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Guys,
Thought I would share one of current builds, a AM Conquest for open class in my district. I had started collecting all the power components for a open 10S rigger which I am designing, but the have too many design projects to get the rigger finished quickly so I decided to put the same power system into a cat. I will still finish the design and build of the rigger when time allows and then switch over the power system, but in the meantime here is the cat build:
To start I ordered an Aeromarine Conquest in normal lay-up thickness with some carbon strengthening. Remember this is going to be a race boat and will be hit often in my district so no light lay-ups here.
The power system includes a Neu 2215 1.5Y and a Schulze 40.160wk or a Hydra 240HV. I plan on using 10S1P Neu Energy 6500 XP 25C batteries for sprint races and a 8S2P FP 4500 30C (9000mAh total) for offshore. I'll have to see how much drain the batteries take and adjust accordingly. Here are some pics of the power system.
Prior to purchasing the Schulze I had thought about using a 110HV. I ended up maching some aluminum cooling plates and used some thermal grease and thick shrink tubing over everything to hold it all together. Although I will not use this esc in this build I thought I would show pics in case anyone was interested.
For the batteries, I ended up making a mold to lay-up some composite battery trays which tuck into the sponsons. I plan on lining the trays with some thin silicon foam rubber and holding the batts in with velcro straps. The trays measure 2" wide on the inside, 1" tall on the sides and are 12" long. They are almost long enough to hold two packs ened to end. They stick out a little either side, but no big deal. The trays are laid up using a 4oz layer of fiberglass on the inside followed by two layers of 12.5 oz carbon/kevlar weave and another 4 oz layer of fiberglass on the outside. It was a simple wet lay-up using teflon release ply and lots of clamps/weights to squeeze out the excess epoxy. I do have vaccum bagging equipment, but it was not worth the effort for these non-structural parts. The mold was a piece of delrin with the corners radiused, the delrin as covered with thin teflon film as a release agent. After curing the excess was trimmed off althouth I still have to finish trim them. Pics:
Trays with battery packs fitted.
Cont'd
Thought I would share one of current builds, a AM Conquest for open class in my district. I had started collecting all the power components for a open 10S rigger which I am designing, but the have too many design projects to get the rigger finished quickly so I decided to put the same power system into a cat. I will still finish the design and build of the rigger when time allows and then switch over the power system, but in the meantime here is the cat build:
To start I ordered an Aeromarine Conquest in normal lay-up thickness with some carbon strengthening. Remember this is going to be a race boat and will be hit often in my district so no light lay-ups here.
The power system includes a Neu 2215 1.5Y and a Schulze 40.160wk or a Hydra 240HV. I plan on using 10S1P Neu Energy 6500 XP 25C batteries for sprint races and a 8S2P FP 4500 30C (9000mAh total) for offshore. I'll have to see how much drain the batteries take and adjust accordingly. Here are some pics of the power system.
Prior to purchasing the Schulze I had thought about using a 110HV. I ended up maching some aluminum cooling plates and used some thermal grease and thick shrink tubing over everything to hold it all together. Although I will not use this esc in this build I thought I would show pics in case anyone was interested.
For the batteries, I ended up making a mold to lay-up some composite battery trays which tuck into the sponsons. I plan on lining the trays with some thin silicon foam rubber and holding the batts in with velcro straps. The trays measure 2" wide on the inside, 1" tall on the sides and are 12" long. They are almost long enough to hold two packs ened to end. They stick out a little either side, but no big deal. The trays are laid up using a 4oz layer of fiberglass on the inside followed by two layers of 12.5 oz carbon/kevlar weave and another 4 oz layer of fiberglass on the outside. It was a simple wet lay-up using teflon release ply and lots of clamps/weights to squeeze out the excess epoxy. I do have vaccum bagging equipment, but it was not worth the effort for these non-structural parts. The mold was a piece of delrin with the corners radiused, the delrin as covered with thin teflon film as a release agent. After curing the excess was trimmed off althouth I still have to finish trim them. Pics:
Trays with battery packs fitted.
Cont'd
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