Harbour directory

Hammersmith Model Makers (HMM) Wavemaster 34.

Listed by zooma ·

Specifications

Boat Length
34" (86.36 cm)
Motor Type
Brushless
Drive Type
Direct
Props
Single
Max Amps
100A
Battery Type
LiPo
Battery mAh
5Ah (5,000 mAh)
Prop Type
2 Blade
Prop Size
45mm
Run Time
30 min
Model Speed
20 km/h (12.4mph)

Photos

Original HMM box and contents.
HMM advert when they were distributed by A A Hales.
Kit review in 1952

About this boat

I bought this original un-built kit some 6 years ago.

The kit was damp and the wood inside the box had warped quite badly.

I copied all of the parts in new birch plywood and left all the original parts on a flat surface under a heavy weight for months/years !

This is a classic British model boat kit originally produced by Hammersmith Model Makers Limited in July 1952 from a design by L.J. Rowell.(Les Rowell).

The kit was intended to be built on a jig, so I followed the kit instructions and made an accurate jig on which I fitted and glued my newly cut “copy” parts.

Now that I have built and tested a jig made to the original HMM dimensions and specification, I can report that it works very well and can be used to build a very accurate and “square” hull.

The original 1952 kit parts could also be built on this solid jig now that they have been flattened - with some minor replacement parts being preferred to the original water damaged parts!

Bob.

.

Comments

  1. zoomaBronze
    Fleet Admiral
    The bulkheads were slotted into the jig and were held firmly and accurately in position as the keel was inserted and glued into position.

    Small pieces of blue masking tape were placed under the areas to be glued to prevent anything from sticking to the jig!

    The first stringers to be fitted were held against the front bow former with nails driven into the jig base to keep it in place until the PVA glue dried overnight.

    Bob,
    Bulkheads slotted into the jig.
    Keel fitted onto the inverted bulkheads.
    Stringer held against the bow former until the glue had dried.
    Blue tape added anywhere that was to be glued on the jig.
    Liked by chugalone100
  2. zoomaBronze
    Fleet Admiral
    The original warped kit parts were drawn around and accurate templates were made and tested to make sure that they “folded” along their centre lines to be perfectly symmetrical.

    Original saw cut kit parts were never this accurate, so some minor “adjustments” were made before the final symetrical shapes were drawn onto birch plywood using a BIC fine point pen ready to be cut out.

    Bob.
    Newly cut parts laid out on the heavy plywood base that would become the construction jig base
    New birch plywood parts are flat and symetrical.
    Liked by chugalone100 and Ray
  3. zoomaBronze
    Fleet Admiral
    The original saw cut kit parts were damp in the box when I bought the kit and had warped quite a bit.

    None of these parts could be used.

    These parts were placed on a flat surface and put under a weight while they were still damp and left for several months to help regain their original flat shape for future use.

    Bob
    Damp wood found in the kit was warped and unusable.
    These shapes were pressed flat and copied in new birch plywood.
    Liked by chugalone100 and Ray
  4. Madwelshman
    Lieutenant Commander
    I've got two Wavemaster, one quite tidy (generally) but still requiring some work, and one basket case that came 'at the right price', but was actually worse than I initially thought.

    Will
    Liked by zooma
  5. zoomaBronze
    Fleet Admiral
    The plan faired better than the original wood did as it dried out well and is not stained.

    This plan has L J Rowel’s name on it.

    Could this be the earliest collaboration between Les Rowell and a model kit maker?

    Does anyone know of any Les Rowell deigned model boat design than has an earlier date than July 1952?

    Bob.
    Liked by chugalone100

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