# Aluminium propeller-of your choice. Czech republic
**URL:** https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522
**Category:** Props & Ducts
**Created:** [September 3, 2019, 6:23pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522 "2019-09-03T18:23:10Z")
**Posts on this page:** 18
**Page:** 1
### Author:  [@zaja.cz](https://foil.zone/u/zaja.cz)
#### Post date: [September 3, 2019, 6:23pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/1 "2019-09-03T18:23:10Z")
Hi guys. One local company made me an aluminum propeller. (aluminum casting) If anyone is interested, contact is: Info@Macho-Tech.cz
   
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### Author:  [@Rienk](https://foil.zone/u/Rienk)
#### Post date: [September 3, 2019, 6:37pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/2 "2019-09-03T18:37:15Z")
What is the pitch and diameter, and why did you chose this shape?
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### Author:  [@zaja.cz](https://foil.zone/u/zaja.cz)
#### Post date: [September 3, 2019, 6:50pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/3 "2019-09-03T18:50:34Z")
I just wanted to see what quality it would produce.
Make you any propeller.
It’s this propeller.
> **[Fusion](https://myhub.autodesk360.com/ue29ca300/g/shares/SHabee1QT1a327cf2b7a03db6370d9323171?viewState=NoIgbgDAdAjCA0IDeAdEAXAngBwKZoC40ARXAZwEsBzAOzXjQEMyzd1C0BjAMwhgE4A7ACNhAWm4BWCIzEAWYfwBMYgByD1YgCajGMXBEGNhRtAF8QAXSA)**
>
> Share 2D and 3D design files and project files with anyone.
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### Author:  [@SoEFoil](https://foil.zone/u/SoEFoil)
#### Post date: [September 3, 2019, 11:11pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/4 "2019-09-03T23:11:31Z")
Very nice quality. How much did you pay for this job ?
This propeller is PM’s rev3\_3blades.stl
Pitch: I think @Manu found 8.38" = 21.3cm for this prop (practical method).
@svtlakovas cast exactly the same model [last July](https://efoil.builders/t/russian-efoil-build/4989/11?u=soefoil).
Since the company can mold any prop:
@Mat is also very satisfied with @foiledagain 156mm prop:
> **[80100 Duct for Safety](https://foil.zone/t/80100-duct-for-safety/5099/74)**
>
> If you have to choose one of yours, go for the smaller pitch and smaller diameter. If you can print/finish it: that one from @foiledagain slightly modified: https://a360.co/2PgkxiY It performed much better than my solas 7-1/4 x 6. i’m using a...
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### Author:  [@zaja.cz](https://foil.zone/u/zaja.cz)
#### Post date: [September 4, 2019, 4:12am UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/5 "2019-09-04T04:12:02Z")
I paid 110 euros. I am satisfied with the quality.
The price was: individual mold preparation, casting, lathe-repair and sanding.
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### Author:  [@Manu](https://foil.zone/u/Manu)
#### Post date: [September 4, 2019, 7:12am UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/6 "2019-09-04T07:12:31Z")
Not an expert but a good job for the price… do you plan to do a balancing?
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### Author:  [@zaja.cz](https://foil.zone/u/zaja.cz)
#### Post date: [September 4, 2019, 8:12am UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/7 "2019-09-04T08:12:06Z")
yes i am planning to do sam only static balance. I think it will do.
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### Author:  [@SoEFoil](https://foil.zone/u/SoEFoil)
#### Post date: [September 4, 2019, 9:25am UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/8 "2019-09-04T09:25:33Z")
Have you tested this prop ?
Could this process be any cheaper with 15-20 persons interested ? 🤫
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### Author:  [@Manu](https://foil.zone/u/Manu)
#### Post date: [September 4, 2019, 10:35am UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/9 "2019-09-04T10:35:54Z")
Good idea for group buy… but I guess you still need 1 mold per propeller… to see this could interest me.
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### Author:  [@zaja.cz](https://foil.zone/u/zaja.cz)
#### Post date: [September 4, 2019, 2:48pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/10 "2019-09-04T14:48:48Z")
Not yet, I want to test it on next weekend, after that I will now if it is better than the plastic one.
Yes you can have a better price if the peopellers will be the same shape. The sale will be from 10-20 EUR for a piece if you buy atleast 5 same propellers.
 
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### Author:  [@SoEFoil](https://foil.zone/u/SoEFoil)
#### Post date: [September 4, 2019, 3:13pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/11 "2019-09-04T15:13:31Z")
> [@Manu](#):
>
> but I guess you still need 1 mold per propeller
I am not an expert but a single-use two-part sand mold is not so difficult to create. The difficulty is to imagine the 2 half prop separated with a wood blank (called “the pattern” by the pros) that will emboss each of the 2 sand surfaces. For that, I think we can take some inspiration from what @virus did with his two-part silicon mould for his carbon props.
Here it all started with a handcrafted piece of wood …: that will be 3D printed in 2019 😉
[ ](https://www.youtube.com/watch?v=ZjG65TOz2Ho)
Warning: aluminium casting is not so expensive (one burner heating a 3kg graphite crucible cost less than 50usd) but will be dangerous for your lungs due to toxic fumes unless carried out outdoors or in a well ventilated place.
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### Author:  [@zaja.cz](https://foil.zone/u/zaja.cz)
#### Post date: [September 5, 2019, 5:29am UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/12 "2019-09-05T05:29:25Z")
I live in an apartment building, so I have nowhere to do it. 😅
And I leave this job to the company.
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### Author:  [@Manu](https://foil.zone/u/Manu)
#### Post date: [September 5, 2019, 6:11am UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/13 "2019-09-05T06:11:32Z")
@zaja.cz I look forward to your return. If that’s conclusive, I’m willing to take 1.
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### Author:  [@Heimfried](https://foil.zone/u/Heimfried)
#### Post date: [November 26, 2019, 8:03pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/14 "2019-11-26T20:03:27Z")
Hi zaja.cz
did you test the prop? Any results?
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### Author:  [@zaja.cz](https://foil.zone/u/zaja.cz)
#### Post date: [November 27, 2019, 7:36am UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/15 "2019-11-27T07:36:39Z")
I haven’t tested yet, I haven’t had time. Now it’s cold with us, so I will probably test it in spring. But I have in my mind the idea of a project with a Flipsky engine, so maybe even the test will not.😅
Later, I have Macho-tech make another aluminum propeller. (made according to your wishes)
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### Author:  [@Jimbob](https://foil.zone/u/Jimbob)
#### Post date: [January 10, 2020, 2:31pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/16 "2020-01-10T14:31:38Z")
I would love one to test on my Flipsky 100kv motor.
Can you make me one ?
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### Author:  [@zaja.cz](https://foil.zone/u/zaja.cz)
#### Post date: [January 10, 2020, 8:22pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/17 "2020-01-10T20:22:17Z")
no problem to do one piece. you must contact the manufacturer by e-mail: Info@Macho-Tech.cz and send a propeller design - for example, for 3D printing. They’ll make you what you want.
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### Author:  [@Foxyirish1987](https://foil.zone/u/Foxyirish1987)
#### Post date: [January 10, 2020, 11:18pm UTC](https://foil.zone/t/aluminium-propeller-of-your-choice-czech-republic/5522/18 "2020-01-10T23:18:49Z")
Let the forum kniw what price you get please