Why do many velos have flat bottoms?

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   Alan, this is essentially identical to the sketch(es) I have! :)

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runcyclexcski Members Profile Send Private Message Find Members Posts Add to Buddy List BHPC Member Joined: 23 May 2017 Location: east midlands Status: Offline Points: 63	Post Options Post Reply Quote runcyclexcski Report Post Thanks(0) Quote Reply Posted: 30 May 2017 at 11:37pm
	Alan, this is essentially identical to the sketch(es) I have! :)

runcyclexcski Members Profile Send Private Message Find Members Posts Add to Buddy List BHPC Member Joined: 23 May 2017 Location: east midlands Status: Offline Points: 63	Post Options Post Reply Quote runcyclexcski Report Post Thanks(0) Quote Reply Posted: 30 May 2017 at 11:43pm
	Yes, I get now where all these budges come from! A mould like this would take me ages to make, if ever. That is why a cylinder is what I have sketched up. The front cone/cup: an inflated balloon coated with polyurea to create a mould, then apply fabric+resin and vacuum bag. The tail: could use the same approach as with the cup, then it would be fully symmetrical, but the taper would not be there. Any other ways to make a taper? I could squeeze the cylinder between two surfaces at an angle, but then it will get squeezed both up and down, like toothpate, doh! :) I am also looking for ways to make a full ellipsoid, with the distance between F1 and F2 about 2m, 90 cm in diameter.

GeoffBird Members Profile Send Private Message Find Members Posts Add to Buddy List BHPC Member Joined: 20 September 2005 Status: Offline Points: 2396	Post Options Post Reply Quote GeoffBird Report Post Thanks(0) Quote Reply Posted: 30 May 2017 at 11:47pm
	Who's Alan?
	Right Time - Right Place - Wrong Speed

legs_larry Members Profile Send Private Message Find Members Posts Add to Buddy List BHPC Member Joined: 09 March 2005 Location: London Town Devine Status: Offline Points: 1554	Post Options Post Reply Quote legs_larry Report Post Thanks(1) Quote Reply Posted: 31 May 2017 at 10:22am
	Our illustrious chairman, of course. The BHPC is just like the old Soviet Union in that respect; all good ideas are routinely credited to the General Secretary of the Party (and all bad ones to "fascists", "reactionary elements" or the CIA). why do you think I used to refer to the committee as "The Politburo"?
	==================== a bit ov a lyv wyr by slof standirds

AlanGoodman Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Club Chairman Joined: 04 March 2005 Location: United Kingdom Status: Offline Points: 8036	Post Options Post Reply Quote AlanGoodman Report Post Thanks(0) Quote Reply Posted: 31 May 2017 at 1:37pm



runcyclexcski Members Profile Send Private Message Find Members Posts Add to Buddy List BHPC Member Joined: 23 May 2017 Location: east midlands Status: Offline Points: 63	Post Options Post Reply Quote runcyclexcski Report Post Thanks(0) Quote Reply Posted: 01 June 2017 at 6:24pm
	I am very sorry, Geoff, this is embarrassing. I read the wrong name, and I do not know everyone's name by heart yet.