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RE: The new Tornado sport jet - 1/12/2013 7:39 PM   
BlueBus320



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ORIGINAL: Xairflyer

Cutting a servo lead and adding in wire is not a very clever idea, especially if you have to change out a servo.

You simply buy 5M or 10M lengths of servo cable, plus the plugs and sockets and make the leads yourself to suit, for about 1/10th the price of buying leads and then messing about soldering them up.


This is what I've done successfully for years on big 40% & Jets without ever having a single issue (in the air, I've screwed up a few during installs). You have to have a good quality supplier though, there are garbage connectors out there that look really good on the websites. Where can I buy quality braided servo wire with quality connecters?

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RE: The new Tornado sport jet - 1/12/2013 8:15 PM   
Woketman



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Status: offline 		That is exactly what I do. What ever made you guys think that I was cutting the servo's wire and extending it. If you knew that the servo would forever be used in that one application, then that may be OK, but I never do that. I am talking about soldering in an extension into the middle of a servo extension. Thus making up a custom length extension.

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RE: The new Tornado sport jet - 1/12/2013 8:27 PM   
BlueBus320



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ORIGINAL: Woketman

That is exactly what I do. What ever made you guys think that I was cutting the servo's wire and extending it. If you knew that the servo would forever be used in that one application, then that may be OK, but I never do that. I am talking about soldering in an extension into the middle of a servo extension. Thus making up a custom length extension.


There is no solder required to make your own servo extensions. Just buy a roll of high quality servo wire (I like braided), get the male/female housings & the pins & go to town. Custom made servo extensions of the highest quality & completely custom legnthed to your application. Saves weight & makes for a neater install also because there is not a lot of extranious servo wire material lying around

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RE: The new Tornado sport jet - 1/12/2013 8:53 PM   
Woketman



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Status: offline 		I have done that too, in the past. But I never felt as confident doing the manual pin crimping (yes, I bought the right tool, still the factory-done crimps were always more uniform looking to me). But the wire soldering I am 110% confident in and have never had an issue. The weight gain from the extra solder joints is meaningful on a park flyer, but not on typical jets. So yes, I agree that if I felt totally confident in the crimping, that would be the preferred way to go, but just not for me.

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RE: The new Tornado sport jet - 1/12/2013 9:47 PM   
Instructor



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Status: offline 		Why is it that when someone does something different from anyone else, it not the proper way of doing it? If woketmen feels comfortable with adding the extension in the middle and soldering it, who cares. Not only that, it's his money. If he wants to buy $50.00 worth of extensions, cut them and add to it, why shouldn't he? It's his jet, or 3D airplane, not yours. Now if you want to come on here and tell him "It's not safe doing it like that", then you had better back it up.....

Larry

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RE: The new Tornado sport jet - 1/13/2013 1:11 AM   
Woketman



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Status: offline 		Well, I did not take any of it as any criticism in any way. These forums are here to swap ideas. Just trying to help and save some folks some $$$. But yes, everyone here should most definitely always point out any unsafe ideas. Could prevent a tragedy someday.....

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RE: The new Tornado sport jet - 1/13/2013 2:09 AM   
BlueBus320



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quote:

ORIGINAL: Woketman

Well, I did not take any of it as any criticism in any way. These forums are here to swap ideas. Just trying to help and save some folks some $$$. But yes, everyone here should most definitely always point out any unsafe ideas. Could prevent a tragedy someday.....

Yeah, I don't see anything unsafe about your method. I use all available resources, a lil of this & a lil of that.. Since I have not been able to find a quality supplier for making my own, I've been doing plenty of splicing. I find a good technique to be to use three pieces of heat shrink, one for each solder connection, & one larger longer to encase the entire thing. I don't think you can go wrong that way either. I'd just suggest putting the solder connection somewhere it will not bend/flex a lot.

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RE: The new Tornado sport jet - 1/13/2013 2:54 AM   
essyou35


 

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Status: offline 		I have a turbine f-16, I used 22 guage braded servo wire from custom electronics. Braided is ok but it not stay straight very easy. The smaller guage they sell is very brittle and I had problems with it.

I have only crimped mine as soldering them will also make them more brittle if any solder goes up under the insulation. If you use the crimping method, do not over crimp, else it becomes brittle.

So another point to consider is there is some risk in making your own extensions, its not easy and I would not learn to do it on a turbine jet. Try a smaller plane/jet first.

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RE: The new Tornado sport jet - 1/13/2013 3:32 AM   
Woketman



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quote:

ORIGINAL: BlueBus320


quote:

ORIGINAL: Woketman

Well, I did not take any of it as any criticism in any way. These forums are here to swap ideas. Just trying to help and save some folks some $$$. But yes, everyone here should most definitely always point out any unsafe ideas. Could prevent a tragedy someday.....

Yeah, I don't see anything unsafe about your method. I use all available resources, a lil of this & a lil of that.. Since I have not been able to find a quality supplier for making my own, I've been doing plenty of splicing. I find a good technique to be to use three pieces of heat shrink, one for each solder connection, & one larger longer to encase the entire thing. I don't think you can go wrong that way either. I'd just suggest putting the solder connection somewhere it will not bend/flex a lot.


That is EXACTLY my same shrink tubing method! Three small on each wire and one big one over the entire thing. I try to make the big one extra long to give a gradual stiffness relief where the wires may fatigue at the transition point from solder soaked back to flexible.

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RE: The new Tornado sport jet - 1/13/2013 10:17 AM   
corndog2


 

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quote:

ORIGINAL: Woketman


quote:

ORIGINAL: BlueBus320


quote:

ORIGINAL: Woketman

Well, I did not take any of it as any criticism in any way. These forums are here to swap ideas. Just trying to help and save some folks some $$$. But yes, everyone here should most definitely always point out any unsafe ideas. Could prevent a tragedy someday.....

Yeah, I don't see anything unsafe about your method. I use all available resources, a lil of this & a lil of that.. Since I have not been able to find a quality supplier for making my own, I've been doing plenty of splicing. I find a good technique to be to use three pieces of heat shrink, one for each solder connection, & one larger longer to encase the entire thing. I don't think you can go wrong that way either. I'd just suggest putting the solder connection somewhere it will not bend/flex a lot.


That is EXACTLY my same shrink tubing method! Three small on each wire and one big one over the entire thing. I try to make the big one extra long to give a gradual stiffness relief where the wires may fatigue at the transition point from solder soaked back to flexible.



Make sure that the flux you use is acid free when you solder servo wires

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RE: The new Tornado sport jet - 1/13/2013 10:48 AM   
phantom_najd


 

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quote:

ORIGINAL: corndog2


quote:

ORIGINAL: Woketman


quote:

ORIGINAL: BlueBus320


quote:

ORIGINAL: Woketman

Well, I did not take any of it as any criticism in any way. These forums are here to swap ideas. Just trying to help and save some folks some $$$. But yes, everyone here should most definitely always point out any unsafe ideas. Could prevent a tragedy someday.....

Yeah, I don't see anything unsafe about your method. I use all available resources, a lil of this & a lil of that.. Since I have not been able to find a quality supplier for making my own, I've been doing plenty of splicing. I find a good technique to be to use three pieces of heat shrink, one for each solder connection, & one larger longer to encase the entire thing. I don't think you can go wrong that way either. I'd just suggest putting the solder connection somewhere it will not bend/flex a lot.


That is EXACTLY my same shrink tubing method! Three small on each wire and one big one over the entire thing. I try to make the big one extra long to give a gradual stiffness relief where the wires may fatigue at the transition point from solder soaked back to flexible.



Make sure that the flux you use is acid free when you solder servo wires


I was going to make the same point. You either use acid free flux and make sure that the solder you use has acid free core (?) or better use iso-propel alcohol or acetone with acid brush to thoroughly clean the solder joint.

Azzam

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RE: The new Tornado sport jet - 1/13/2013 11:16 AM   
BaldEagel



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Status: offline 		Something I have done in the past to avoid bulk being threaded down booms and into wings is to take the outer plastic casing off the plug and socket and plug the leads together and shrink wrap them individually and then shrink wrap them all together if that makes sense.

Mike

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RE: The new Tornado sport jet - 1/13/2013 3:18 PM   
5skyhawk172



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Status: online 		Never thought of that.  That's a great idea. Keith

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RE: The new Tornado sport jet - 1/13/2013 3:27 PM   
5skyhawk172



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Status: online 		How about soldering the pins together then shrink wrap them.

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RE: The new Tornado sport jet - 1/13/2013 3:35 PM   
BaldEagel



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ORIGINAL: 5skyhawk172

How about soldering the pins together then shrink wrap them.


That stops you from being able to change the servo easily, and once shrink wrapped they don't need soldering, also a replacement may be needed, nine times out of ten I change a servo because I want to upgrade a control surface for better resolution on what is turning out to be a worthwhile airframe.

Mike

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RE: The new Tornado sport jet - 1/13/2013 4:33 PM   
Instructor



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Status: offline 		That's true if you want to change a servo, but I think he ment along the fuse or in the wing for an aileron servo. I like to make paper tubes to run my lead through so if I have to change a lead, it's just a matter of pulling out the old one and inserting a new one. Also, if you are lucky to keep a plane longer than a year, the leads don't get chaffed from rubbing on the ribs. I do the same thing with the fuselage. Then they are covered with aluminum tape or BVM heat shield in my jets.......

Larry

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RE: The new Tornado sport jet - 1/13/2013 4:56 PM   
747junky


 

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Status: offline 		  Well to my surprise after I got home last night from Flying across the globe, my wife had a box in my work shop and it was my new Tornado. I was excited because I sold my last one and they have been sold out or a while and Henry too me to hop off till this batch anyway because there was going to be alot changes and boy there were. 

The plane looks great I think the best one I have seen I terms of quality. The craftsmanship is excellent and yes all the glue joints are perfect. Looks like they did it right this time. The new fuel tank is awesome for my new K100 that I got with it.  Barry at King Tech is always so helpful. I got the Blue and yellow and will be putting smoke system in it. Henry made me a custom drop tank for te bottom of the plane so I have around 40 oz of smoke juice. 

Great job. See you guys at Florida Jets I will be there with my Tornado and Der Jet Cougar

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RE: The new Tornado sport jet - 1/13/2013 5:09 PM   
TUMBLER


 

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Status: online 		Yep, me too. I always cut and soldered extensions together and have never had an issue in 20+ years. I will buy a 36" extension and cut it down to 30" for example or if a servo goes bad and its tough to run a new extension through the plane, it cut off the servo and solder a new one right to the old wire.


quote:

ORIGINAL: BlueBus320


quote:

ORIGINAL: Xairflyer

Cutting a servo lead and adding in wire is not a very clever idea, especially if you have to change out a servo.

You simply buy 5M or 10M lengths of servo cable, plus the plugs and sockets and make the leads yourself to suit, for about 1/10th the price of buying leads and then messing about soldering them up.


This is what I've done successfully for years on big 40% & Jets without ever having a single issue (in the air, I've screwed up a few during installs). You have to have a good quality supplier though, there are garbage connectors out there that look really good on the websites. Where can I buy quality braided servo wire with quality connecters?



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RE: The new Tornado sport jet - 1/13/2013 5:12 PM   
Xairflyer



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Status: offline 		Not sure if the "you better back it up post" was aimed at me over my comment but if you read it again I said cutting a servo lead and adding in wire is not a clever idea, safety was never mentioned.
If you cut a servo cable and add in a length of wire, then feed it through a wing or boom and later you have a problem with a servo or strip a gear you have to pull the whole thing back through again and then repeat your extension with the new servo. That was my only point.
If you cant make a servo lead yourself then extending a servo extension with wire is yes still better than plugging together three or four extension leads to make up the length.

Woketman
I agree about your point crimping the pins, but if you have a few basics correct you can produce a factory type crimp.
Proper servo pliers:-
Correct crimps:-
crimps must be the type with the pointy tabs not the ones that are squared off, these are useless for using with a crimping tool as they don't allow the tabs to fold along side each other properly.
Correct grade of wire:-
Too thick of wire and twisted silicone wire which is common used in jets, is very difficult to crimp correctly due to the thickness of the insulation. You can get a very good crimp with normal servo wire (what the crimps are designed for) everytime, but a bit more skill is needed and really a different crimp with longer tabs for the thicker stuff.
I used to only use twisted wire but now unless they are pre-made extension leads I now only use the flat stuff, gone are the days where it was said twisted was better to prevent EMI, RFI etc now with 2.4ghz.

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RE: The new Tornado sport jet - 1/13/2013 5:39 PM   
Instructor



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Status: offline 		If you have the proper tools and the skills to do it, then by all means do it. Because someone rather make up the leads his way, does it mean he shouldn't? That was what I was trying to say. Everyone of us on this forum decides to do thing our way, does that mean they are worng? If someone has 39 years of flying, and has always made their own extension leads, the way they disscribed here, are you going to tell them they shouldn't do it that way? Sure you are, but that doesn't mean they are going to change the way they have always done it just because you say so. Getting to "you point", I'm sure they didn't hardwire the servo to the extension lead. If they have been doing it this way, then yes you are correct is saying "It's not clever to do it that way". I have read most of the threads on this post up to this point, and I don't see anywhere he mentioned that he "hardwired" the servo to the extension. If I have learned anything from this post is this, there are going to always be someone that says "you shouldn't do it that way". That doesn't mean it's correct or not. As long as they are satisfied with it and have never had a problem, who are you to tell them they "should not do it that way"???

Larry

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RE: The new Tornado sport jet - 1/13/2013 6:09 PM   
BaldEagel



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ORIGINAL: Instructor

That's true if you want to change a servo, but I think he ment along the fuse or in the wing for an aileron servo.

Larry


You have posted "who are you to tell anyone they are doing it wrong", so your rolling eye's quote at the beginning of your reply is unnecessary and quite rude.

In my 50 odd years of flying RC I have used every type of extension lead, they all work if you have the skill and knowledge to do the work.

Mike

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RE: The new Tornado sport jet - 1/13/2013 6:36 PM   
Instructor



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Status: offline 		So what you are trying to say is this, "Unless you have the skill I do, then you shouldn't be making up your own servo leads", is that correct? I guess having 39 years of flying under their belt is just a fluke? They must be doing something right, don't you think? All I'm saying is this, "As long as the person making up his/her own servo leads feel OK with it, what's the problem"? Im's sure if they had a problem during the length of time they have been flying, they would ask for advice, not have someone come on here and tell them they have been doing it wrong. I think you just want to be noticed for what you have accomplished, and I don't have a problem with that. But give credit to the other people that have been flying for a very long time. They must be doing it RIGHT. With that I'll drop out of this disscussion, because I feel that I'm just feeding you, and you enjoy that more.........

Larry

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RE: The new Tornado sport jet - 1/13/2013 6:42 PM   
737Driver


 

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Status: offline 		Thank you everyone for the extension ideas, and some bickering. The AMA show yesterday had many different lengths from 2" to 18". They were $2.00 each and I bought a mess of them!! I'm taking the lazy way out rather than custom lengths. I have to pick up servos and that's it! My Blue/Yellow bird should be here next week. Man, that K100G is a good looking motor, can't wait to hear it run and wake up all the neighbors!! At full power, I'll put all the leaves back in their yards!!

Tom
737 Drvr

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RE: The new Tornado sport jet - 1/13/2013 6:44 PM   
Xairflyer



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Status: offline 		Mike what is it with this Tornado thread,

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RE: The new Tornado sport jet - 1/13/2013 7:17 PM   
Woketman



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Status: offline 		$2 each, no matter what the length? WOW!!! Can we buy the same deal from that vendor on-line somewhere? I'm about ready to stock up, its been a while!

And as I said earlier, I just don't trust my crimping skills, even if I had the best tools available. I'm getting too old and set in my ways, so I would do nothing but worry about the crimps. Soldering, on the other hand, I have done so much of and never had an issue that I feel it is foolproof for me. So that is the way I have to go!

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