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Download the G7 Trap Manual including general trapping tips, tricks, and suggestions. Revised in 2014.

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Harp Trap Frequently Asked Questions

Is this the trap made in Australia?
No. BCM's trap is similar in that it has two banks of lines. Beyond that, the designs diverge significantly so be prepared to unlearn some procedures you may be familiar with.

What happens if a line breaks? Will the whole panel go down?
If a line is broken, no adjoining line will go with it. Lines are attached with stainless steel screws and neoprene washers creating a knottless line attachent system that allows for tensioning or repairing individual lines.

Without "knots" at the top, what if a line breaks?
The lines are held to the top of the trap using a set screw. It is not necessary to wrap the line more than once around a set screw. The line should always go under the rubber washer. The line is held fast by the set screw, allowing it to be quickly strung, replaced, or individually tensioned. Once properly tensioned, an individual line will probably never need readjustment. If a line needs to be readjusted, simply loosen the screw, pull the line to the desired tension, then tighten the screw.

Does the trap need strung on each use?
Good grief, no. The bottom rods detach and rolls the line up for storage. The set screws only need to be adjusted if an individual line needs adjustment or repair.

Seems complex. Can one person set this up?
Absolutely. Harp traps are complex, know what you are dealing with before ordering. Setup (and take down) is easily manageable by one person provided they have practiced a few times in daylight. The 6' trap collapses enough to reach the top without having to tilt the harp or perform any risky balancing maneuvers.

Won't bats suffocate in the plastic catch bag?
The catch bag is all plastic with an optional roost baffle bar insert. It is conceivable that if a trap is left unattended with hundreds of bats for a long period of time, there may be an issue of reduced air circulation. No trap should be left unattended for long periods of time. At very busy sites on many occasions, we have had a number of bats inside the catch bag at once without any sign of unusual stress. Do not allow more than 75 bats to pile up in a 6' catch bag, or more than 50 in a 3' catch bag. The plastic BCM catch bag allows for quick removal of the bats and easy clean up. Simply detach the bag, decontaminate via the appropriate methods and allow to dry in the sun. We will never use a canvas bag again.

Do you accept purchase orders?
We accept purchase orders from government, educational institutions, and other approved organizations. We do not accept purchase orders for international purchases. Purchase orders may be subject to some processing delays due to vendor paperwork within your institution. For domestic orders we accept government Visa credit cards as well as regular Visa/MC/AmEX/check/MO and cash. Please fax your purchase order to 717-241-2228 and ALSO order online here. Select "purchase order" for the billing option on the checkout screen.

What about returns or defective equipment?
Be aware that harp traps are fairly complex devices with numerous machined parts. There is a right way to use them and many, many wrong ways. Expect to spend several hours familiarizing yourself with the trap's versatility before on site use. No matter how many other traps you may be familiar with, disregarding the manual will surely result in hours of frustration and misunderstanding. We stand behind the craftsmanship and usage of the device as advertised. We will repair or replace any defective part and may refund the purchase price of the device (except shipping costs) should the buyer decide this was not the tool for their particular job.

I'd like one shipped internationally, please?
Traps can be shipped internationally. Please write to sales@batmanagement.com for quotes and include your full mailing address and phone number. Expect shipping to be $100-$400 US per trap, depending on shipping address. Delivery time usually takes 7-10 days. Any duties, tariffs or broker fees are not included in the order amount and will be collected by the shipper upon delivery. Any such fees are the responsibility of the customer.

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G4 Harp Trap Manual
Revised 2/1/04. This is the instruction booklet for all sizes of traps manufactured before January 1, 2006.

Click to download (700k)

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G5 Harp Trap Manual
Revised 1/20/08. This is the instruction booklet for the G5 trap.

Click to download (1M)

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G6 Harp Trap Manual
Revised 1/24/11. This is the instruction booklet for all sizes of traps presently shipping. The manual covers assembly, rigging, and de-rigging. It is loaded with a number of useful tips and time saving tricks. This book MUST be thoroughly read before attempting to assemble any trap.

Click to download (11M)

Bat Harp Traps Support Area

Frequently asked questions about Harp Traps

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Harp Traps:

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How to String a Harp Trap
This video demonstrates how to string a G5 harp trap. Note that the lines wrap around the bar, not the screw. This will retain 100% of the line strength.

Click to download (10MB)

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Bat Conservation and Management, Inc. Carlisle, Pennsylvania (717) 241-ABAT

BCM Returns and International Shipping Policy