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Leaving your bow cocked all day

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721 views 23 replies 16 participants last post by  hunterdan2002  
#1 ·
I have been hunting dark till dark for many years. That's 25-45 days most seasons since my retirement. Never once thought to let my bow down to rest during the day. Comes out about 1500 hrs on my Mission MXB400, 400 hours on my Excalibur BD400, about 1000 hours on my Micro 355, and 350ish hours on my KI X1's. No problems ever on the MXB400, slivers twice on the BD400 that popped up in the off season, my 1st Micro snapped a limb before the season at less than 100 shots, second had splinters twice, both times off season. The first KI X1 died from other causes, it had 300+ cocked hours on it. The replacement snapped a limb in the 1st 10 shots and had 2 others crack before hunting with them. Now X1 #2c is up to over 50 hours and 97 shots.

Interested in other people's experiences and ideas on this.
Long hot day in the blind...with a ticking time bomb on my lap.
 
#4 ·
If you hunt all day you have to keep it cocked all day. I think that is baked in. The problem is if you keep it cocked after a morning hunt with the intention of going back in the afternoon, and YOU DON'T, you may end up with a cocked bow for days (at the very least). I don't think they are set up for that.
 
#8 ·
I am still somewhat on the inside of the industry so I still hear stuff now and then.

From what I have heard there are a lot of the latest and greatest bows breaking, i mean a lot!.

But that's nothing new it's been that way since ravin introduced "the new rifle" a few years ago.

But got to give it to the crossbow guys. They buy um, they break, they send um back, they break they sell um, buy the other companies, they break, they send um back, they break. They decide the don't need a 500fps bow and drop down in speed

Not trying to be funny or make anyone mad it is the way things have been for the last 6 or 7 years. Now I heard tenpoint is selling a warranty. Ravin will be doing the same soon. Both need the increased revenue if they are going to keep selling speed bows
 
#9 ·
On a side note!

Dear lord guys don't go to ups or FedEx to ship. Use one of the shipping apps like pirate ship. Had two guys this week spent $230ish to ship a bow.

And if possible break the bow down. I would much rather deal with putting a bow back together than see a $200+ package of peanuts show up
 
#10 ·
Never had ... a limb break with thousands of cocked hours on Scorpyd, Ravin or Ten Point crossbows. A couple times I forgot to shoot to unload one of my Scorpyds and left them cocked in the truck for over a week. They were bulletproof crossbows!
 
#14 ·
My opinion a crossbow that is left in the cocked position is under more stress than one that is uncocked. A crossbow left cocked is under less stress than a crossbow being continually cocked and shot as in repeated target shooting.
A crossbow where the bowstring comes down inside the cams is much harder on the bowstring and the serving in the arrow latch area due to the narrower bowstring angle but has more speed due to a longer power stroke than one where the bowstring comes down outside of the cams. A bowstring coming down outside of the cams will result in far more shots before requiring serving and or bowstring replacement.
Wishing you all the best.
Take care.
 
#15 ·
I have been hunting dark till dark for many years. That's 25-45 days most seasons since my retirement. Never once thought to let my bow down to rest during the day. Comes out about 1500 hrs on my Mission MXB400, 400 hours on my Excalibur BD400, about 1000 hours on my Micro 355, and 350ish hours on my KI X1's. No problems ever on the MXB400, slivers twice on the BD400 that popped up in the off season, my 1st Micro snapped a limb before the season at less than 100 shots, second had splinters twice, both times off season. The first KI X1 died from other causes, it had 300+ cocked hours on it. The replacement snapped a limb in the 1st 10 shots and had 2 others crack before hunting with them. Now X1 #2c is up to over 50 hours and 97 shots.

Interested in other people's experiences and ideas on this.
Long hot day in the blind...with a ticking time bomb on my lap.
I may sit for up to 5 hours and I always decock or discharge my crossbows. After a limited time trying Excalibur micro types, only micros, I would never leave one cocked all day.
 
#19 ·
Generally, if a limb is going to splinter or break, it's going to do it relatively early on in the life of that limb, hence having a couple that were fairly new, break. If there's a defect in that limb, which happens to ALL the bows, regardless of speed. All it takes is an air pocket or something to create a weak spot in that limb. The 2 highest points of failure for anything, are when it's new or when it's old and worn out. I doubt there are many people who actually wear out a pair of limbs from actual shooting. I'm not on an engineering team designing and testing limbs, but I feel they probably put them through a large amount of repetitive testing to ensure they'll last. The bathtub curve of reliability, literally sums it up. You see it every day. Being in the maintenance field, I see it all the time.
Now, I wouldn't leave my bow cocked 24 hours a day for a week, but 12 hours or so a day, I wouldn't think anything of it.
Most of the limb failures you see are infant mortality failures due to defects in materials or craftsmanship. This is a major reason why I tell people to shoot the snot out of a new crossbow, if there's a failure it'll happen pretty quickly.
That constant failure rate, likely falls in line with misuse/dry fires/or some other catastrophic event like dropping it or screwing it up in a press.
Image
 
#21 ·
Generally, if a limb is going to splinter or break, it's going to do it relatively early on in the life of that limb, hence having a couple that were fairly new, break. If there's a defect in that limb, which happens to ALL the bows, regardless of speed. All it takes is an air pocket or something to create a weak spot in that limb. The 2 highest points of failure for anything, are when it's new or when it's old and worn out. I doubt there are many people who actually wear out a pair of limbs from actual shooting. I'm not on an engineering team designing and testing limbs, but I feel they probably put them through a large amount of repetitive testing to ensure they'll last. The bathtub curve of reliability, literally sums it up. You see it every day. Being in the maintenance field, I see it all the time.
Now, I wouldn't leave my bow cocked 24 hours a day for a week, but 12 hours or so a day, I wouldn't think anything of it.
Most of the limb failures you see are infant mortality failures due to defects in materials or craftsmanship. This is a major reason why I tell people to shoot the snot out of a new crossbow, if there's a failure it'll happen pretty quickly.
That constant failure rate, likely falls in line with misuse/dry fires/or some other catastrophic event like dropping it or screwing it up in a press.
View attachment 351578
When it comes to barnesdale made scorpyd limbs this is not an accurate accessment. There are maybe 5 or 6 a year that break new if that many.

85% of broken limbs are older limbs that have been pressed within a week of breaking.

When the narrow nemesis, tremor and tremor XP bows came out there was a slight increase in new limbs failures. That was resolved for the most part by reducing the deflection slightly using string and cable length adjustment.

As scorpyd bows became narrower there was a slight increase in failures.

Now to be fair I have no idea how many bows sale a year so it is impossible to compare to other companies. But it's a fact the heavier the limbs the higher the percent of breaks.

One point I find surprising is it's a known fact that limbs should never shoot an arrow under 5 grains of draw weight. This fact has existed since camed bows were introduced. Prior to camed bows it's a known fact it's 8 gr per pound on trad bows

So every time a crossbow is shot, it in essence it's a partial dry fire

If you want the latest, greatest, fastest buy an extended warranty if available
 
#20 ·
If I hunt all day during the rut, the crossbow is cocked all day. If a problem occurs, I probably won’t own it very long. I am prepared with extra limbs for every one of my bows except the very low risk Axe. I would say the forum track record of the X1 gives me some concern, but one of mine is on year 3 with no issues.