folks like yourself. I tend to get 'em together just good "enough" and fly them around as best and as often as I sloppily can. I DO enjoy your feedback on my projects and have learned some new techniques from it, so please keep it up. Just realize that my model projects would never pass muster in your shop. They fly around(but not too smooth or fast) and sometimes get crashed and field-repaired with ugly and heavy glue joints so they can be flown again that day. Where your little planes are organized, sleek, and well engineered, mine are more clumsy and comical and become battle-weary over time.

With all that said, I do really like your suggestion of using the tapped TD .010 spinner. I have seen the movement in my .020 spinners and always just accepted it in the past. I will search online for some hex 3-48x.75" hex bolts and a tap.
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Re: The Sliver - a TD .020 Project Plane

Post  Kim on Tue Nov 07, 2017 8:20 am

YEP !!! Me too !!! Great Idea!!!
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Re: The Sliver - a TD .020 Project Plane

Post  1/2A Nut on Tue Nov 07, 2017 2:30 pm

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Re: The Sliver - a TD .020 Project Plane

Post  1/2A Nut on Wed Nov 08, 2017 2:21 am

The aluminum 1/2A bullet spinner is great for tapping #6-32 threads for TD .09 and 4mm for Norvel .074

https://coxengines.ca/cox-.049-aluminium-spinner-valentine.html





I originally ran a tap / threaded a stock .09 spinner for a 4mm button head alan bolt for the Norvel as shown.






Valentine sells Tee Dee .010 aluminum bullet spinners on ebay from time to time they work great with the .020




Found another pic this shows the TD .020 spinner tapped for #5-40 bolts. / NV spring no bulky fuel tubing.

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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Sat Nov 11, 2017 9:22 am

Tail pushrods were routed and braced up. Bottom sheeting installed. Used a Dymond 3.7 as a throttle servo, recessed into the upper cowl area for clearance. Tank was trial fitted and brass thru-fittings installed in the firewall. Tank made by 1/2A Nut. It's 1/2oz and should be good for 5-6 minutes of fun flying. Extended the needle valve with a piece of fuel tubing and a cap screw notched for orientation.





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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Sat Nov 11, 2017 9:25 am

Stayed up late last night covering the fuselage with Ultracote Lite Scale White.

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Re: The Sliver - a TD .020 Project Plane

Post  getback on Sat Nov 11, 2017 12:47 pm

Looking Good Tee Bee , nice job on the Ultracote Lite ! want bee as long as it has been Lol . Pun intended RC Plane
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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Sat Nov 11, 2017 1:25 pm

Thanks getback! And yes, It's closer to the finish line than it ever was.
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Re: The Sliver - a TD .020 Project Plane

Post  fredvon4 on Sat Nov 11, 2017 2:42 pm

Can't wait to see the finished model..

Always been fascinated with TeeBee's models
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Re: The Sliver - a TD .020 Project Plane

Post  1/2A Nut on Sat Nov 11, 2017 3:08 pm

Close now will have to get yourself a scale and weigh that sucker.

Back when I was a young man in my 20's a plane that far along would be test flown the next day lol.
These days sad to say the gusto is not there to pull an all nighter to knock it out.

I bought one of these early summer time as I needed to weigh out a 3.2lb project.
Good for 1g increments and the price is right with free shipping.

https://www.ebay.com/itm/AMIR-5000g-0-01oz-1g-Digital-Food-Scale-Electronic-Cooking-Food-Scale-with-Hig/222601784116?epid=522547427&hash=item33d419ab34:g:0pYAAOSwighZgzbM



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Re: The Sliver - a TD .020 Project Plane

Post  MauricioB on Sat Nov 11, 2017 9:51 pm

Hello Tee Bee !, that project is going very well! ... I like the 020 rc! ... please place a video of the engine's running, I would like to enjoy watching it accelerate and remain regulated at the operator's pleasure!
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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Sat Nov 11, 2017 10:10 pm

Ok, Mauricio. Believe it or not, I've never ran this engine before. It just has to run, right? I am as curious as you about the throttle performance. We will find out in time, my friend. Keep your fingers crossed.
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Re: The Sliver - a TD .020 Project Plane

Post  MauricioB on Sat Nov 11, 2017 10:17 pm

Tee Bee wrote:Ok, Mauricio.  Believe it or not, I've never ran this engine before.  It just has to run, right?  I am as curious as you about the throttle performance.  We will find out in time, my friend.  Keep your fingers crossed.

I have a very good experience with 020 !!, I can share a video here! I want to see yours friend! Thumbs Up Thumbs Up Thumbs Up
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Re: The Sliver - a TD .020 Project Plane

Post  MauricioB on Sat Nov 11, 2017 10:22 pm

Tee Bee I think you're going to fall in love with 020 rc! Very Happy Wink
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Re: The Sliver - a TD .020 Project Plane

Post  balogh on Sun Nov 12, 2017 12:26 am

Mauricio

Very nice how this little bird lands then takes off!
What is the size of your propeller? Is this the 3 bladed COX prop or the 2 bladed 4x2
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Re: The Sliver - a TD .020 Project Plane

Post  MauricioB on Sun Nov 12, 2017 1:15 am

balogh wrote:Mauricio

Very nice how this little bird lands then takes off!
What is the size of your propeller? Is this the 3 bladed COX prop or the 2 bladed  4x2


Thank you Andras !, bring the photo closer so as not to leave any doubts, since I did not remember which propeller was there. Yes indeed he had the tripala of Cox is to say this same:
http://www.exmodelengines.com/product.php?productid=17735&cat=257&page=1
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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Sun Nov 12, 2017 1:35 am

The Russians are coming! Guard the ballot boxes!


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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Sun Nov 12, 2017 1:37 am

Monokote graphics
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Re: The Sliver - a TD .020 Project Plane

Post  MauricioB on Sun Nov 12, 2017 8:42 pm

Tee Bee wrote:Monokote graphics
friend looks very good !! .... tell me, it has landing gear? ... the gray or hard plastic propellers usually break if they just hit the ground when landing. .. Small Cox Logo Babe Bee .049
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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Sun Nov 12, 2017 8:46 pm

Sorry to disappoint you, but no landing gear on this one. Most of my Cox planes are belly landers and I've been lucky enough not to break too many props. I usually carry spares to the field just in case, though.
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Re: The Sliver - a TD .020 Project Plane

Post  MauricioB on Sun Nov 12, 2017 8:59 pm

Tee Bee wrote:Sorry to disappoint you, but no landing gear on this one.  Most of my Cox planes are belly landers and I've been lucky enough not to break too many props.  I usually carry spares to the field just in case, though.  

I understand you, where I live, you do not get any spare parts and buying outside, besides paying, you have to pray to heaven to arrive, that is a fundamental condition that obliges you to take care of the propellers in these places ... the world friend!
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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Tue Nov 14, 2017 2:01 pm

1/2A Nut, I ordered some of those 3-48x.75" screws you linked. They were actually a very snug fit in this red .020 spinner. Had to "clean" out the hole a touch to make it go through.

Been fuel-proofing and installing the lecky bits. Not there yet but getting close!
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Re: The Sliver - a TD .020 Project Plane

Post  1/2A Nut on Tue Nov 14, 2017 2:25 pm

Hey that's great, looking through my lot of .020 spinners I have a red anodized one too.
That extra 360 deg layer of anodizing is a plus. Those stars should really make it a breeze
to keep track in the air.

That's a darn near cooked Turkey tis getting close now, ahh the anticipation should get the ole heart rate
going on launch for sure. Hopefully you can film that sucker for the masses to enjoy. Very Happy

RC Plane
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Re: The Sliver - a TD .020 Project Plane

Post  MauricioB on Tue Nov 14, 2017 3:26 pm

Tee Bee wrote:1/2A Nut, I ordered some of those 3-48x.75" screws you linked.  They were actually a very snug fit in this red .020 spinner.  Had to "clean" out the hole a touch to make it go through.  

Been fuel-proofing and installing the lecky bits.  Not there yet but getting close!

I'm looking forward to seeing that little gem on the go! I keep watching the advances !! Wink
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Re: The Sliver - a TD .020 Project Plane

Post  Tee Bee on Tue Nov 21, 2017 9:15 pm

It took much more time than I ever thought it would, but she's finished! Weighs 7.45oz RTF. Russian translation = "Sliver"

Engine tests and throttle setup are next up...





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