The Witness - Wheels - - BIKING - AL­WYN VILJOEN

ADAM Aarons lives just out­side Lon­don and the rainy city has in­spired him to do some­thing about his rain- smeared hel­met vi­sors once and for all.

The re­sult is the Rain­pal, a clip- on wiper blade that runs off a bat­tery and, in Aaron’s words, wipes away the rain with max­i­mum ef­fi­ciency and min­i­mum ef­fort.

The wiper works on all curved full- face, flip, ban­dit and open vi­sors and will not im­pede vi­sion, as it mea­sures less than 1,3 cm in height and width.

Aaron says his in­ven­tion ( pa­tent pend­ing) works well in slow city driv­ing con­di­tions, when the driz­zle does not run off, and de­liv­ers a far clearer vi­sion than what wa­ter re­pel­lents achieve.

His in­ven­tion comes with two at­tach­ment op­tions — a glue or suc­tion cups.

The glue strip bonds with the hel­met and mea­sures 1,2 cm, which is taken up by an ad­he­sive strip and mount­ing plate, fin­ished in ei­ther black or white to match the Rain­pal colour. You can then at­tach your Rain­pal to this mount­ing when it rains, or leave Rain­pal on con­tin­u­ously and de­tach the wiper with the one click de­tach­ment sys­tem.

For pedal bikes not go­ing over 25 km an hour, three suc­tion cups can be mounted in­side the hel­met.

Rain­pal also comes with an op­tional wa­ter reser­voir and a con­nec­tion for a large ex­ter­nal reser­voir to clean the vi­sor on dry days.

A handy side ef­fect of clean­ing wa­ter of the vi­sor, states Aaron, is that it also re­duces fog­ging in­side the vi­sor by re­duc­ing the tem­per­a­ture dif­fer­ence be­tween the in­side and out­side of the vi­sor

A re­mov­able bat­tery pack pro­vides 90 min­utes of con­tin­u­ous wip­ing and recharges through a USB port.

Aaron pro­vides two years fully com­pre­hen­sive war­ranty. The de­vice can be or­dered in sev­eral colours on­line from fundrazr. com at $ 69, ( R1 050) ex­clud­ing ship­ping.


The tiny clip- on hel­met wiper sells for just over R1 000.

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