AN> This is a modification of Don's idea. Move the water pump
AN> down low on the cool side of the block so when you lose
AN> a bit of water the pump is not sucking air. Great idea Don.
AN> Should give one more time to get it on the ground in the
AN> event of a cooling system problem.

AN> Second advantage is it gives more clearance under low cowls
AN> so there is no need to cut down the stock pump.

AN> We all have a few Mazda pumps lying around so all we need
AN> is a casting to convert it into a high efficiency pump.
AN> Water straight in the back side and straight up and out.

AN> This is a first draft rough cut. I'll add a lower pivot
AN> and upper adjustment tang so the belt tension can be adjusted.
AN> Just like an alternator. Any comments?

AN> Paul Lamar

AN> The AirCraft Rotary Engine NewsLetter.  Powered by Linux.
AN> ACRE NL web site. http://home.earthlink.net/~rotaryeng/
AN> Copyright 1998-2002 All world wide rights reserved.

Hi Paul,
For the belt tension I used the standard Mazda pulley tension idler.
I used a piece of 1/4" angle and cut a slot for it to travel and
mounted it on the front cover lug. The tension bolt is facing down.

--
Best regards,
 ddunbar                            mailto:ddunbar@echidna.id.au

The AirCraft Rotary Engine NewsLetter.  Powered by Linux.
ACRE NL web site. http://home.earthlink.net/~rotaryeng/            
Copyright 1998-2002 All world wide rights reserved.