Details about seesaws and rubber buffer and the soil below it: Soft rubber buffers installed on the seesaw are decisive - or also tires installed in the soil can be -- Seesaws without soft rubber buffer without suspension -- Broken seesaws -- Seesaw in the water -- Seesaws on spiral springs (spring seesaws) -- Seesawing roundabout

Seesaw 02 made of wood with soft rubber buffer on a sawdust ground, Claramatte Park ("Clara Meadow Park"), Basel [2]

Seesaw 04 with tire buffers, without location [4]

Seesaw and pyramid made of old tires, Sadhana Forest near Auroville, Tamil Nadu, India (link) [21]

Analysis by Michael Palomino (2012)

Seesaws

Soft rubber buffers installed on the seesaw are decisive - or also tires installed in the soil can be

Seesaw 01 of premium steel with wooden seats and with soft rubber buffers, Buochs, Switzerland [1]	Seesaw 02 made of wood with soft rubber buffer on a sawdust ground, Claramatte Park ("Clara Meadow Park"), Basel [2]
Seesaw 03 made of wood with soft rubber buffers on the territory of soccer club BFC Dynamo Berlin [3]

Other architects are installing old tires into the soil so the impact is soft on the ground:

Seesaw 04 with tire buffers, without location [4]	Seesaw 05 with tire buffers, Ozd, Hungary [5]
Seesaw 06 with tires installed crossways in the soil, Sport Thieme, Switzerland [6]	Seesaw 07 with horizontally placed tire buffers on a wood playground in Eppan in Austria [7]
Seesaw and pyramid made of old tires, Sadhana Forest near Auroville, Tamil Nadu, India (link) [21]

Seesaws without soft rubber buffer without suspension
Seesaws without soft rubber buffer are blocking the children in their development possibilities, and there is always a threat of a hard impact.

Seesaws without soft rubber buffer on Hari Krishna farm "Eco Truly" in Lluta Valley near Arica in Chile [8]	Seesaws made of wood without soft rubber buffer, one of them is broken, school Kitawa in Salasaca in Ecuador [9]
Seesaws without soft rubber buffers in the location of Nuevo San Pedro in the Peruvian jungle in Pucallpa, Uyacali province, Peru [10]

Broken seesaws

Playground devices are also victims of brainless adults. Seesaws are affected often by this - by vandalism or by recklessness of adults meaning that a seesaw would bear also the weight of several adult persons:

This seesaw of metal was destroyed (probably by vandalism by brainless adults), Paraguari, Paraguay [11]

This seesaw of wood on a woodchip ground was destroyed by vandalism by brainless adult people, Boenen, region of Dortmund, Germany [12]

Well, one can see that seesaws are abused by adult people "just for fun" charging them with enormous weights, and dome seesaws are breaking then. Adults should be aware that playground devices are in real danger of breaking when adults are overcharging them - and playground devices are determined for children - or a playground for adults is needed.

Seesaw with adults, youth hostel of Dahlem, Berlin, Germany [13] -- this is a very good construction with a distribution of the weight to different points in a far distance (+).	Seesaws with adults on Lillo Camping Haselbach near Ellwangen, BW, Germany [14]
One more seesaw charged by adults at Mueggel Lake in Germany [15] As it seems playgrounds for adults are wanted with extra strong seesaws...

Seesaw in the water
Some playgrounds have their seesaws in the water when there has been a rain, and then the seesaw cannot be used during several days. That can be avoided
-- when soft floor panels are used, or
-- when woodchip ground is put, or
-- when tires are installed in the soil, or
-- when an artificial lawn is installed with a good dewatering, or
-- when a goot lawn protection mat is installed, or
-- when the seesaw is under a big roof.

Not usable seesaw in the water after a rainfall in Ejido Park in Quito, Ecuador [16] The seesaw construction itself is really a model -- with soft rubber buffers -- and the weight is distributed to two distant points without provoking too many holes in the bar. But the soil under the seesaw is extremely dense by pressing the soil by the children's feet and by the rubber buffer of the seesaw. Therefore a seesaw really needs a good permeable soil construction, with a grass lattice, or with soft floor panels, or with a woodchip ground which has to be scarified regularly in this case, or with an artificial lawn, or with a roof. But the best for seesaws seem to be really tires installed in the soil, or there are more possibilities.

Seesaws on spiral springs (spring seesaws)

Broad spring seesaw with four spiral springs in Muehlacker-Enzberg, Baden-Wuerttemberg, Germany [17]
Seesaw on three spiral springs (spring rider), Velbert, region of Wuppertal, Germany [18]	Wobbling bar on spiral springs in Parensen, region Goettingen, Germany [19]

Seesawing roundabout

Seesawing roundabout on the playground of Landgraben in Halberstadt, Germany [20]

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