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43 posts · Page 1 of 4- CashrcAdmiralLike your sub!! We have several sub guys in our club, at least one of them uses 2.4. He runs an extension for his antenna up the sail (conning tower) and hides it in either the periscope or antenna. His boats are static divers, but he stays at periscope depth when he submerges. The boats set up to blow ballast and full up planes if he loses contact. Not trying to criticize anything you’re doing, just letting you know 2.4 is doable with restrictions. Most of the ponds here in North Texas are too murky for much below periscope depth anyway.
Anyway, good luck with your sub! Let me know how it turns out.
Cash - Hhager2LieutenantI had thought of a float with antenna but in he end use a MHz transmitter was easier. I had sold all mine so I picked up one from eBay. Actually I wound up with two one AM one FM. FM worked better. The dc motor controller was from a car as it had reverse capability plus switchable micas or LiPo. The Ghz band gets water attenuation so it won’t work under water well. Bathtub test showed at least a few feet under was ok. Only thing o don’t like is you seal electronics so it has to be really tested. Battery is on a plastic box like that can open fir access but I put a soda bottle cap structure to access charge connector anyway it’s funLiked by HappyHaggis and taffy
- RonBMK2Petty Officer 1st ClassI had the same thing years ago on the lakes in Bushy Park (Hampton Court) I was first time testing a Blue Devil Destroyer. It took a hit on the stern (believed to be by a pike) and she stopped and slowly sank stern first , just like the reel thing.☹️I hope your damage was'nt to bad.Liked by Dumaspittman
- JBRCfloatsLeading SeamanHi, I'm in the process of building the same Dumas Cobra. How do you keep the motor cool? is there any way I could get pictures of the motor, wiring set up and how you placed the batteries in the boat. I retired in 2004 and started the model at that time. I've been working on it since I retired.Liked by doghouse
Movable turrets, twin screw.
- reilly4Warrant OfficerVideos in Landscape mode are much easier to watch. Videos resize to suit the screen so Portrait mode show the items smaller than they would appear in Landscape mode.Liked by rcmodelboats and RNinMunich