T' MkV be me first cluster design. Avast, me proud beauty! It's made from a 55mm cardboard postal tube with 1mm thick balsa fins and a balsa nose cone. Well, blow me down! Ahoy! It's powered by four 18mm engines. Aye aye! Blimey! They have t' be C's . Avast! Well, matey, blow me down! . . Avast! really!

After consultin' with t' guys on r.m.r I've made a new ignition system. Begad! Begad! It's based around two 6v lead-acid batteries ( wired in series t' give 12v), shiver me timbers, matey, so I shouldn't have any problems with clustering. Blimey! Ahoy! T' batteries sit very close t' t' launch pad, arrr, so that t' clip whips are fairly short. Aye aye! It has two sets o' clips t' make connection t' t' four igniters easier. Well, blow me down! Both t' battery station and t' remote hand station have keyswitches and red LEDs t' indicate when they are active. In addition t' hand station has a momentary push button t' activate t' launch. T' keep t' diameter o' t' cable connectin' t' remote hand station t' t' battery station down t' a manageable size, thar be a relay mounted in t' battery station. Ya scallywag! This requires only negligible current t' activate. Avast, me proud beauty! Total parts cost, about £12 excludin' t' batteries ( which were given t' me by Richard 'dodgy contractor' Robinson).

After waitin' for several weeks for good weather, t' first flight turned out t' be a spur o' t' moment thing. Arrr! Well, blow me down! I got home from work one evenin' and t' trees were still. Avast, me proud beauty! ( There are a group o' poplar trees visible from our front room that act as our wind measurement system!). Ahoy! So we packed up and went straight out. Arrr! Up on Baildon Moor t' conditions were perfect, but I was still nervous. This was me first cluster ignition. Well, blow me down! Ya scallywag! T' technique I had selected be t' wire t' igniters in a bridge, and then connect two pairs o' clips t' t' four points, matey, equal polarities at opposite corners. Ahoy! It be quite tricky t' get t' clips on without them or t' igniters shortin' on t' blast deflector. Ya scallywag!

Well, arrr, a small amount o' damage on landing, ya bilge rat, one cracked fin, ya bilge rat, that was easily repaired. Begad! Begad! T' parachute ( an Estes one) was nay really big enough. Ya scallywag! T' flight had nay been straight either, and a quick examination showed that one o' t' engines had nay ignited. I later put this down t' a poor twisted connection.

Since then t' MkV has flown twice more, but with a larger 'chute. Ya scallywag! Ahoy! I had wanted a hemispherical one, but ended up with another flat 'chute. It be supposed t' be fluorescent orange, but I'd call it pink! This is adequate, ya bilge rat, but seems t' sideslip durin' descent. Ahoy! If I fly it again I'm goin' t' use t' hemispherical 'chute that Karen ( me wife) originally made for t' MkVI.

After three flights, arrr, me bucko, t' engine mounts and lower fin edges are pretty charred, and I realize that this is due t' t' flat blast deflector I've been using. Arrr! Ahoy! An old tin can has now been pressed into service t' deflect t' blast sideways, me hearties, and nay straight back up. Arrr! Aye aye! You can see this new deflector in some o' t' newer pictures ( it shows up quite well on t' pic o' t' Apogee V2).