[python] Re: frame flexibility

  • From: Dirk Bonne <dirk_bonne@xxxxxxxxxx>
  • To: python@xxxxxxxxxxxxx
  • Date: Mon, 13 Dec 2004 17:48:42 +0100

Torben Scheel wrote: 

Dirk Bonne wrote:


Does this mean you will make the seat unmovable? I am also beginning
to suspect the innocent looking rear part.


No, I'm making it 3-step adjustable, and the brackets foldable. I'm not giving up on the easy-packable concept just yet.

I'm going to make a tube that fits the flevoaxel
exactly in a lathe, and braze it in the rear frame, but maybe I can't



When I saw your python, you were not using the parts 25, 26, 47 and 27
(numbers taken from the drawing you posted). My experience with the
flevo is that these are really important to completely eliminate
flexing in the flevo pivot. And it prevents the holes from elongating
becuase the axle does not rattle anymore in these holes.


Should 26 be movable? It would be the logic solution, but also complicate dismantling/assembly a bit (well, 2 minutes instead of 1 :-))

Yes, thats the original idea about it (26 is fixed to 25 of course). The reason is to get to 27 if you unscrew 47 too far out. OTOH, with 26 loose you can lose a whole bunch of numbers while carrying your dismanteled flevo into the train. It nearly happened to me once.

Also note --in case you didn't buy those pieces-- that the diameter of the drilled hole in 27 is quite much larger than the axle itself. It is only meant to press the axle, but not to fit nicely. The larger the hole the easier assembly will be.

Dirk



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