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  • 29/09/2015

    I took a chance on this, because I didn't think there was enough information in the description. I ordered the C version, with the 8x20mm motor, but unfortunately what arrived today was the A version, with 7x16mm motor, so the figures below are for the A version. I haven't powered it up yet, but I think it will be very suitable for an indoor slow flyer of the Vapor, Ember, Cub etc. style. With the 8x20mm motor probably something a bit bigger and/or faster. The prop has a diameter of 138mm, but no pitch marked. By comparing it with other props of known pitch I am guessing it is a 138x63 mm or 5425 inches. It came badly out of balance, but by taking tiny shavings off the heavy blade with a modelling knife, I eventually got it to balance perfectly. It is very light at 1.24g, and I don't think it would withstand a hard impact, but ideal for a slow flyer. The description says it has a .8mm hole, but when I measured the prop shaft, it is 1mm diameter. I tried pushing it into the prop and it is a very tight fit, but does go in. The gearbox is the usual two brass bush type, with plastic 9 tooth pinion and gear. I didn't count the teeth on the gear, but I'm guessing there are 54 giving a 6:1 ratio. The prop shaft is 27mm long with one end knurled for a length of about 8mm. I think the knurled end goes into the plastic nut provided, with the smooth end going into the prop, so you can remove and replace a prop without much trouble. Weight of the gearbox is 1.29g and of the motor 2.61g. Motor shaft is 1mm diameter. There is a square hole in the gearbox that I think is intended for mounting on the end of a square section carbon fibre rod, such as you might use for the fuselage of a very light slow flyer of the Vapor type. It looks as though it is a 2x2mm hole. It would probably be possible to mount the motor/gearbox other ways, e.g. with tiny cable ties or with glue. The proof will be in how it runs, but at this stage I think it's a very light and economical power plant for an indoor flyer, with flexibility in the choice of motor according to your intended use.

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  • 07/08/2019

    Great micro motor for ultra light aircraft under 4 ounces. It ships unassembled but assembly is easy. The propeller balance should be checked and corrected before use. The gear is a little noisy at low rpm but it smooths out at flying speed. I used one in a Guillow's Lancer airplane I converted from rubber power to electric motor and 3 channel RC. This motor and propeller provide more than enough thrust for this under 50 gram airplane.

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  • 26/09/2018

    Nice Motor....... Enough Thrust power to my DIY plane.....

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  • 12/12/2020

    Καλό και ελαφρύ κιτ οδήγησης αργού πιλότου. Δεν δόθηκαν παράξενες οδηγίες, οπότε πρέπει να κοιτάξεις την εικόνα πολύ πριν την συναρμολογήσεις. Οι αμβλώσεις πρέπει να είναι ευθυγραμμισμένες, αλλιώς ο άξονας τείνει να σφίγγει και να λειτουργεί με υψηλή τριβή. Το βαλιτσάκι μου τραβάει 80mA στα 4.0V (στο 1s λιποαναρρόφηση) και δείχνει κάποια δόνηση θα ισορροπήσει την προπέλα και θα δούμε αν τραβάει αρκετά για το εσωτερικό φυλλάδιο μου...

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  • gozVIP4
    CA
    03/12/2020

    beau petit moteur vous devez cependant ajuster le trim des gaz pour avoir une impulsion de départ sinon le moteur ne tourne pas , je l ai mis sur un beechcraft mini de chez banggood

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  • 14/10/2020

    quick delivery, perfect condition, can’t wait to get building

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  • 08/11/2017

    this item is very good has super power i use for mini cessna airplain fly very good https://www.youtube.com/watch?v=sOhNC9UEu_U&feature=youtu.be

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  • 24/11/2018

    nice product but motor shaft is very tigh t and motor casing is very tight too you have to make that bigger to fit

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  • 31/08/2017

    Works perfectly fine for small indoor models.

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  • 28/09/2016

    I found the easiest way to mount the 8x20 version was to drill mounting holes in a WLtoys F929 motor base and push it onto the end of the motor of this unit and secure with a dab of superglue or epoxy as in my picture. To adapt the shaft for a Gemfan style 5030 or 6030 prop I soldered a piece of 2mm diameter brass tubing 8mm long inside another piece of 3mm brass tube and soldered them both onto the shaft .I then use a piece of silicon or plastic tubing to get a friction fit between the prop and the 3mm tubing. http://www.banggood.com/WLtoys-F929-F939-RC-Airplane-Spare-Part-Motor-Base-with-Propeller-022-p-947009.html http://www.banggood.com/Gemfan-5030-6030-7035-8040-8060-9050-1060-Direct-Drive-Propeller-1-pcs-p-973633.html

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