Does anyone here sell a ready to use flying lines, 0.015, either 65ft or 66ft?
If you can make me those lines, please send me your offer.

If you buy Sullivan ready to use lines make sure you check the length as many sets have been several feet off.

It isn't that hard to make up lines.  You make one end in the shop.  Then go outside where have plenty of room and roll the lines out attched to the plane.  I use stakes in the ground to hold the plane.  Go to the handle end where you have the length marked that you want.  Also have your handle so you attach to it when a line is done.  Then make the other line adjusting so the stab is nutraul  I get my lines in bulk and do two spools.  You know the length you think you need may not be right for the plsne and you may nee shorter or longer lines.  If you do a search on the forum you will see how the lines are done.  Alsomost ready to use lines are crimped which is not realy safe.  Hand wrapping is most popular.  I myself have a swagging tool to do mine. .   

OR do the inside ends , run em out , fold with both evenly stretched - ( maybe run a rag don to ' untwirl ' first - So Less Stretchy ) .

I pull through N N pliers so ' twang ' is EVEN . THEN - BOTH lines are the SAME LENGTH . Do not do one whole line then the other .

If a model is set up for SS lines and tip-weight balanced, if you just change to Spectra you 'might' have to reduce the tip weight. Just fly the model w/ Spectra and you will know.

60' 0.018 SS lines might produce say 1/2 to 1 oz of static weight on the inboard wing. Compared to SS, Spectra will produce almost no added static weight.

One other thing I have experienced. Spectra does have a little less drag in flight compared to SS. I have noticed a slight increase in model pull with Spectra which makes sense to me.

Spectra also has a little more line stretch compared to SS. Not much, but it is there.

But if sport flying, the above is really not an issue. But may be an issue for a serious competitor.

Just my 2 cents.

See your 2cents and raise you two!  I have found the same increase in line pull.  It is welcome.  The line stretch is about the same as SS if you pull the Crap out of them before flying.  I fly on 80# and pull the lines at 50# each for about 5 min. then do about 5 short pulls. 

Not going back to SS - Ken

Raise U another 2.

I am actually trying to reduce the pull on one of my models (my heavy Vector 40). Was using Spectra, so I am now trying 018 SS. Pull was reduced (a little) as expected.