[Nhcoll-l] Grate covered trenches in alcohol collection facilities

[Dirk Neumann]

Hi Rob and all,

we don't have such trenches, but a slightly uneven floor and uneven door 
sills. Be careful with pneumatic (larger) rubber tires; as John pointed 
out fully loaded, heavy carts can deform the tires, especially if the 
payload remains on the cart, e.g. over night, the tires might be 
deformed, even if inflated to the max. The same applies to some full 
rubber wheels. We replaced wheels again and equipped our cart with 
larger fixed rollers for heavy loads. The steel centre and the rather 
sturdy and slim rubber hoop surely to not support the smooth wheeling, 
but these wheels are a fair compromise.

In the Brussels collection they have deep trenched tiles on the floors 
in the collection space, carts in the old carts in the collection 
(surely also form the 1930ies) have very large steel wheels with rubber 
hoops. They run rather smoothly, which is because of the large wheels.

Hope this helps
Dirk



Am 08.02.2022 um 18:47 schrieb Callomon,Paul:
>
> I agree with John that carts with larger-diameter wheels are a good 
> idea. You can often retro-fit existing carts with bigger wheels. They 
> don’t need to be pneumatic as long as they have rubber tires; the 
> diameter is the main thing. However, bear in mind that every extra 
> inch of wheel diameter (and soft tires) makes the cart easier to tip, 
> especially if it is loaded with heavy jars on the top. It’s best 
> either to use a lower cart or to load things on the bottom shelf.
>
> I think the ideal wet collection wagon is – yes – the Radio Flyer! It 
> has a tall rim to stop bottles tipping, is watertight if anything 
> leaks, has nice big wheels and a long steering handle and is 
> reasonably priced.
>
> https://www.spokesman.com/galleries/2017/jul/22/100-years-of-the-radio-flyer/
>
> Paul Callomon
>
> Collection Manager, Malacology and General Invertebrates//
>
> ------------------------------------------------------------------------
>
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>
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-- 


Dirk Neumann

Tel: 089 / 8107-111
Fax: 089 / 8107-300
neumann(a)snsb.de

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Staatliche Naturwissenschaftliche Sammlungen Bayerns
Zoologische Staatssammlung München
Dirk Neumann, Sektion Ichthyologie / DNA-Storage
Münchhausenstr. 21
81247 München

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http://www.zsm.mwn.de/sektion/ichthyologie-home/

---------

Dirk Neumann

Tel: +49-89-8107-111
Fax: +49-89-8107-300
neumann(a)snsb.de

postal address:

Bavarian Natural History Collections
The Bavarian State Collection of Zoology
Dirk Neumann, Section Ichthyology / DNA-Storage
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81247 Munich (Germany)

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