Moderator: Mike Everman
FWE run.wmv [ 1.84 MiB | Viewed 11855 times ]
francisco wrote:hola mella. me agrada mucho saber que su fwe finalmente arranco, debe sentirse orgulloso de si mismo.
me gustaria saber de donde saco los planos, y si tiene uno enviemelo porfavor, si tiene fotos o descripciones en cuanto a como es el iyector, como es la pipa, la cantidad de gas que inyecta, aire,etc,etc. porfavor, hagamelo saber. estoy tratando de juntar la mayor cantidad de planos posibles para abrir una pagina web.
mi e mail es:firstname.lastname@example.org
Nick wrote:I was thinking about measuring thrust and thought the most accuarate way would be to rig up a simple pulley system counter balanced with small weighs/lumps of metal of a know weight, or just pile stuff on untill the carriage moves back, then just wieght the lot on kitchen scales.?.
Bruno Ogorelec wrote:I still fail to understand what's wrong with the methods used by Werner von Braun, Paul Schmidt et al.
Mike Everman wrote:Random thoughts:
That works great for bigger engines, of course.
I suppose we could ignore any effects of mounting in a way we don't intend to use it...
If we really want to dyno tune these things, then you want a lot of resolution, and to vibration isolate between engine and scale.
Once I exceed the 10 lb of my force gage, I'll do exactly as you say, Bruno. Perhaps put a weight on the scale, then a blob of rubber, then the engine mount.
I have been using a kinked wire or a piece of rubber tube between force gage and engine to absorb the vibration. The vibration will make short work of any little mechanism inside the scale.
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