The dropping arrow rest GUX BiDrop


The original is available from Gabriel Bogensport,
the dropping arrow rest GUXBiDrop
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In its December 2018 issue, the BogensportMagazin reported that "a dream for string walkers" had come true. On the occasion of a seemingly small but grievous occurrence during a tournament, "a broken arrow rest", the idea of ​​"a new concept for avoiding such nuisance" was born in the head of an ambitious string walker. On second glance, however, this new concept turned out to be  evidently based on the sensational discovery of said string walker, that there has been the GABRIEL GUXBiDrop arrow rest, long before, known and in use around the world. Obviously, said string walking inventor had forgotten that he himself had purchased it from GABRIEL Bogensport already as early as on 26th April 2016 
Since, however, in the afore mentioned archery periodical, no proof of source nor reference to the original model was included, it clearly constitutes an act of plagiarism, i.e. theft of intellectual property.
Pleasing appearance


The GUXBiDrop was invented by Gerhard Gabriel to defuse two completely independent but widespread fault potentials, namely

- a) low nocking point position causing the arrow rest to fail by material fatigue, after a certain number of shots.

- b) wrong arrow properties with regard to spine, length and weight, causing the arrow to hit the arrow rest due to unsatisfactory clearance from the riser.



Maximum free space for the arrow
Contrary to the daring claim of an author of the BogensportMagazin, the diagonal working direction of the GUXBiDrop does not reduce but, on the contrary, significantly increase its carrying capacity. 
Of course, these two fault scenarios are not the God-given rule and should be avoided by all available means  because cybernetics teaches us that even the best possible correction always leaves a certain residual error. 
Therefore, the GUXBiDrop was given its special functional logic so as not intervene as long as the mentioned faults do not occur, but become active as soon as they occur.
Clear design
Of course, right from the beginning, Gerhard Gabriel also investigated the use of a hold-down magnet arrangement but found out that it does not make sense as it would bring more disadvantages than advantages:
- The dropping rest element has only about 2 milliseconds time to move down/in and back up/out to catch the arrow passing by, but would always comes late, as high-speed videos have shown.
However, should there be any probability of contact between the arrow and the upward-moving rest element, the momentum, i.e. the specific energy of this contact would still be more than 100 times weaker than the  that exerted by the arrow on the arrow rest when the dropping mechanism is triggered.
- the art is to avoid unnecessary dropping by appropriate constructive solutions or at least to reduce it to the absolutely unavoidable minimum, instead of bring it about wilfully, only to force some dubious and unnecessary follow-up reaction. Such an approach would only have to be considered as a tragic lack of logical thinking skills. 
- whether with or without the aforementioned faults a) and b), the GUXBiDrop is always automatically ready to receive the arrow for the next shot with nothing else to be done by the archer.
Tidy look
Also, there is no indication of the GUXBiDrop being better or less well suited for any specific way of aiming, either using a normal sight or the substitute aiming method called "string walking". In any case, careful ly adjusting the position of the nocking point (fault a) and perfectly tuning the arrows (fault b) are indispensable precautions. The arrow rest must never be used as a convenient excuse for lack of care, negligence or even sloppiness in tuning and adjusting. It is a valuable device, but unfortunately it is not an "egg-laying wol and milk giving sow".
The straightforward logic of the dropdown arrow rest principle is not "drop down and hold down at all costs", but "action as necessary", which means the corrective action is not enforced preventatively  in every case, but only when it is really needed.
Conclusion: Dreams want to be well thought out if they are to come true.