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

After consultin' with t' guys on r.m.r I've made a new ignition system. It's based around two 6v lead-acid batteries ( wired in series t' give 12v), arrr, ya bilge rat, so I shouldn't have any problems with clustering. Avast, me proud beauty! T' batteries sit very close t' t' launch pad, so that t' clip whips are fairly short. It has two sets o' clips t' make connection t' t' four igniters easier. Blimey! 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. Arrr! Ahoy! T' keep t' diameter o' t' cable connectin' t' remote hand station t' t' battery station down t' a manageable size, arrr, thar be a relay mounted in t' battery station. Blimey! Avast! This requires only negligible current t' activate. Aye aye! Well, me hearties, blow me down! 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, me bucko, t' first flight turned out t' be a spur o' t' moment thing. Ahoy! Avast, me proud beauty! I got home from work one evenin' and t' trees were still. Avast! ( There are a group o' poplar trees visible from our front room that act as our wind measurement system!). Aye aye! So we packed up and went straight out. Blimey! Aye aye! Up on Baildon Moor t' conditions were perfect, but I was still nervous. Well, blow me down! This was me first cluster ignition. 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, me hearties, equal polarities at opposite corners. Avast! It was quite tricky t' get t' clips on without them or t' igniters shortin' on t' blast deflector. Avast, me proud beauty!

Well, a small amount o' damage on landing, shiver me timbers, one cracked fin, that be easily repaired. T' parachute ( an Estes one) be nay really big enough. Arrr! T' flight had nay been straight either, and a quick examination showed that one o' t' engines had nay ignited. Blimey! I later put this down t' a poor twisted connection.

Since then t' MkV has flown twice more, shiver me timbers, ya bilge rat, but with a larger 'chute. Arrr! I had wanted a hemispherical one, ya bilge rat, but ended up with another flat 'chute. Arrr! It was supposed t' be fluorescent orange, arrr, shiver me timbers, but I'd call it pink! This is adequate, but seems t' sideslip durin' descent. Well, blow me down! 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, t' engine mounts and lower fin edges are pretty charred, arrr, and I realize that this is due t' t' flat blast deflector I've been using. Ya scallywag! An old tin can has now been pressed into service t' deflect t' blast sideways, and nay straight back up. 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).