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Space Bug conversion to free flight use

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Post  ticomareado Mon May 06, 2019 7:16 pm

There is a section on a set of plans for the California 1/2A Spacer F/F model detailing a tank plumbing modification which allows a Space Bug's rather inflexible integral tank/fuel system to be plumbed to run through a free flight fuel shut off timer. I was able to print out a very small and distorted image of that text and diagram on the model plans as posted in an Ebay listing for the model kit, but try as I may with a magnifying glass I cannot read it.

Can anybody help on this?
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Post  Mudhen Mon May 06, 2019 8:05 pm

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Last edited by Mudhen on Wed Nov 17, 2021 2:46 pm; edited 1 time in total
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Post  ticomareado Tue May 07, 2019 5:55 am

Thanks for digging that up for me, but I'm still confused.

Doesn't the new pressed in tube at "B" somehow or another have to make a good sealed free plowing diagonal connection on the lower part of the original fuel pick up passage ?

I'm having a hard time groking this thing.
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Post  Surfer_kris Tue May 07, 2019 6:27 am

It is all there in the image, I think. The original pick-up is inline with the needle valve (both would be facing towards the outside of the circle in CL) and it should be plugged at the end (marked with an A in the image) the new line is then drilled to intersect that line (marked with a B in the image).

Here is also a cross section (from Martin Hepperle's site):

Space Bug conversion to free flight use Cox_space_bug_tank
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Post  getback Tue May 07, 2019 7:25 am

I Agree With Above Yes took me a min. to see the pickup had been PLUGGED then running the timmer through the external fuel hose from tank so it will feed from there . You get it Victory ?
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Post  ticomareado Tue May 07, 2019 7:35 am

Kinda sorta. I do have certain areas of retardation.
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