How would YOU fix this?

[Nomad]

I belong to a subscription website and the owner has this to say, which I think is very apropos to the present discussion.

"This is a community. Your goal should be to shed light, not create heat. If you think you have a better answer than someone else, make the case for your recommendation. Show specifically why yours is better, not why the other suggestions are worthless. The accent is on specific."

[sunshine wr]

At point A I would make mini bullseye to connect air in original damage to crack and at point B to terminate crack. Fill as needed

[puka pau]

sunshine wr;

That's a valid recommendation. The only problem with drilling at point "A" is ensuring that both the crack and the void are connected (or even if the drill hole at point "A" and the void are connected). That often turns into a crap shoot. If you drill there and fail to connect the void and the crack, you'll have to drill a third hole somewhere else in the void to present access for the resin to fill the void. So the two choices are gamble or play it safe. Gamble and lose, you drill three times. Play it safe you drill twice. Your call.

Cheers;

Puka Pau

[sunshine wr]

If "A" failed to connect void and crack, I would just fill mini bullseye at "A" and crack from "B". I wouldn't drill any other holes.

[Brent Deines]

Correct me if I’m wrong , but the original post stated that the damage had already been repaired, in which case there would have been no point from which to access the air space that remained. Therefore it would seem that the only way to access the air space in this particular break would be to drill.

I'm with sunshine wr. Drill and pop the end of the crack to terminate, and back fill the crack. If the air space within the previously repaired bullseye does not fill when the crack is filled, cure the crack, then drill and fill the air space in the bullseye, thereby properly terminating both ends of the crack.

No we do not teach drilling a bullseye at Delta Kits, unless there is no surface damage, or as in this case when necessary to fill areas that were not properly filled in the original repair attempt. I would not drill into the center in this instance, but into the visible air pocket. I'll let Glasstime speak for himself, but I think his original post may have been misunderstood. I took it to mean he would drill into the center of the air space.

Proper procedures to make sure the damage is clean, dry and at an acceptable working temperature should of course be performed prior to repairing the crack and remaining air space in the bullseye.

In any case this is just my opinion based on my experience. Is that different than me giving advice? I don't know...I'm so confused! As with most things, there may be more than one way to accomplish the task at hand.

[puka pau]

I've re-read the posts in this thread until my vision started to blur - but then I'm a self-admitted geezer so my eyesight isn't what it used to be. It's entirely possible that Glasstime meant to drill the center of the void instead of the center of the bullseye and if that's what he meant I offer my unqualified apology for getting my knickers in a twist as I'm sure everyone else who critcized him would do. However, nowhere in his responses to criticism do I find any evidence that he qualified his remarks thusly. If that would have been me I would not have wasted any time making sure that I was properly understood.

The graphic depicts a short crack emanating from a bullseye that includes a void entirely surrounded by cured resin. In my experience I have never (well, never say never, but I can't remember when) succeeded in geting uncured resin to flow through cured resin. So if sunshine wr drilled at point ''A" in his interpretation of the graphic, and began filling the crack at point "B" how did he expect the resin to flow from the tip of the crack, along its length, through cured resin to the void? Again, in my experience, every time I whacked the drill hole at point "A" in an attempt to acquire the resquisite breakout hard enough to fracture the cured resin enough to get the uncured resin to flow through I only succeeded in making the damage worse - normally I'd create additional short cracks which, of course created more work and left me frustrated and PO'd. And believe me, I love to experiment just to see what will happen, so I've whacked that drill hole at point"A" with slide hammers, scribes, sewing machine needles, spring-loaded center punches and kung fu blows - to no good end. The odds of connecting the beginning of the crack at the edge of the bullseye with the far right edge of the void by drilling and popping at point "A" are way less than acceptable - in both my opinion and experience. That's why I suggested drilling at point"B" and somewhere in the void and eliminating the possibility of having to drill a third time if (probably) drill point "A" doesn't provide the intended result.

Cheers;

Puka Pau

[Brent Deines]

Well this is all speculation based on a graphic that really does not show us what is cured and what is not. My take on it was that there was no crack originally which would mean that the entire crack would be open, presumably emanating from the air space that remained in the middle of the bullseye. Assuming that was the case it may be possible to successfully fill from either end of the crack, or even from the middle with only one drill hole. In my experience that is unlikely and therefore a gamble so I would probably drill both ends, but I might very well change my mind once I saw the actual break.

Again, this is all speculation on my part as I have not inspected the break, but only a line drawing of such. Obviously some of us have a different "guess" as to what was going on with the break, so naturally we will have different opinions on how best to repair it. It's a bit silly to argue over a line drawing as if I were to repair that I would just use a good eraser.

[sunshine wr]

The objective of point "A" was to cnnect air space w/ crack.

[puka pau]

sunshine wr:

I understand what your intent was in drilling at point "A". I don't understand why you would have drilled there instead of drilling directly into the void. Could you please explain why you would have chosen to drill there?

Cheers;

Puka Pau

[sunshine wr]

to connect air space w/ crack. with a single access point in a less conspicuous spot.