There's a nice tale about how the class came about. The story
is that back in 1951 John Spencer designed
a 12 foot cruising dinghy for Ray Early to sail round the Auckland
Area in New Zealand. When asked what their new boat was, his wife
said "I don't know, but she's a perfect little cherub to
Sail". It seem, however, that this is a "nautical myth",
and according to John Spencer the first
boat was built to race in the "Pennant" restricted class
and was to be named Cherub even before launching.
The Class grew in popularity in New Zealand, and then spread to
Australia. Apparently the first Cherub to reach Australia did
so carried in a Flying Boat being flown by one Frank Bethwaite,
a name that appears elsewhere in this story.
The Cherub was the first significant design from John Spencer,
and many would put it as the starting point of the whole Antipodean
Sailing boom. The Cherub grew very fast in New Zealand in the
50s, about 450 boats in the first 8 years. This was mainly due
to what was effectively a partnership between Sea Spray magazine
and John Spencer. Sea Spray allowed Spencer almost as much space
as he wanted to provide publicity and `how to' construction articles.
In fact for a time Sea Spray was the official Cherub HQ, keeping
the sail number register, and being the central point for all
correspondence from the town associations.
This was all in spite of a certain amount of oppostiion from the
administrators, who were committed to promoting the older (and
heavier) National classes, Z, IA and X class. They had actively
discouraged the Cherubs for example and had it not been for Sea
Spray magazine becoming an active John Spencer promoter, the Cherub
could well have disappeared without trace.
The Cherub was a considerable influence on other classes. The
14ft NZ Javelin was virtually a straight enlargement of the Cherub.
Frank Bethwaite's first prototype for the NS14 was a drawn out
Cherub, although they later elected to use a Spencer Javelin hull
design for the first boats. From NS14 development came the Tasar,
the Bethwaite skiffs and the 49er.
The Class was introduced to the UK in the 1956 when boats were built by McCutcheon's of Cowes. Early Cherubs had appreciably less sail area than modern ones, with stated dimensions of 62 sq.ft. for the mainsail, 27sq. ft for the jib, and 60sq.ft spinnaker. The spinnaker was particularly unusual, since it was typically a virtually flat triangular sail, which could be carried with the true wind forward of the beam. This sail, set from a spinnaker pole that could be 9 ft long, resulted in spectacular close reaching performance, but was rather less effective on a run. In the early days these spinnakers were quite often cut as single luff sails - the first asymmetric spinnakers I guess, although gybing must have been a pretty tedious affair.
In the 60s Cherub design in the UK
was very much in the mainstream of dinghy design at that period.
A Cherub hull of that era tends to look pretty much like a baby
Scorpion. In the late 60s the first of many infusions of antipodean
ideas occurred. John Spencer's mk 7
design was introduced into the UK, which had a wider and flatter
hull shape, and planed appreciably faster.
The theme in design through the next few years was beam. The only
restriction on beam was that the boat should be no more than 5
feet at mid length, and boats of this era flared out a great deal
after that. One result of this was that if the boat was allowed
to heel a lot the poor crew was left attempting to stand on a
gunwale that was sloping steeply towards the bow. Large and solid
foot stops to brace the front foot against were a common feature!
At least two UK boats had a maximum beam in excess of 6 feet,
giving something close to Merlin-Rocket proportions.
The Cherub Class International Association was formed in 1967
with membership comprising the New Zealand Australian & UK
Associations.
Russell Bowler won the first (1970) World Championships, held
on the Swan River, Perth, Australia. His boat, the original Jennifer Julian, was one of the
earliest foam sandwich dinghies, probably the first built outside
new Zealand, the construction method having been pioneered in
12 ft skiffs. Russ had been twice Cherub National Champion in
NZ, and had moved to Perth as an architect. He designed Jennifer
Julian specifically for the Worlds and Perth conditions. At the
time of writing Russell is a Partner and Chief Structural Engineer
of Farr Yacht Design. In 1970 Russell helped David
Steele build what was surely the first foam sandwich boat
in the U.K.
In 1970 the International Association adopted a package of rule
changes. The most significant was the adoption of a larger jib,
taking the area of main and jib up to about 110 sq. ft, and the
replacement of the wire luff spinnaker with a more conventionally
shaped sail, but still set from the 9 foot pole. The Cherub started
to get a reputation as an extremely rapid boat when the wind was
blowing hard. UK boats of this period were typically fairly wide
and deep Veed designs, with less rocker than most classes, but
still had a good deal of rocker by modern standards.
At this time in New Zealand there was a lot of crossover between
the Cherub and the unrestricted rig Q Class (now merged with the
12' skiffs). Quite a number of boats were rigged for both classes,
and Bruce Farr designs were amongst
the most successful in this form. The Kiwi Farr 3.7 trapeze singlehander
provides a good idea of the sort of shape of these boats.
The 1974 Worlds in the U.K were completely dominated byAustralian and New Zealand boats. Hulls were
mainly narrower and flatter with much lower rocker and lots of
panel curvature. Rigs were much more powerful. Some of the Australian
boats carried over-rotating wing masts in spruce and balsa. These
were developed from work by the well-known Australian designer
Frank Bethwaite in the Australian NS14 Class. This line of development
led directly to the Tasar which he designed for Performance Sailcraft
(The original Laser builders). Frank's daughter Nicola was second
in this event, and was to win the 1976 Worlds in Australia with
brother Julian crewing. Julian Bethwaite of course went on to
invent the modern asymmetric spinnaker and to have an enormous
influence on the development of the 18 foot skiff and high performance
classes all over the world.
The beamier boats started going out of favour. The Forman 4 et
al were still wider than tended to be fashionable during the eighties,
before the 1997 rule change that replaced the mid length beam
restriction with an overall beam restriction, but the trend was
for less extreme boats. The underwater shape by now was significantly
different from the majority of classes as planing performance
started to become the most significant factor in design. Arguably
this was the time at which the modern Cherub started to evolve.
In the late 70s the UK boats started getting very much flatter,
to the extent that some UK boats in the 1978 Worlds in New Zealand
were actually flatter than the local boats.
One shouldn't leave discussion of the 60s and 70s without acknowledging
the debt the class owed to the late Freddy Babcock through that
era. His company, Watling Joinery, donated many prizes, and he
devoted an enormous amount of time and effort to the class, serving
it in many ways, notably as Class Association President.
The 1980 Worlds in the U.K. were again dominated by Aussies
and Kiwis. The top Aussie boat, Wop, was a particularly boxy design
with very minimal rocker and a flat transom, coupled with a very
fine bow. This boat would have won the worlds but for a (well
deserved) disqualification for barging at a mark. The Wop design
and its development, Foreign Affair, dominated the class in Australia
to the extent of almost stopping development.
The Worlds were won by an Iain Murray design, and Iain is, of
course, another designer who has gone on to considerable prominence
after an early association with Cherubs.
From 1981 to 1984 there were no new Cherub designs in the UK,
due to a package of rule change proposals under consideration.
These were adopted by the UK Class Association (but not the Australian
or New Zealand Associations). in 1984, and the following designs
are all to these rules. The revised rules relaxed the mid-length
chine restrictions, and permit sailplan development. The area
of main and jib also increased slightly to 125 sq.ft. Its interesting
to note that these changes were supported by John Spencer, the
original designer of the class, but the Australian Cherub Association,
very much the largest at that time, was very much opposed.
The initial bunch of new rules designs tended
to have both the narrower chine beam and a greater rise of floor.
Whilst they all seemed to be able to go quickly at certain times
and in certain conditions none really established a dominance
over the old rules designs. Perhaps the nearest to demonstrating
extra speed was the Deeley V, with a fine straight entry and plenty
of rise of floor. Reputedly designed "without regard to human
error" the design tended to prove the point with spectacular
pitchpoles, but could be extremely fast in between times. Rigs
moved from the old "threepenny bit" mainsail with overlapping
jib to a fuller headed mainsail with a large roach and a smaller
jib with minimal overlap.
A couple of further minor rule changes occurred at this time.
The most significant was that false floors, and thus fully self
draining boats, were permitted. Although British Sailors went
to the 1990 Worlds in Australia they borrowed local boats. At
this time the Australians were all sailing Wop developments, and
design innovation seemed to be limited.
The real breakthrough came with what was in fact a sort of evasion
of the rules. By drawing a boat with the rise of floor measurement
falling on the flaring topside, rather than at the chine, Alistair
Cope and slightly later Dave Roe designed boats that were even
narrower on the waterline than any before, but were flat floored
with low rise of floor. Dave Roe's Italian
Bistro proved to be a major leap forward in design, planing
faster and earlier than anything else in the fleet, and managing
to combine that with docile handling and surprisingly good weight
carrying ability.
In 1991 a further rule change saw the introduction of bowsprits
and an increase in spinnaker size. This inevitably meant asymmetric
spinnakers. A year or so had been spent in intense development
until the final rule was defined, which gave a sail of a nominal
140 sq. ft, (actually about 150-160 sq.ft.). This, coupled with
the new flat narrow hull shapes has led to a boat with quite astonishing
offwind performance in medium breezes.
Meanwhile in Australia the International Association had elected
to update the fore and aft rig to a more modern layout based roughly
on the UK rig. Surprisingly perhaps, however, they elected to
make the sails a tight one design, rather than adopting the looser
restrictions used in the UK. The Australians have also adopted
self-draining hulls.
In 1995 there was a surprise development in Australia. Iain Murray
& Associates designed a Cherub
to the UK rules, complete with asymmetric spinnaker, for Hugh
Treharne (Tactician on Australia 2 in 1983 amongst other achievements)
and some other prominent Australian sailors. They wanted a suitable
boat for their sons to sail in-between the junior classes and
the skiffs, and felt that the International rules Cherub with
its boxy hull shape and conventional spinnaker was too far removed
from the mainstream of development. Their initiative was not greeted
with enthusiasm by the Australian Cherub Class, and the boats
were registered in the UK.
The 1995/6 worlds saw the new rules UK boats competing against
the Australians for the first time. Unfortunately the top U.K.
sailor, Dave Roe, suffered an appalling run of bad luck, breaking
every spar on the boat. In the only two races he finished without
gear failure he was second to one of the IMA Sports Cherub designs,
and in two other races he lost a spar whilst in second place.
The Sports Cherub, called by that name, won the regatta easily,
counting four firsts and a second.
The Australians and New Zealanders have adopted asymmetric spinnakers in 1997. However the Australians are adamant that the rigs should continue to be basically one design, and that the hulls should remain at the original rise of floor measurements, not the narrower ones used in the UK. In 1997 the Brits elected for a further simplification of the measurement rules, and, with the impact of the new SMOD semi-skiff types, also elected to increase the sail area slightly to 12.5 sq.m. fore and aft, 15sq.m. spinnaker. It may well be, then, that the class will remain divided for a few years yet. The latest set of changes do seem to have cracked the light/moderate airs performance problems that have so long plagued the class in the U.K. This is just not an issue in Sydney of course! The handicap used for the class in the UK now seems to be dropping appreciably, which is as good a sign of successful development as one could expect.
Jim Champ, 2001
with acknowledgements to numerous previous compilers and contributors.
I'd particularly like to thank:-
U.K.
Gary Bellamy, Will Perret, David Steele.
N.Z.
Richard Gladwell, Farr Yacht Design, Sea Spray Magazine, Robin
Elliot
Australia
Murray Burns & Dovell, Nel Bethwaite.
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