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Posted

Has anyone from here tried to contact - www.aerotech-poland.com They make PSRU's and i'm trying to get information about their belt psru (below) that they manufacture but I can't get any reply from them??

 

Thought someone here may have had contact with them at some time.

 

 

 

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Posted

A different firm ?

 

Sainty engineering :[email protected] :

 

They use the same type of reduction belt system on their drag car.

 

Just for your information as an alternative to "original equipment".

 

spacesailor

 

 

Posted

What is the psru off? It looks a lot like the one fitted to the old style Verner engines made in Czechoslovakia. I have a couple in my shed.

 

 

Posted

Hi M61A1,

 

The psru from Aerotech was made to adapt to any auto engine up to 200hp

 

Technical Data:

 

REDUCTION RATIO ...........1.60 : 1, 2.09 : 1, 2.23 : 1, 2.50 : 1, 2.80 :1, 3.00 : 1

 

OUTPUT ROTATION DIRECTION ...........................................Same as Engine Input

 

BELT WIDTH .................................................50 mm (1.97 in.) - 100 mm (3.94 in.)

 

BELT LENGTH .........................................800 mm (25.21 in.) - 1000 mm (39.37 in.)

 

BELT TEETH PITCH ...................................................................8 mm (0.315 in.)

 

APPROXIMATE INSTALLED WEIGHT ........................5 kg (11 lbs.) - 9 kg (19.8 lbs.)

 

PROPELLER HUB .......................6-Hole (8 mm) on 75 mm Bolt Centre with 1 in. Pilot

 

LIFE OF THE BELT...................... change every 2 years or 500 hours (recommended)

 

Performance Data:

 

MAXIMUM ENGINE HORSEPOWER ........................................................200.0 HP

 

MAXIMUM ENGINE INPUT TORQUE.......................................................300 ft/lbs

 

MAXIMUM ENGINE INPUT SPEED........................................................6,500 RPM

 

I contacted a friend in the Czech Republic and he said Aerotech was bought out by another company and don't make PSRU's any more.

 

What HP engines did the PSRU you have come off, I'm after a belt drive that will take 85HP, 2.2:1 to 2.5:1 ratio.

 

If what you have are suitable for my engine, I would like to buy both of them off you if you want to sell them.

 

Send me a PM and let me know.

 

 

Posted

Have you checked whether Foxcon are still making belt drives? I've been flying behind one on a Subaru EA81 for the last 11 years

 

 

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