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[mtntop]

   I think it was Eric who first posted his smooth Quicksilver, Mine was getting pretty dinged up so I thought I would try the facelift myself It plays really nice and look Ma I've lost my groove and I couldn't be happier.

    The Duncan is an experiment, it works really well. I have been playing with topless tops a lot lately so I decided to mod a ripcord. It did play well but I wanted to get an easy wrap with a longer string so I added a slight groove ( yeah I do See the irony of chopping the top off a ripcord and adding a groove ) this centers the string as I wrap it from the knot at the tip then all the way around trap the Knot at the tip and wrap as usual. I had it balanced with some putty but then went with removing some material instead.





                                                                                                                                                                                                                                                     

[Neff]

Yes!  more senseless grooves eliminated!
That rip chord mod really captures my interest.  Sure the holes are gonna cause drag, but the asymmetry I like.  I haven't tried a topless top for quite some time.  What do you like about the play?

Curious, how to you get your RC on a lathe?  I've used a bolt with a couple of washers and a lock nut before, seems to work ok.

[ta0]

Wow! We have some drastic modders on this board! Good bold work!

I am guessing that if you do not drill the holes completely through the wall they will add less (very little) drag. However, if you drill them throughout, air in the inside will be ejected by centrifugal force, like on a whistler, and probably will add drag. Perhaps you could experiment with a little piece of tape closing the hole inside and see if it makes a difference.

[mtntop]

  On the ripcord I was giong for a smooth inner edge because I'm working on some thumb grinds that weren't possible with the putty inside. I like the tape idea I'll give it a shot see if there is any noticable difference. As far as how it plays It is very very stable it likes to stay upright and is very good for magnetic wire/Blizzard style tricks. It regens and wirewalk great as well a lot of fun!! On the lathe I trap the RC with a short stainless steel rod (I got a wide variety of sizes from Ace Hardware) in the tip seat then pinch the shell with cap removed between the live center and the steel rod it drives it nicely. It is basicly what Alan posted on the recent HP mod.

[poptop]

Nice work--thanks for posting it up.  I am curious to know how you worked the plastic?  turning tools, sandpaper?  Any trouble burning/melting the plastic?

I'm also surprised how much material needed to be removed to strike balance--Insightful for trying to figure out just haw much weight is involved, be it from putty, or via subtraction.  Do you balance your tops using the static method, or the spin, balance, spin, rebalance method?

Thanks Joe!

[mtntop]

  The Plastic worked quite nicely I was worried about burning as well but had no problems. I just used my wood tools and sandpaper a chainsaw file for the top groove. I use the spin and shift method on balancing (I look at an imperial as a personal challenge) Usually with good results. Oh and just a note but thanks to Neffs video I made the tri color string on the rc mod Thanks Chris now if society crumbles I will still be able to make tops and string ( Now if I could only make a button)

[poptop]

Thanks!  For the holes, did you simply start with a small bit/hole and keep making it bigger until balanced?

[Trevor]

Woo, sweet looking QS & topless top.
I love it, time to "kill" my next RC. 

[mtntop]

To balance with the holes first balance with some putty. Then start with a small hole directly across i put a small square of electrical tape where i intend to drill so the bit can get a bite and not jump around and scratch your top. remove putty and tape give er a spin repeat until perfect balance is achieved Enjoy