![]() ![]() You now have a modified Wal-Mart submarine! Now mount the "stock" transmitter antenna on the sub's rear deck with a 1/8" dia. The sub's receiver antenna should be able to reach all the way to the rear of the sub, just above the "side thruster" motor.Ĥ) Drill a 1/16" hole on the sub's deck ( right in the middle of the two 1/2" slots). Save the "stock" transmitter antenna.ģ) Re-route the receiver antenna to the inside the sub's hull, from it's present conning tower mast location. I used a Radio shack replacement antenna from product # 60-4328. To extend the operating range & dive depth try the following:ġ) Add additional waterproof sealants to the the receiver box & the joints connecting the sub's three motors.Ģ) Replace the "stock" transmitter antenna with a "rubber ducky" antenna. If so, can you provide DETAILS how (for a mod-novice)? Has anyone done anything to extend the underwater range of this sub? I think it's only about one foot. I still think it looks pretty cool.īy the way, although the manual says not to take it below about 3.5'.I put too much ballast in mine on it's maiden voyage and it took several minutes to retrieve it from the deep end of our 8' pool.still works fine.guess it didn't reach "crush depth", lol. Incidently, it's not an accurate model of a Los Angeles class sumbarine at all.but then, it's sold as a toy, not a model. I'd be interesting in hearing about y'alls attempts to improve this interesting toy. Once I had the submarine balanced just right (which can be a little bit finicky), it worked pretty well if I kept it in the calmer parts of the pool and away from the stronger currents. I doubt the extra 1.2 V is enough to damage the electronics, so now I'm tying to configure just the right nimh battery pack for the sub. Needs more power! The 7.2 V pack from my Firebird XL almost fits, but I think it's too heavy. ![]() I've found mine has a tough time with the currents created by the water circulation jets in our condo pool. A quick web search turned up just what I was hoping for: others who have bought the Walmart Motorworks submarine and are interested in modding/tweaking it for better performance.
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