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Thread: bomber bishop main pin problems
01-25-2009, 04:58 PM #1
bomber bishop main pin problems
Anyone have experience with main pins snapping on bomber bishops? I cracked a short pin last weekend and broke a long main pin this weekend. Both happened ion extemely cold temps. I currently have 2nd ski kits on 3 pairs of skis but now am worried that if these binding can not withstand cold temps I have to abandon them and rebuild my entire tele quiver. What do I do? Just replace the long main pin and keep fingers crossed this doesn't continue to happen? Not happy.Uno mas
01-25-2009, 05:54 PM #2
I have snapped them before. I just ordered new ones. It is good to have spares just in case. My issue did not happen in cold temps. They are nice and quick getting them out.
In some ways I think they should just use a straight pin with a sleeve overlaid. Less stress risers than with the extra machining that they do on the step down part.
The only issue I had with the cold was water freezing in the tube and the slide jamming open when flexed. Almost had a runaway ski. THis wasa user error issue though.Recently overheard: "Hey Ralph, what were you drinking that time that you set your face on fire?"
01-25-2009, 05:58 PM #3
01-26-2009, 05:46 AM #4
Last edited by Doremite; 01-26-2009 at 05:48 AM.Uno mas
01-26-2009, 08:07 AM #5
I have never broken pins, but I have gone through 2 spring tubes. I recently purchased a 2nd complete binding to use as a backup for my first pair. Sucky though. I might be going NTN if I bust another tube."What moves men of genius, or rather what inspires their work, is not new ideas, but their obsession with the idea that what has already been said is still not enough."
01-26-2009, 03:02 PM #6
Got a little more action on this topic over on TTips - not surprising - and sounds like it could be a combination of problems.
1. I have to check but one of the heel cradles might be slightly skewed (I believe one is due to personal mount sloppyness and guessing its the same ski that I had problems with the main pins on - both breaks occured on the right ski a/k/a dominant turn).
2. The slight skewing when resting in the heel cradle led to lateral pressure on the main pins causing the pins on that ski to lossen from time to time leading to me excessively tightening them putting more and more torque on the screw (which can weaken it over time). And...
3. Extremely cold temps combined with overly torqued screws combined with a mount error that puts lateral strain on the pistons and viola.... chaos ensues.....
This is my theory as of now. Won't be able to get back up to my skis in VT until later this week to confirm my right ski in fact has a skewed heel cradle but I'm willing to bet this is my problem.
New long main pivot, toe box and adjusting my heel cradle will hopefully equal no further pivot problems.
Still open to other suggestions and certainly open to people shooting holes in my theory. Need to get to the bottom of this before I break any more of these things... especially considering Bomber is out of short main pins.Uno mas
06-23-2009, 11:08 AM #7Registered User
- Join Date
- Jun 2009
Anyone know why they are not making the Bishops again for next season?
06-23-2009, 12:59 PM #8Originally Posted by RootSkier
06-24-2009, 10:22 AM #9Registered User
- Join Date
- Jun 2009
You are damn right. Thanks for the help.