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Search: Posts Made By: Leroy Gardner
Showing results 1 to 18 of 18
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Forum: Aerodynamics
10-02-2013, 02:34 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

That is pretty much what is going on here....

That is pretty much what is going on here. Digging up info from sources other than RCU, one being a mfg. of the tube joiners and knows his business said the formula for tube insertion in wing is...
Forum: Aerodynamics
10-01-2013, 08:24 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Can't do that it's not part of my plan,...

Can't do that it's not part of my plan, characteristics would change and there are other issues to consider, go to the web site I posted in #33 and see a plane that has had it done already using...
Forum: Aerodynamics
10-01-2013, 06:54 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Actually with a 8 degree dihedral that would be...

Actually with a 8 degree dihedral that would be hard to do and not change dihedral which has a lot to do with it's flight characteristics which I do not want to change and on top of that the gear...
Forum: Aerodynamics
10-01-2013, 05:23 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

spacewFor those that would like to see my wing...

spacewFor those that would like to see my wing build watch for it here shortly, www.rcuniverse.com/forum/kit-building-121/11510569-sig-spacewalker-ii1-4scale.html...
Forum: Aerodynamics
10-01-2013, 05:13 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

I was referring to my plane and wing not his, so...

I was referring to my plane and wing not his, so who is reading something else here. I know Bob pretty well and I think he will understand what I meant as that's who the statement was addressed, not...
Forum: Aerodynamics
10-01-2013, 04:02 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

No, I'm just getting started and gathering...

No, I'm just getting started and gathering information, I usually study the assembly manual and plans on all my builds, there may be things I want to change. This whole thing came up when I ran...
Forum: Aerodynamics
10-01-2013, 03:25 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Bob the thing I don't quite get is the wing...

Bob the thing I don't quite get is the wing joining instructions addressed that issue on the joint and provided all materials to do it, so how does making the wing a 3 piece change (if it does) any...
Forum: Aerodynamics
10-01-2013, 11:41 AM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

"Ok" you ask me a question, first, I'm sure you...

"Ok" you ask me a question, first, I'm sure you have built a one piece wing by building a right and left wing panel and joining them together per instructions and set dihedral, done deal, cover and...
Forum: Aerodynamics
10-01-2013, 11:03 AM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Bob that sounds down right scary, it's hard to...

Bob that sounds down right scary, it's hard to imagine those kind of forces. I understand a lot of this stuff and I like to think I know how forces equalize across any given surface however where a...
Forum: Aerodynamics
10-01-2013, 10:21 AM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Mr. Matthews you been around here a long time and...

Mr. Matthews you been around here a long time and what I'm going to say is something you have seen many times when a simple question is turned into a controversy unrelated to the question at hand and...
Forum: Aerodynamics
09-30-2013, 08:06 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

da Rock the wing is designed as a 1 piece and I'm...

da Rock the wing is designed as a 1 piece and I'm making it a 3 piece, fixed center section with the remainder of wing sections being slip tube installed. Read my very first question, it has nothing...
Forum: Aerodynamics
09-30-2013, 07:59 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Personally I think that location is good if the...

Personally I think that location is good if the wing foil is a constant and spar is at the high point of it, it's a different matter on a tapered wing like an Edge 300 where the tube is more centered...
Forum: Aerodynamics
09-30-2013, 07:50 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Art it sounds like you are on the right track...

Art it sounds like you are on the right track also, the thing to determine is how large and long your tubes need be to provide the needed support, There are aluminum tubes but probably should go with...
Forum: Aerodynamics
09-30-2013, 09:11 AM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

OK, that is easier to grasp and I guessed that...

OK, that is easier to grasp and I guessed that about the tube placement however I don't think that applies to this wing because the spar runs 90 degrees to the ribs and point of joint. I think you...
Forum: Aerodynamics
09-29-2013, 08:33 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

I may end answering my own question. Every wing...

I may end answering my own question. Every wing design will have a lateral line running the length that is the center of the forces going over it (balance point) that is where the strength is needed...
Forum: Aerodynamics
09-29-2013, 08:10 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Bob you gotta show me where a tube sleeve has...

Bob you gotta show me where a tube sleeve has ever been used to replace shear webs in any wing, what have you been drinking these days.

Leroy
Forum: Aerodynamics
09-29-2013, 08:06 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Nope, you didn't read the question. First of all...

Nope, you didn't read the question. First of all I'm the designer of the changes, secondly, the wing sleeve is not a strengthener it's a guide, ribs are the support for tubes and I will make the...
Forum: Aerodynamics
09-28-2013, 08:41 PM
Replies: 38
Views: 6,665
Posted By Leroy Gardner

Wing tube location

I'm making a 3 piece wing on a 1/4 scale spacewalker 11. My plan is to have a fixed center section 22" wide with 11" of tube in it both sides, The remainder wing length will be 31" per side and tube...
Showing results 1 to 18 of 18


 
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