Tool for prince o port

[Lakers4Life]

Originally Posted by jim e

I have never heard of using a brake in conjunction with boomerang. If brake is used that is all needed. I don't use a boomerang. I string my share of racquets, and the boomerang increases more friction.I used the boomerang just one time, and that was enough. Brake works just fine, no issues and stringing as normal.
If you have a good brake system, that is all that is needed.

It's stated in most recent Prince stringing instructions for O-port rackets. I believe that using the brake in conjunction with the boomerang puts less stress on both the boomerang and brake.

Some brakes are not as strong as others, like on the older Gamma machines like the 5003. It's brake consists of a brass pin against the center shaft of the turntable. When I had my 5003, the TT would slip with the brake fully engaged. The 6004 of the same production years used a hard rubber brake pad, that contacted a gear like center shaft. The later model of both machines have switched to the turnstyle and pin brake.

[Tennusdude]

Originally Posted by Brocolt

Where can I quickly get the little tool for putting in the open grommets of the prince rackets like exo for stringing?

Please forget about getting the tools. I got all them myself from prince and they work extremely poorly causing substantial tension loss on the cross strings.
Use 50/50 method for stringing the crosses. I believe Irvin has a video explaining how to do this. It is relatively easy and trouble free.

[mikeler]

Originally Posted by Tennusdude

Please forget about getting the tools. I got all them myself from prince and they work extremely poorly causing substantial tension loss on the cross strings.
Use 50/50 method for stringing the crosses. I believe Irvin has a video explaining how to do this. It is relatively easy and trouble free.

I use the 50/50 method and do it the way Irvin does in his YouTube video.

[Lakers4Life]

50/50 crosses requires a starting clamp for swivel clamps machines. It can be done on a glide bar machine like a Neos 1000 or with floating clamps. Though a NEOS 1000 does have a brake, so it's not necessary to do a 50/50.

[jim e]

[quote=Lakers4Life;7154425]It's stated in most recent Prince stringing instructions for O-port rackets. I believe that using the brake in conjunction with the boomerang puts less stress on both the boomerang and brake.

/QUOTE]

Still if you have a good brake system, thats all thats needed.
I have strung a great deal with just using a brake with no issues at all.
It depends on your machine.

[COPEY]

Originally Posted by stringwalla

Not much of a regular poster here, but have enjoyed reading some of the threads. Fun to see the enthusiasm of beginners, as well as the over-analysis from the more experienced hands...

Right on the mark. Jim, I think everyone understands that if you have a good brake inquiring about alternate methods is moot. If you don't have a good brake (or your machine isn't equipped with one), then find out what the alternatives are and pick the one that suites you best. Mikeler likes the 50/50, some like boomerangs, I prefer the s-hook. A simple answer to a very simple procedure.

[Irvin]

Originally Posted by Lakers4Life

50/50 crosses requires a starting clamp for swivel clamps machines. It can be done on a glide bar machine like a Neos 1000 or with floating clamps. Though a NEOS 1000 does have a brake, so it's not necessary to do a 50/50.

Glide bar machines also require a starting clamp, floating clamps do not.

[Lakers4Life]

Originally Posted by jim e

Still if you have a good brake system, thats all thats needed. I have strung a great deal with just using a brake with no issues at all. It depends on your machine.

Exactly!

Originally Posted by COPEY

Right on the mark. Jim, I think everyone understands that if you have a good brake inquiring about alternate methods is moot. If you don't have a good brake (or your machine isn't equipped with one), then find out what the alternatives are and pick the one that suites you best. Mikeler likes the 50/50, some like boomerangs, I prefer the s-hook. A simple answer to a very simple procedure.

To each his own. I'm not a big fan of 50/50 crosses, mainly because, like Jim, I have a good brake (though not the best) system. The OP never stated what machine they have, thus the jump to conclusions of alternate methods.

Originally Posted by Irvin

Glide bar machines also require a starting clamp, floating clamps do not.

I respecfully disagree. Normally on a glide bar machine, the crosses are strung with one glide bar, but if you are doing a 50/50. You can used both glide bars, without using a starting clamp.* Though like COPEY said, it's moot since the NEOS and the like have a good brake system.

*-Any good stringer should have a starting clamp.

[Irvin]

Originally Posted by Lakers4Life

...I respecfully disagree. Normally on a glide bar machine, the crosses are strung with one glide bar, but if you are doing a 50/50. You can used both glide bars, without using a starting clamp.* Though like COPEY said, it's moot since the NEOS and the like have a good brake system.

*-Any good stringer should have a starting clamp.

You're right I was thinking 50/50 not 2 piece 50/50, but I'd still use a starting clamp to start the crosses just like I do mains.

[Irvin]

Originally Posted by tbuggle

you both understand each other. Irvin is being anal about actual tension (a fine argument, if you must based on angles etc..) whereas L4L is going with consistent, repeatable stringing,
IN THE REAL WORLD.

edit: everyone knows, grommets, turns, angles, etc take away from actual tension being pulled.

next.

Tbuggle I am going to have to respectfully disagree with you. When pulling normally at 60 lbs the tensioner and the racket pull with opposing forces to stretch the string and add tension in the string up to the point of the pulling force(s) assuming neither the tensioner, the string, or the racket breaks. When you start adding angles into the equation you add another force into the mix. Normally that force is friction at the racket, boomerrang, sharpie cap, S hook, or whatever and reduces the reference tension applied to the string. (I think) When that angle is at the tensioner gripper (or diablo) that force increases the tension on the string. Most of us have seen the picture of the Wise unit in this forum with the head twisted off that was caused by stringing a Prince racket with a break. When using a break the racket is twisted and locked with the break so the string goes through the port in the correct position. This creates a side force on the gripper. As long as the string, the racket, or the tensioner does not break many think it is ok. I think the side force plus the reference tension is the resulting force exerted on string.

http://dev.physicslab.org/Document.a...ctingAngle.xml

EDIT: also the higher the cross in the racket the greater the angle and the higher the tension on the string. Normally (with conventional grommets) the greater the angle the greater the friction and the lower the tension.

[mikeler]

If I would have bought my machine a year or two later, I'd have the new Gamma brake design and would be using it now.

[tbuggle]

Originally Posted by mikeler

If I would have bought my machine a year or two later, I'd have the new Gamma brake design and would be using it now.

i don't find the new brake to anything special. but it does work, just as disc brake does.

[Irvin]

Originally Posted by tbuggle

i don't find the new brake to anything special. but it does work, just as disc brake does.

The old brake worked like a disc brake the new one is a has a mechanical locking mechanism.

[tbuggle]

Originally Posted by Irvin

The old brake worked like a disc brake the new one is a has a mechanical locking mechanism.

yes, i have one.