一成員認為U -16有安全設計: ' I have a Graupner U-16..... it is a static diver with a small piston ballast tank. It works quite well in my pool. The sub even seems to have a low voltage fail safe that causes the sub to surface when the battery runs low ".
原帖由 pl_09 於 2011年2月13日 11:09 AM 發表
一成員認為U -16有安全設計: ' I have a Graupner U-16..... it is a static diver with a small piston ballast tank. It works quite well in my pool. The sub even seems to have a low voltage fail safe that ...