I struggled with this for several years. Spitfires are 1 of the best mech heads on market, but they have 2 weaknesses.
1. They have a large cut diameter and no cut on contact tip, so they require A LOT of energy to open and/or pass through the target.
2. The system they utilize to lock blades closed is a dimpled spring steel shim which loses its ability to keep the blades closed via friction with each and every time the blade is opened. In addition to this many people simply overtighten the blade screws which also crush that dimple and preven it from providing enough resistence during acceleration out of the bow. Obviously this is a proportional thing and the faster the arrow is loaded(such as recurves)on the shot, the more friction required to keep them shut.
This affects the accuracy of the head horribly, especially if 1 blade comes up and others stay closed..
Solution to this is to replace the shims that come with the blades, do not overtighten them, or as mentioned simply put rubber bands over blades like other expandables use.
These heads hit exactly where field points hit and the practice blades they sell for these are useless and just tear up your targets, and fletching when they slip through a broadhead target. And dont even think about trying those practice blades into a bag target,as you will never get them out.
Anyone have problems with 100gr Spitfires?
Re: Anyone have problems with 100gr Spitfires?
Matrix 405/Vixen stock -XB 30
Matrix 380/Vixen stock - XB 30
Offspring-XB1
Maxpoint- XB1
Matrix 380/Vixen stock - XB 30
Offspring-XB1
Maxpoint- XB1
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vixenmaster
- Posts: 13618
- Joined: Wed Sep 14, 2005 3:51 pm
- Location: Western Ky
Re: Anyone have problems with 100gr Spitfires?
Yes i have one main problem with Spitfire BH's! I don't own several dz of them 
Half Bubble Off BD360
vixenmasterstrings@yahoo.com 417-505-9315
vixenmasterstrings@yahoo.com 417-505-9315
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sumner4991
- Posts: 6989
- Joined: Thu Oct 19, 2006 12:16 pm
Re: Anyone have problems with 100gr Spitfires?
tomcat . . I agree with you . . .fortunately, the crossbows we use had more than enough power for issue #1. Issue #2, well, as stated, I use the elastics.
Every broadhead has it's pros and cons. We need to understand them and use them to their best potiential for our needs.
Every broadhead has it's pros and cons. We need to understand them and use them to their best potiential for our needs.
I'd rather wear out than rust out.
Perception trumps intention.
2006 Exomax w/Agingcrossbower Custom Stock
20" Easton Powerbolts w/125gr Trophy Ridge Stricknines & 2"Blazers
Boo Custom Strings
2006 Vixen
Perception trumps intention.
2006 Exomax w/Agingcrossbower Custom Stock
20" Easton Powerbolts w/125gr Trophy Ridge Stricknines & 2"Blazers
Boo Custom Strings
2006 Vixen