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RE: 40% 260 on a Diet - 2/5/2007 6:18 PM   
Jleyland



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That's awesome Bob. I can't wait to hear how it flies.


















edited : grammer

< Message edited by Jleyland -- 2/5/2007 9:38 PM >


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RE: 40% 260 on a Diet - 2/5/2007 9:34 PM   
sensei



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Thanks for the kind words John.

Bob

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RE: 40% 260 on a Diet - 2/6/2007 12:59 AM   
RobT



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What is the weight of a finished wing?

Thanks

Rob

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RE: 40% 260 on a Diet - 2/6/2007 2:54 AM   
sensei



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quote:

ORIGINAL: RobT

What is the weight of a finished wing?

Thanks

Rob


I don't know just yet, but when its finished I will let you know.

Bob

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RE: 40% 260 on a Diet - 2/7/2007 10:29 PM   
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Bob, it was great seeing you at the lake last weekend and hearing about this awesome project. Just like your 35% laser that flew so well and so long on a DA 50, I know this will work out great for your extreme 3D style of flying that we all enjoy watching you do.

It is really great of you to share your build with us. Lesser men would have gone away and not continued to share, with all the empty-headed, opinionated criticism you and George took from the psuedo-aeronautical engineers. We really appreciate a true engineer sharing his trade with us, and hope you keep up the great information flow, in spite of all the nay-sayers. They have obviously never seen any of your previous work or seen any of your excellent flying.

I look forward to seeing you at the flying field, flying your new build through many successful and entertaining flights.

Your friend,
Mike Boyd

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RE: 40% 260 on a Diet - 2/14/2007 1:56 AM   
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Bob, please continue to share as you make progress... thanks

Chuck

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RE: 40% 260 on a Diet - 2/14/2007 7:33 PM   
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Looks friggin awesome - let us know how she flies!!!!!!!!!!

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RE: 40% 260 on a Diet - 2/14/2007 9:32 PM   
sensei



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I am in the covering stage at the moment, when I get a little further down the road I will post some more pictures and weights.


Bob

quote:

ORIGINAL: RC_Pattern_Flyer

Bob, please continue to share as you make progress... thanks

Chuck



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RE: 40% 260 on a Diet - 2/15/2007 2:09 AM   
k5mog



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Bob

will you be removing the foam in the unsheeted areas of your wings ?

Ralph

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RE: 40% 260 on a Diet - 2/15/2007 3:49 AM   
sensei



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I think I'm going to reach my target weight without removing any more core from the wing. The next 3 to 4 weeks will prove very interesting.

Bob

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RE: 40% 260 on a Diet - 2/20/2007 5:52 AM   
sensei



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Here are a couple more pictures and some factual weight figures on covering. Each component was weighed before covering and after. The pictures of the 260 are with all aileron and elevator servos installed. The weights listed below are covering weight only.

Horizontal stabs 4 grams each.
Elevators 10 grams each.
Rudder 15 grams.
Ailerons 20 grams each.
Wings 75 grams each.
Fuse 160 grams.
Total 373 grams.
Now, I can't speak for the other colors but with the dark red; the clear backing weight was the same as the covering. I took one piece 36" x 55" for the wing and peeled the backing off. Both came in at 1.8 ozs. Each, don't take my word for it just try it.


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< Message edited by sensei -- 2/20/2007 6:10 AM >


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RE: 40% 260 on a Diet - 2/20/2007 7:36 AM   
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RE: 40% 260 on a Diet - 2/20/2007 7:26 PM   
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Great thread, keep it up.
What covering material are you using?
Happy flying
George

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RE: 40% 260 on a Diet - 2/20/2007 9:25 PM   
sensei



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I am covering with MonoKote.

Bob
quote:

ORIGINAL: gbrod

Great thread, keep it up.
What covering material are you using?
Happy flying
George



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RE: 40% 260 on a Diet - 2/27/2007 6:17 AM   
sensei



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Here are a few more pictures.

Bob

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RE: 40% 260 on a Diet - 2/28/2007 3:56 PM   
260 Man


 

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You know its really funny how all the NAY saying people have gotten so quiet...........


I suppose the video when finished will just kill them................(too bad)


Nice work Bob..............very nice work


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RE: 40% 260 on a Diet - 2/28/2007 5:23 PM   
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Looks good Bob.

Have a total weight yet, & what is this? switch-charging jack?



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RE: 40% 260 on a Diet - 2/28/2007 5:53 PM   
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What are you using as the fuel tank?

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RE: 40% 260 on a Diet - 2/28/2007 9:12 PM   
sensei



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It is the switches and charging jacks, the final weight is still just a few days away, and I will post it upon completion.

Bob
quote:

ORIGINAL: EJB

Looks good Bob.

Have a total weight yet, & what is this? switch-charging jack?





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RE: 40% 260 on a Diet - 2/28/2007 9:21 PM   
sensei



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I am using a plastic Dr Pepper bottle; the weight with installation balsa is 2.3 ozs. Considerably lighter than the nearly 7 oz. tank without Velcro I originally purchased for the project.

Bob

quote:

ORIGINAL: Hawk21

What are you using as the fuel tank?



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RE: 40% 260 on a Diet - 2/28/2007 11:41 PM   
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Shhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh !
quote:

ORIGINAL: 260 Man

You know its really funny how all the NAY saying people have gotten so quiet...........


I suppose the video when finished will just kill them................(too bad)


Nice work Bob..............very nice work




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RE: 40% 260 on a Diet - 3/1/2007 12:34 AM   
gbrod


 

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To Bob, Albert, Tony, ty and all you guys helping us with those great building threads,
Thanks and keep then coming, they really help us become better builders.
Questions:
a) Does the Dr. Pepper bottle develop leaks in the cap?
Do you seal it with?
Does it last as much as a regular tank?
Does it become brittle with time and vibration?
Any worries?
b) I noticed the round hole in the front of the cowl just in front of the carburator is open.
Does it create turbulence problems inside the cowl?
Should it be open or closed?
Does it matter?
Happy Flying
George

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RE: 40% 260 on a Diet - 3/1/2007 4:08 AM   
as722


 

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Thanks George,

I could not tell you as I have never used one but I'm sure sensei will chime in.

Albert
quote:

ORIGINAL: gbrod

To Bob, Albert, Tony, ty and all you guys helping us with those great building threads,
Thanks and keep then coming, they really help us become better builders.
Questions:
a) Does the Dr. Pepper bottle develop leaks in the cap?
Do you seal it with?
Does it last as much as a regular tank?
Does it become brittle with time and vibration?
Any worries?
b) I noticed the round hole in the front of the cowl just in front of the carburator is open.
Does it create turbulence problems inside the cowl?
Should it be open or closed?
Does it matter?
Happy Flying
George



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RE: 40% 260 on a Diet - 3/1/2007 7:15 AM   
sensei



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quote:

ORIGINAL: gbrod

To Bob, Albert, Tony, ty and all you guys helping us with those great building threads,
Thanks and keep then coming, they really help us become better builders.
Questions:
a) Does the Dr. Pepper bottle develop leaks in the cap?
Do you seal it with?
Does it last as much as a regular tank?
Does it become brittle with time and vibration?
Any worries?
b) I noticed the round hole in the front of the cowl just in front of the carburator is open.
Does it create turbulence problems inside the cowl?
Should it be open or closed?
Does it matter?
Happy Flying
George


Chime, chime, chime.........

Yes I will seal the cap with De Soto PRC 890 B1/2 mill spec tank sealant, also this sealant will be used to scotch the tank to the balsa frames, this stuff cures as a fairly tough rubber that is used to seal leaks in full scale tanks for jet A fuel and gasoline. The tank is 33.8 fluid oz. tank so it will last just a little longer then normal. I don't like the way the hole looks plugged and painted so I am going to place a balsa deflector in the cowl blacked out after the cowl is painted.

Bob


< Message edited by sensei -- 3/1/2007 9:54 PM >


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RE: 40% 260 on a Diet - 3/4/2007 6:59 AM   
sensei



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Here are a couple more pictures, with a little luck I might get this thing finished next weekend.

Bob

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