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Somehow there is a Cox .010 in there Empty Somehow there is a Cox .010 in there

Post  rsv1cox Sat Mar 19, 2022 10:44 am

Somehow there is a Cox .010 in there P1012747

Three of them.

One of the most rewarding things I have done in hobby world is cutting out these on the ground tether planes using trash lumber.  I am absolutely fascinated by them.  No stress, it's all in my head not someone else's.  I can't make a mistake.   I did a .020 modeled after Rene's example which blossomed into a .049 version.  Now as threatened, a .010 version.  

I would like to say I used higher math to figure out the aerodynamic and thrust differences between the three engines and build accordingly.  I did not.  Just increased dimensions by 20% on the .049 from the .020 and decreased by the same amount for the .010.  Or thereabouts. Smile

Roughed out the top and bottom wings and the fuselage today. Rest later.  Same pontoons, same colors.  

Used 15 degrees for the airfoil on the .049 and .020.  13 degrees on the .010.  Wanted to use my "new" radial arm saw, but trust my table saw more.  Yup.  Still have all my fingers but it was close.  Smile

Somehow there is a Cox .010 in there P1012750


Somehow there is a Cox .010 in there P1012749
Somehow there is a Cox .010 in there P1012748

Somehow there is a Cox .010 in there P1012751
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Post  rsv1cox Sun Mar 20, 2022 7:11 am

Progress.

Somehow there is a Cox .010 in there P1012752
Somehow there is a Cox .010 in there P1012753
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Post  rsv1cox Mon Mar 21, 2022 3:18 pm

Somehow there is a Cox .010 in there P1012763
Somehow there is a Cox .010 in there P1012765
Somehow there is a Cox .010 in there P1012764
Somehow there is a Cox .010 in there P1012767
Somehow there is a Cox .010 in there P1012766

Somehow there is a Cox .010 in there P1012768

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Post  rsv1cox Fri Mar 25, 2022 10:02 am

Well, this thread didn't generate a lot of noise (like any).  Smile  But I press on with this steampunk if anything project.  

Eric's engine on the right, mine never ran bought about 1973 on the left.  Nose engine I ran with a remote tank sometime in the nineties down in Florida.  I have a tank coming for it from MECOA.  Ordered three spinners (to be painted red) and three props (to be painted yellow) from Matt.  Want to save the originals as is.  No wheels on the .010.

Still some tweaking to do on the .020 and the .010.  Need to align the pontoons on the .020 and do touch-up on the .010.  Mark and I ran the .049 sort-of.  Wasn't wonderful, but adjustments to the bridle and wheels should make an improvement.  .010 won't be run although it would be the easiest to needle.  

I think that a ground-based tether airplane would be more fun to watch than a similar car.  The prospect of it taking flight..................

All three made from the same piece of slightly rotten 1X4 that laid in the ground as edging for at least four years.

Can a Cox .09 and .15 be far behind.  Sad  I think not.  

Somehow there is a Cox .010 in there P1012792
Somehow there is a Cox .010 in there P1012793
Somehow there is a Cox .010 in there P1012794
Somehow there is a Cox .010 in there P1012796

Somehow there is a Cox .010 in there P1012795
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Post  NEW222 Sat Mar 26, 2022 10:28 am

That looks great Bob. Very nice to see a family of the same homemade planes sitting there all looking beautiful by a master craftsman and builder. And your last statement had me giggling as I was going to suggest (just for fun) that maybe in the future there will be both .09, and .15 sized versions...

On that note. Since all are appropriately scaled, I wonder if any, if not all would actually lift off of the ground? And if one did, would they all, as being appropriately scaled and such, one would think they all would then.
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Post  rsv1cox Sat Mar 26, 2022 11:57 am

Lift off the ground? We will see.

I will run both the .020 and the .049. The .049 still has nearly a full tank of fuel left over from the time that Mark and I tried to run it. Four wheels and an ill placed bridle doomed it. I have since placed a more friendly CG point and went to a tricycle wheel arraignment.

I stuck toothpicks in the vents and placed the piston to cover the ports hoping that the fuel would stay good. Probably not.

Somehow there is a Cox .010 in there P1012804
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Post  Marleysky Sat Mar 26, 2022 12:12 pm

LOVE IT, Love IT, Love it! Triplets! I've been watching and waiting for the Flight of the Phoenix(s) well garden edging anyways!! As always they look fantastic!
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Post  davidll1984 Sun Mar 27, 2022 6:55 am

Wit just one wheel at the Front It will surely reduce the friction a little but you are not afraid that the nose will tip over Huh...  If the cable is attached high enough it shouldn't happen as its fixed To a cable  but I instinctively distrust three wheels I remember an inexperienced friend taking a bend with a rear wheel in the air going straight ending up in small trees luckily no injury the smal one is so cute Thumbs Up
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