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Red Cube?downstream
Thanks Tom. I was looking at putting it between the pump and servo, but I soon saw that those hoses are BIG?hence my question about SIZES and lengths. Putting it between the servo and spider looks like it eliminates any need for reducers/adapters, so that's what I'll do. I'll get back with you about hoses after I look at exact location, per your suggestion.
Do you have any pro/con advise about allowing the cube to float, vs. mounted on FW? Thanks |
Has this been decided?
I just spent the last hour reading about 50 posts - all with a different opinion on where and how to mount the Red Cube. What is confusing is the different locations for FI and carbs. I have a carb and there are more locations discussed for carb engines than FI
Im about ready to throw it away and just use a stick to know my fuel use! |
I was in the same quandary at that stage. Then I happened upon a builder's website (it may have been Randy Lervold's) that showed the Cube in a place that would work perfectly for me. I put it there - between two hoses in the line between the servo and spider - and it has worked great ever since.
I recommend you put it in a place you can access readily ... Red Cubes fail every now and then. My first one had defective threads and had to be replaced at 12hrs flying time. |
Thanks Terry. I spoke with Tom and he said to mount it and then tell him what length hose I need and he will make them for me. I told him to quit milking his knee - near death experience and get back to work!
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Here's where I put my Red Cube on my -8.
![]() Awaiting new hose from Tom to run between Cube and spider. Warning: untested. Still building. |
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Perfect!
Jared, Thanks for the picture. That is exactly what I am going to do. Im even going to paint it white as a tribute to you! Ha!
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Actually, it's still uphill to the spider from there, per my installation instructions. I Googled for more info, and it looks like there are "old" Red Cubes, and "New & Improved" Red Cubes. I found a 25+ page set of installation instructions on line that I think pertain to the older model. My Red Cube came with a 2 page install sheet, that says: "…the fuel line on the outlet port should not drop down after exiting the transducer."
Pretty sure I complied with that, but will double check…especially in a level flight attitude. There was no mention of bubble-trapping loops in my installation, but I DID see references to that in what I think was the "old" manual. Thanks for keeping me honest. Love the feedback on this site. |
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