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|Initial Pin to Pin||30 in||76.2 cm|
|Minimum Pin to Pin||25 in||63.5 cm|
|Maximum Force *||75 lb||34 kg|
|Maximum Stroke 1||11 in||28 cm|
|Maximum Stroke 2 **||6 in||15.3 cm|
* At Maximum Pin to Pin Length.
1 Maximum stroke at initial Pin to Pin.
2 Maximum stroke at min. Pin to Pin.
** Stroke is travel when flexed. 1 in of stroke equates to approximately 7 in at the aft end of the boom.
The Boomkicker model K0312 works basically the same as the larger models, but instead of attaching directly to the boom, a webbing sling, suspended between the two spring rods, supports the boom.
Designed for smaller daysailers, these Boomkickers are easy to install with no drilling or tapping required. All parts fit in the luff groove of the mast. For trailering, the design makes rigging and de-rigging a snap, simply remove the boom and fold the Boomkicker up against the mast for storage.
The sling, because it does not attach directly to the boom, allows these models to work with the simplest of goosenecks. Even if the boom just slides onto a pin at the gooseneck, or can roll, the Boomkicker can not push the boom back or restrict it from rolling around its central axis to follow the sail.
Boomkicker K0312: Includes mast fitting with round luff groove slide, Boomkicker with 5/16 in diameter spring rods, webbing sling to support the boom, control line from sling to mast and eyestrap with round luff groove slide.
Fits Boats: 14 ft to 16 ft.
Note: Uses webbing sling at boom instead of track fitting.
Recommended Installation Tools:
Phillips Screwdriver, Fine Tooth
1. General: The Model K0312 Boomkicker is designed for sailboats under 17 ft (5 m) who's boom, with sail, weighs under 16 lb (6.8 kg). To the right is a sketch of the Model K0312. The Boomkicker comes fully assembled. Two fiberglass rods provide the force to support the boom. The boom sits in the sling between the rods. The sling is held by the line to the gooseneck stop and controls the initial height of the boom. The mast fitting and stop use slides in the luff groove to avoid drilling. As shown, the Boomkicker works by flexing upward and when straight, it is at the top of its travel. The Boomkicker does not restrict the boom from rising higher.
Model 312 Flexed and Straight
2. Installing Mast Bracket and Gooseneck Stop: The Boomkicker works best if the boom/gooseneck is fixed in one spot on the mast. If the boom/gooseneck can slide, then in the normal sailing position with the sail up, place a mark on the mast, indicating the lowest point of the gooseneck inside the luff groove. Then remove. Using the sail opening in the mast, slide the assembled base with bracket and slide to the vang bail, do not tighten. Next slide the top of the gooseneck stop to the mark and tighten. Reposition the boom against the gooseneck stop. If the boom/gooseneck is fixed to the mast, the slides can be detached, slid past the gooseneck and reassembled in position.
3. Final Positioning: Using the main halyard, li ft the a ft end of the boom 6 in - 8 in (15 cm - 20 cm) above horizontal or the normal sailing level. Orient the Boomkicker so the two screw heads on the base are facing downward or a ft, and the sling loop for the line is forward. If the Boomkicker fits in the area above the vang, hold the sling around the underside of the boom and adjust the mast fitting location to make an angle between 40º and 45º with the boom. The sling line should be loose and is adjusted later. If the angle is much lower than 40º, then as the spring rods flex, they lose ability to hold the boom. Tighten the bracket in position. If the Boomkicker is too long or the angle too low, it can be cut down. Shorten the bottom of the rods (loosen two small screws in base to pull the rods out) equal lengths of no more than 5 in (13 cm). A fine tooth hacksaw works best and frayed ends can be avoided by prewrapping a layer of tape around the rod at the cut.
4. Final Adjustments: With the boom/gooseneck held against the stop, adjust the line between the sling and gooseneck stop so the sling supports the boom. Since some initial stretch can be expected under load, slightly overtighten. Disconnect the halyard from the boom and press the boom down to flex the Boomkicker. It should flex freely upward and have enough support for the boom and mainsail without sagging.
WARRANTY: The following is made in lieu of all warranties, expressed or implied. Seller's and manufacturer only obligation shall be to replace or repair such parts of the product proved to be defective for a period of five years. User shall determine the suitability of the product for its intended use and user assumes all risk and liability whatsoever in connection therewith.
For additional information or support, contact Mauri Pro Sailing Technical Team , your Boomkicker specialist.
Pin to Pin
Pin to Pin
Initial / Minimum
|K0312||14 - 16 ft||30 in||25 in||75 lb||11 in - 6 in|
|K0400||16 - 19 ft||34 in||26 in||150 lb||11 in - 6 in|
|K0500||16 - 20 ft||36 in||26 in||150 lb||11 in - 6 in|
|K0750||20 - 25 ft||36 in||31 in||250 lb||11 in - 6 in|
|K0800||25 - 27 ft||45 in||35 in||300 lb||15 in - 6 in|
|K1000||27 - 30 ft||45 in||41 in||400 lb||15 in - 6 in|
|K1250||30 - 34 ft||53 in||43 in||500 lb||16 in - 9 in|
|K1500||34 - 38 ft||53 in||49 in||600 lb||16 in - 9 in|
1 Maximum stroke at initial Pin to Pin.
2 Maximum stroke at min. Pin to Pin. ** Stroke is travel when flexed.
1" of stroke equates to approximately 7" at the a ft end of the boom.
MAURIPRO Sailing is committed to sell the products we offer at a fair price, but we also want to earn your business.
We'll match any published price posted by any US-based authorized e-retailer for an identical item (same size, color, year) in new condition.
If you found the better price on one of our competitor's sites, contact us after placing your order, and we'll credit your card the difference (auction sites do not apply).
Note: We will match total cost to destination (price + shipping).
We ship worldwide with USPS, DHL or Fedex.
If Requested we can accomodate prepaid taxes or provide information regarding duties, custom fees and/or local sales tax.
We have a dedicated team of global logistics experts and we'll work with you on any specific needs.
Transit time will vary based on products being ordered.
|Method||Price||Business Days*||Example if ordered on Monday 4/1**|
|Free over $99 (exclusions apply)||$0||7 - 10 Business days||Following Wed 4/10 - Mon 4/15|
|Ground (exclusions apply)||$9.95 - $24.95||5 - 7 Business days||Following Mon 4/8 - Wed 4/10|
|Ground - Winches (exclusions apply)||$24.95 - $45.95||5 - 7 Business days||Following Mon 4/8 - Wed 4/10|
|UPS 3 Day Select (Physical addresses only)||Calculated @ Checkout||3 Business days||Thurs 4/4 (if ordered by 11am ET) Friday 4/5 (if ordered after 11am ET)|
|UPS 2nd Day Air (Physical addresses only)||Calculated @ Checkout||2 Business days||Wed 4/3 (if ordered by 11am ET) Thurs 4/4 (if ordered after 11am ET)|
|UPS Next Day Air (Physical addresses only)||Calculated @ Checkout||1 Business days||Tues 4/2 (if ordered by 11am ET) Wed 4/3 (if ordered after 11am ET)|
|Oversize||$99.95 - $145||N/A||N/A|
|Method||Estimated Shipping Time|
|USPS First Class Mail (2 pound max.)||15 - 20 Business Days|
|USPS Express International Service||10 - 14 Business Days|
|UPS Expedited or FedEx Priority International Service||6 - 8 Business Days|