Thanks @Kian. Link was updated with STL files.
I have 7.5x7" BA prop and Maytech MTI65162-SF 120KV motor
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Thank you.
I have the smaller prop (7.25x5") so unfortunately your duct will be to big for me.
What clearance do you need between prop and duct? Will you print a complete duct or by parts? My design is by parts because I have a resin printer for little pieces.
I have two of the same motors with the 12mm smooth shaft. I will print the complete duct. Can your file be modified in fusion 360 to print complete? I plan on using the Flying Rodeo propeller which I believe has a 6 inch diameter. Can the duct diameter be adjusted for this diameter? I haven’t found a duct that fits this motor yet. I modified a file for the flipsky 65161 motor but still had to use a die grinder to get it to work. My cad skills are limited 
See photos.
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I changed diameter of duct to 6", check before printing. I dont use Fusion, I use Solidworks.
https://www.dropbox.com/sh/hdjk7rtccaw8cp3/AAAxVrBggGm0baiAiEk9kUt1a?dl=0
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I like your version 2 model. Thanks for the 6 inch duct size, Your the man! 
You may want a smaller duct in the future as well. I have read a few posts and many people are using your prop but they have reduced the diameter of the prop by cutting the blades down. I understand that the larger prop size takes more power consumption to use, which equates to less efficiency and lower overall ride times.
example of the reduced size prop:
Do you mind making one for the MTSP0504 (7.25x5") prop?
Motor is same as you have, but the 100KV version.
And yes. I know the 7.25x5" prop is no go, but it is all we have now.
I Update Dropbox folder “Others”. Check before printing! Please let me know if it works for you and share picture of your reults.
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Thank you so much. We will start printing it tomorrow and let you know the end result!
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Error. We thought that we had the new 65162 motor, but we still have the older 65161 version.
Unfortunately does the duct not fit on it (screw holes do not line up) 
Also need these dimensions for your installed propeller. And send me drawings or 3d model of your motor
Guys,
The 100kv is designed to work with maximum 40s(168v),
So please correct me if i’m wrong if the voltage recommendation is between 12s to15s we will not fully utilise the 100kv motor and it will be better to work with the 225kv or above it… right ?!
Max torque is also important and the rpm at max voltage (12-14S) should not be too high so you can use an efficient prop with a diameter between 130 and 170mm. Therefore most poeple chose 120KV for a direct drive (unless you want to add a gear).
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Why is 7.25x5 a no go? I am new and couldn’t find any reasons yet 
It’s ineffecient, unbalanced (this damages the motor). You can 3d print better props…
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Hi Pablo, Could you please share the file for a six inch duct with me again. The link does not work right now. My email is gummigeldprofi@gmail.com.
Send me this information and drawing of your motor to see position of screws.
Do you have the fairing STL for a 65162.
Do you have an STL for the Maytec motor fairing. Im looking for a fairing that will extend the distance from the motor to the prop. See below.
