Could someone please tell me the distance from ball joint to ball joint of the elevators and ailerons, so i could order the correct size H9 titanium links? or what lenf=gthe to order , please
http://troybuiltmodels.com/GHardwareLinkages.htm

http://www.downonthedeck.com/images/...wh-edge_18.jpg




also to DL50 owners.... Tom said in a previous post that the extra requires and additional 3/4" standoff, is it the same for the Edge as well?

On mine the only place they worked out without cutting and custom threading them is at the ailerons. That was with two different planes btw. With the servo output shaft towards the leading edge 4" works. At the elevators with the output shaft forward you would need something about 5-3/4" for the threads to have any bite. With the output shaft aft it would have to be about 5-1/4". You don't want to be cutting off threads to make them fit. You only have about 1/2" of thread on each end and you want maintain a minimum of 1/4" of threaded rod inside the ball link.

Just make the elevator linkage using 4-40 all thread and the composite tubes that came with the hardware kit. A lot cheaper to do the ailerons that way too. A side note about the elevator linkage. You want both sides to be exactly the same length if at all possible to equalize the servo geometry at the elevaor. If one side is shorter than the other you will run into deflection problems. This is with any plane that uses separate elevator halves. The servo arm at each elevator servo should also be positioned the same as the other side before you start making any other adjustments.

thanks pat, much appreciated

Another option is using the titanium linkages offered at Lunsford Racing. www.lunsfordracing.com

They come in 1/8" increments and have one that fits a 4-40 ball link. Give 'em a call and they'll hook you up.

Jon

I just took a look at those. The 4mm turnbuckles go up to roughly 5-1/16" and are sold at a price each. You'll need to have a desire to spend a whole lot of money for linkage rods at that length. Longer would require the 5mm for even more $$. The 3 and 3.5mm turnbuckles are not made long enough for the elevators. At that kind of money for two rods you can make for less than a buck, getting "hooked up" would be an appropriate term.

But hey, if that's what someone wants to do, spend it.

What Tom sells is way more than you will ever need and the price is right!!!!

Pat,

I agree they are expensive. Last time I ordered from them I was setting up a 2-servo tray and they had the right length for a pair of links, and I needed four links. I never really looked at the prices for the longer links, and I guess when I did I was thinking "pair" and not seeing "each" on the prices. You gotta admit though, it is nice having them available in pretty much exact lengths for your needs, even though they are expensive. Beat's having to cut and then worring about having enough thread in the ball link to stay safe.

Oh! I also remember that their shipping was only a couple of bucks, but now it is $6.95.

So, that being said, at one time it was cheeper to buy titanium links at Lunsford Racing to set up your giant scale planes. Doesn't seem to be the case now.

Jon

(oops)

thanks, they look sweet, but H9 titanium links is expensive as i want to go