Pet-CF (just because I have a lot of it), 16s. I want to try both impellers.
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@Kian would have more subject matter expertise as he has used real jet drives but you are likely right in this theory.
Before I launched I gave the jet a little spin while I stood sort of behind it. The pulse of air that came out was much more forceful and concentrated than doing the same thing with my Flite prop.
Thanks for the info on your configuration as well😀
I can’t believe the priorities young people set these days!!
Really what is MORE important - learning how to operate a vehicle safely so you don’t maim yourself or others OR playing on the water???
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What are your hopes for this over the open propellers?
My initial thought when I saw this was that this could be used to built a relatively cost effective version of the new amp board (if there was enough power). I look forward to hearing how your tests go.
What ver of impeller are you trying?
It was my impression that the 5 blade developed more thrust than the 9 blade at least on my configuration.
On high speed the tow starts to get air in the propeller. I want to test if this closed design helps.
I have 5 blade one one side and 9 blade on the other to compare them. Of course mirrored for turning directions.
But main reason for testing is to get a feeling of something similar could work on an 6384 as an assist for my kids…
I should make it in the water tomorrow 
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I’m pretty sure they have different thrust capability at identical throttle so wouldn’t that make the boogie just go around in circles?
Did you also mirror the vanes inside the actual duct parts as they are curved in the direction of the impeller blades?
Self-tapping screws and a little glue couldn’t save me from losing the covling. The two-millimeter wall was clearly not suitable. The rigidity of PET-CF is insufficient, the body is easily deformed and the propeller may touch the walls as a result of insufficiently uniform tightening of the screws.
There wasn’t enough power for takeoff with a 64-liter board and a Spitfire 900.
I am becoming more and more convinced that there is nothing better for a tow boogie than two 63100 motors.
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I hope you mirrored the Motor mounted Part to, as the blades on this one create a preswirl. Means the have an angle.
I think that’s a good way of comparing the different blades. It is no problem to handle the different pull on the tow. Also curious if it is faster then propellers.
Yes, i mirrored everything. I hope I will be able to test it tomorrow.
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Did you get a chance to try both impeller vers before your back part fell off?
If so can you tell us which ver seems more powerful?
Unfortunately no. (20ch.)
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To attach the propeller, you need to drill 4 holes and cut threads.
No sorry… You can blame storm Amy (caused by hurricane Humberto) for this.
Unfortunately the weather still looks like crap here. Winter is coming 
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Wow. That’s quite a storm!
Although the Whitewalkers are coming it was 24C for me yesterday 