Big reason for a battery box is to protect against accidental shorting if the terminals. Dave. 1975 C&C 33 SLY
Sent from my iPad > On May 20, 2017, at 1:25 PM, john sandford via CnC-List > <cnc-list@cnc-list.com> wrote: > > I like the ratchet strap idea. > Mine are gel, no box, and the crummy plastic CTyre strap. > Does anyone know where to get ratchet straps, in general, with SS hardware ? > Batteries, Dingy to dock, float removal and securing, etc. many more > applications. > Thanks for any guidance. > John > LF38 > > > From: Josh Muckley [mailto:muckl...@gmail.com] > Sent: May-20-17 1:16 PM > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Battery compartment and battery boxes > > I bought kayak straps. > > NRS 1in Heavy-Duty Buckle Bumper Strap Blue, 9ft > https://www.amazon.com/dp/B00IAI9N7K/ref=cm_sw_r_cp_apa_KFgizbD89HKG1 > > But you could use ratchet straps too. > > Mann Ratchet Tie Downs Straps with S-hooks 1-Inch x 15-Feet 500 Lbs Load Cap > - 1500 Lb Break Strength 2-Pack Set > https://www.amazon.com/dp/B01AIWGB4I/ref=cm_sw_r_cp_apa_jIgizbDPS31AR > > I wanted to avoid putting anchor screws in the lower part of my compartment. > Seems kinda counter productive to epoxy in a box for leak tightness only to > then put holes in it for fasteners. I bent some flat aluminum bar stock so > that it follows the contours of the inside of the battery compartment. The > bars are held in place at the top of the compartment. My straps are fed > perpendicular under the bars and the batteries sit on top of both. The > straps wrap across the top of the batteries and meet on the side. > > The load requirements are side to side movement of less than an inch and > mounts which can hold 90lbs. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > > > > On Sat, May 20, 2017, 10:02 AM David Knecht via CnC-List > <cnc-list@cnc-list.com> wrote: > Hi Josh- Thanks for the advice. If water is getting to my compartment then I > have serious problems well beyond the batteries. Can you clarify what kind > of ratcheting strap you use? I don’t think much of the plastic clamp strap > that came with the boat. Thanks- Dave > > On May 19, 2017, at 11:17 AM, Josh Muckley via CnC-List > <cnc-list@cnc-list.com> wrote: > > ABYC is a little vague with the battery box requiments. In summery it > describes keeping the batteries sufficiently mounted to prevent sliding > around. It describes a cover to prevent inadvertent contact with the > terminals. If you use a ratchet strap and insulated terminal covers then you > technically meet the requirements. > > Commercially available plastic battery boxes provide a means of restraint and > insulation of the terminals. Properly made and used, the battery boxes also > provide a means of catching acid if it were to leak out. The lids are > designed to maintain a loop seal which prevents water from getting in the box > should a flooding situation submerge the box. Sea water and batteries is a > bad combination which can, not just short out and destroy the battery, but > also generate chlorine gas. > > I don't have commercial battery boxes in either of my battery compartments. > The batteries are strapped down. The compartments are glassed in to provide > leak resistance. The compartments have wooden lids which prevent inadvertent > contact with the terminals. > > I think you are ok removing the plastic boxes. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > > > > On May 18, 2017 12:07 PM, "David Knecht via CnC-List" <cnc-list@cnc-list.com> > wrote: > I have finished my rewiring project and everything seems to be working fine. > I ended up putting a Blue Sea Si-ACR to control charging inside the battery > compartment as I could find no other accessible space for it. It is not > pretty crowded inside that area with wires, two batteries, and the ACR. The > compartment is a solid bottom fiberglass area with a wood top panel for > access and a strap that goes through slots on the bottom of the compartment. > The batteries are sealed AGM. I am considering removing the two battery > boxes that the batteries sit inside of inside the compartment as they seem > redundant to me with sealed batteries. I can strap down the batteries > instead of strapping down the battery boxes. This will give me a bit more > room and flexibility in the compartment. Is there any safety reason I should > not do this? Thanks- Dave > > Aries > 1990 C&C 34+ > New London, CT > > Error! Filename not specified. > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > > Aries > 1990 C&C 34+ > New London, CT > > <image001.png> > > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated!
_______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!
