Matty B Posted March 11, 2008 Share Posted March 11, 2008 Howdy to all, I am a little worried about a part of my 'grand plan'. Advice needed. I need to draw two lots of 5.5 horsepower (11 max total) from the FRONT of an EJ22. I want to run an Ingersol Rand hookah diving compressor and a high pressure water pump. Could I run these with electo clutches (ala A/C compressor style) and off the serpentine belt system? How much can the bearings handle I wonder? Pipe up if you have something to say... Quote Link to comment Share on other sites More sharing options...
porcupine73 Posted March 11, 2008 Share Posted March 11, 2008 Perhaps. I would think the a/c compressor brake horse has to be right around that range. It might cause you some idle issues though. i.e. the ECU typically bumps up idle slightly just before turning on the a/c compressor, etc. Quote Link to comment Share on other sites More sharing options...
Matty B Posted March 11, 2008 Author Share Posted March 11, 2008 Thanks for the input Porcupine, she will be running at 1/4 to 1/3 throttle so that shouldn't be a drama. Weber and distributor too, so no error code I can assure you. Quote Link to comment Share on other sites More sharing options...
OB99W Posted March 11, 2008 Share Posted March 11, 2008 [...]Weber and distributor too, so no error code I can assure you. A "slightly" modified EJ22? Obviously, the more power you require, the tighter the drive belt will have to be to prevent slippage, all other things being equal. Is that why the concern over bearings? Getting a fairly large degree of wrap will usually minimize slippage without the need for excessive tension. Around 120-150 degrees would likely be a good compromise -- 90 deg is often too little, and much over 150 deg can be hard to attain (and if the radius is small could unacceptably accelerate belt wear). Depending on the layout it might require idlers to accomplish the desired wrap. Quote Link to comment Share on other sites More sharing options...
Matty B Posted March 11, 2008 Author Share Posted March 11, 2008 A "slightly" modified EJ22? Obviously, the more power you require, the tighter the drive belt will have to be to prevent slippage, all other things being equal. Is that why the concern over bearings? Yep that was one concern, I will be breathing that air so a failure would be catastrophic. (Emergency air then accent from depth) Quote Link to comment Share on other sites More sharing options...
woundedbrat Posted March 11, 2008 Share Posted March 11, 2008 salvage operations ? Quote Link to comment Share on other sites More sharing options...
Matty B Posted March 11, 2008 Author Share Posted March 11, 2008 diving a few rivers looking for gold with a 4" suction hose. lots of gold. Quote Link to comment Share on other sites More sharing options...
screwbaru2 Posted March 11, 2008 Share Posted March 11, 2008 Hey mate, I'm an old diver myself I'd love to see pics of the rig when your done. Quote Link to comment Share on other sites More sharing options...
OB99W Posted March 11, 2008 Share Posted March 11, 2008 diving a few rivers looking for gold with a 4" suction hose.lots of gold. I can't imagine why you'd bother for "only" $1,000US/ounce. Quote Link to comment Share on other sites More sharing options...
Matty B Posted March 11, 2008 Author Share Posted March 11, 2008 Ssssshhh the tax department can hear us! I have not dived commercially for a decade but have been lured back to this as a long term 'dream' by the gold price index. I have a couple of equally idiotic mates to help, some prime areas to explore and financial hunger aplenty! Going for the big nuggets ...flakes will work too but I really want some colour. I will be pleased to update you, without any location details of course! Quote Link to comment Share on other sites More sharing options...
nipper Posted March 11, 2008 Share Posted March 11, 2008 Are you still using the AC and PS pump? Everything can handle it, but you may need some way to kick up the idle speed. The worst thing that will happen at idle (which is where you will be testing it to start) is some way to kick up the idle speed. The ECU may pick it up on its own, I dont know. YOu will need to get as much contact as possible on the drive pulley and the slave pully as possible. Will you be running these at the same time? nipper Quote Link to comment Share on other sites More sharing options...
Matty B Posted March 11, 2008 Author Share Posted March 11, 2008 Are you still using the AC and PS pump? Everything can handle it, but you may need some way to kick up the idle speed. The worst thing that will happen at idle (which is where you will be testing it to start) is some way to kick up the idle speed. The ECU may pick it up on its own, I dont know. YOu will need to get as much contact as possible on the drive pulley and the slave pully as possible. Will you be running these at the same time? nipper No for the existing pumps...it is in the Jet boat this will be mounted. Both will be running together @ about 3600 rpm. Quote Link to comment Share on other sites More sharing options...
nipper Posted March 11, 2008 Share Posted March 11, 2008 No for the existing pumps...it is in the Jet boat this will be mounted. Both will be running together @ about 3600 rpm. This will make things easier. Another possability is running the larger of the two direclty off the front of the main pully. Are you cooling this engine directly off the surrounding water, or through an heat exchanger (i dont know alot about boats). nipper Quote Link to comment Share on other sites More sharing options...
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