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#1
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I'm in the process of building an e-boat and am looking for a ~19 inch
variable pitch prop along with probably the shaft and any controls that may be associated with it. A friend of mine told me that Volvo makes one, but none of their dealers seem to know anything about it. I have been told by others that older fishing boats used to use these, but were unable to supply a manufacturer name. If anyone knows of a source, it would be greatly appreciated. |
#2
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![]() "Bill Farina" wrote in message ... I'm in the process of building an e-boat and am looking for a ~19 inch variable pitch prop along with probably the shaft and any controls that may be associated with it. A friend of mine told me that Volvo makes one, but none of their dealers seem to know anything about it. I have been told by others that older fishing boats used to use these, but were unable to supply a manufacturer name. If anyone knows of a source, it would be greatly appreciated. Luke, Maxprop, Autoprop, Martec make feathering props with adjustable pitches. They give you a recommended pitch, you make any necessary adjustments. Pricey, very pricey in the case of the Luke, which are one-offs. http://www.peluke.com/Propellers/propellers.html http://tinylink.com/?pbh5yrcpXO Was that what you were referring to? John Cairns |
#3
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You should consider a Brunton Weill AUTOPROP. I Have had 2 on different
vessels a Fisher 25 and a Fisher 30. You do not need any controls.They automatically assume the correct pitch. A super product. "Bill Farina" wrote in message ... I'm in the process of building an e-boat and am looking for a ~19 inch variable pitch prop along with probably the shaft and any controls that may be associated with it. A friend of mine told me that Volvo makes one, but none of their dealers seem to know anything about it. I have been told by others that older fishing boats used to use these, but were unable to supply a manufacturer name. If anyone knows of a source, it would be greatly appreciated. |
#4
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Bill, Another description for the Brunton Autoprop is an auto-reversing
prop.Apart from the prop assuming the correct pitch when under way..when put into reverse the leading edge of the prop blades swivel and become the leading edge in reverse,a very real brake.hopr this helps "Bill Farina" wrote in message ... I'm in the process of building an e-boat and am looking for a ~19 inch variable pitch prop along with probably the shaft and any controls that may be associated with it. A friend of mine told me that Volvo makes one, but none of their dealers seem to know anything about it. I have been told by others that older fishing boats used to use these, but were unable to supply a manufacturer name. If anyone knows of a source, it would be greatly appreciated. |
#5
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Bill is talking about a variable pitch prop not an
adjustable pitch prop. Here is what you want Bill. Helseth in Norway. http://www.helseth.no/eng_products_3h.htm VETUS makes them. Click Sales Program, then Props http://www.vetus.com/ "Bill Farina" wrote I'm in the process of building an e-boat and am looking for a ~19 inch variable pitch prop along with probably the shaft and any controls that may be associated with it. |
#6
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The idea behind a variable pitch prop is
you keep the engine at a fixed rpm and adjust the pitch to control your speed. For reverse, you reverse the pitch so docking is much easier. You would only use your reverse in your transmission to chose the "prop-walk" direction, for docking. "STABU" wrote You should consider a Brunton Weill AUTOPROP. I Have had 2 on different vessels a Fisher 25 and a Fisher 30. You do not need any controls.They automatically assume the correct pitch. |
#7
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![]() "Captain Joe Redcloud" wrote in message That is an adjustable pitch prop. Adjustable and variable mean the same thing in this context. The blades on a variable pitch prop do not change position. They are fixed in place permanently. Variable pitch props are props where the blades have a different pitch near the axis than they have at the tips. In other words, the pitch "varies" from hub to the outer end. JAX???? !!!!! ..... Bwahahahahahahahahahaaa! CM |
#8
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http://www.centennialofflight.gov/es...ops/Tech14.htm
"Captain Joe Redcloud" wrote On Sat, 29 Oct 2005 12:22:44 -0400, "Bart Senior" .@. wrote: Bill is talking about a variable pitch prop not an adjustable pitch prop. Here is what you want Bill. Helseth in Norway. http://www.helseth.no/eng_products_3h.htm That is an adjustable pitch prop. Adjustable and variable mean the same thing in this context. The blades on a variable pitch prop do not change position. They are fixed in place permanently. Variable pitch props are props where the blades have a different pitch near the axis than they have at the tips. In other words, the pitch "varies" from hub to the outer end. Captain Joe Redcloud Mohnton PA |
#9
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![]() "Captain Joe Redcloud" wrote in message Incorrect term usage. Bwahahahahahahaha....... Heh PJ... You want the phone number for Lunenburg Foundry?? Ask them if they can cast you a custom variable pitch prop!!! It's a bit slow down there right now and the boys could use a good laugh! :-) While you're at it... inquire about their variable speed motorized router bits! Bwahahahahahahahahaaa!! Hooo Boy! CM |
#10
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![]() "Captain Joe Redcloud" wrote in message Like you and Connie, they probably don't understand "sail twist" either, Guy. OMGWD... you mean to tell me the guys who cast custom props and vessel components at Lunenburg Foundry... home of the Bluenose and a World Heritage Site... famous for sailing... whose ancestors crewed the Grand Banks Schooners.... don't understand sail twist !! You'd just best drop them a line PJ.... you just go ahead and give them a call Eh! Tell'em they don't know what they're doin'... then clue them in on variable pitch props. Bwahahahahahahahahahaaa!! CM |
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