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Spearfishing Rubber
Spearguns, other than pneumatic spearguns, are powered with speargun rubber (also known as power bands). The rubber is pulled back and hooked into the notch of a spear by the bridle on the rubber.
Speargun rubber comes in different thicknesses (e.g. with an outside diameter of 13 mm, 16 mm, 18 mm, 20 mm etc.) and lengths (to suit the target "gun length" being the distance between the inside of the gun muzzle to the front of the trigger). We have top quality bulk rubber, which is normally cut to size, and you make up the speargun rubber. We also have pre-made circular and euro rubbers for some spearguns. For hand spears we carry pre-made rubbers as they tend to be all the same length.
You can buy lengths of speargun rubbers that you can then use to cut and fit your own power bands. This is suitable for experienced spearfishermen who have time to spend measuring and cutting their rubbers. However if you are a beginner you will be much better off buying pre-cut rubbers designed specifically for your speargun. This ensures you have the right length rubbers for your gun and that they are made from the most effective materials.
The thicker your speargun rubber is the harder it will be to load and the more power it will give. Alternatively, you could have two thinner rubbers that are easy to load but still provide maximum power. Twin 16 mm rubbers are ideal for most kinds of spearfishing unless you are hunting marlin or large tuna which may require several power bands.
As with any rubber product you need to store speargun power bands away from direct sunlight and extremes of heat. Store in a dry, dark place and spray with silicone lube before putting them away to keep them supple.
D McLennan
Wreck Dive | 
Boat access
Steel Steam Bucket Dredge | Max Depth: 58 m (190 ft) — Graveyard
The D McLennan was a steel dredge, built 1912, and scuttled in the Victorian Ships' Graveyard on 8 June 1949. She rests on a sandy seabed, 58 metres deep.
D McLennan Shipwreck History — Built in 1912
D McLennan
© Melbourne Harbor Trust
The D McLennan was a steel steam bucket dredge of 424 tons gross, built in 1912, by Koninklijke Nederlandsche Grefsmedery, in Leyden, Holland. The overall length of the vessel was 165.5 ft (50 m), with a beam of 29.2 ft (8.9 m) and draught of 8 ft (2.44 m).
The D McLennan was built for the H.A.M. No. 6 and purchased second hand by the Melbourne Harbour Trust from Batavia (present-day Jakarta, Indonesia), and brought into commission in 1925. The dredge was capable of dredging to 59 feet and it worked on various dredging projects within the port until it was condemned in 1949.
D McLennan Sinking — Scuttled 8 June 1949
After being stripped of all items of value, the D McLennan was towed out into Bass Strait and scuttled in the Victorian Ships' Graveyard on Wednesday 8 June 1949.
See also, Heritage Council Victoria: D McLennan, and
Australian National Shipwreck Database: D McLennan.
Heritage Warning: Any shipwreck or shipwreck relic that is 75 years or older is protected by legislation. Other items of maritime heritage 75 years or older are also protected by legislation. Activities such as digging for bottles, coins or other artefacts that involve the disturbance of archaeological sites may be in breach of the legislation, and penalties may apply. The legislation requires the mandatory reporting to Heritage Victoria as soon as practicable of any archaeological site that is identified. See Maritime heritage. Anyone with information about looting or stolen artefacts should call Heritage Victoria on (03) 7022 6390, or send an email to heritage.victoria@delwp.vic.gov.au.
Bass Strait Warning: Always keep an eye on sea conditions throughout any shore or boat dive in Bass Strait on Victoria's coastline. Please read the warnings on the web page diving-in-bass-strait before diving or snorkelling this site.
Traditional Owners — This dive site does not lie in the acknowledged traditional Country of any first peoples of Australia.
D McLennan Location Map
Latitude: 38° 22.104′ S (38.368392° S / 38° 22′ 6.21″ S)
Longitude: 144° 25.983′ E (144.433055° E / 144° 25′ 59″ E)
Datum: WGS84 |
Google Map
Added: 2012-07-22 09:00:00 GMT, Last updated: 2022-05-12 03:26:34 GMT
Source: Book - Victoria's Ships' Graveyard GPS (verified)
Nearest Neighbour: Bunyip, 716 m, bearing 238°, WSW
Steel Steam Bucket Dredge, 424 tons.
Built: Leyden, Holland, 1912.
Scuttled: 8 June 1949.
Victorian Ships' Graveyard, Bass Strait.
Depth: 58 m.
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DISCLAIMER: No claim is made by The Scuba Doctor as to the accuracy of the dive site coordinates listed here. Should anyone decide to use these GPS marks to locate and dive on a site, they do so entirely at their own risk. Always verify against other sources.
The marks come from numerous sources including commercial operators, independent dive clubs, reference works, and active divers. Some are known to be accurate, while others may not be. Some GPS marks may even have come from maps using the AGD66 datum, and thus may need be converted to the WGS84 datum. To distinguish between the possible accuracy of the dive site marks, we've tried to give each mark a source of GPS, Google Earth, or unknown.
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