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12-21-2010, 08:09 AM #1
Who built the first cleaver prop?
All of this talk on the "Hot Multi's" thread took my mind to the 3 successive prop sources of my youth.....
Michigan, Culver, and Record/Radice.
The question that popped into my mind was the origin of the cleaver. I believe the first example I ever saw was in a boat show, but I also remember the rusty 2 blade cleavers on all of the inboard hydros back then. Does that mean that the Unlimited hydro guys came up with the concept? They seemed to lead the development for all of the other inboard classes. I know that there was a lot of "Kam (Cam) back" development going on in racing design in the late 50's and 60's. Was this also the genesis for the cleaver concept.
This is probably where Sam Cullis will take over the conversation.
T2xLast edited by T2x; 12-21-2010 at 10:57 AM.
20 Foot Switzer Wing 2 X S3000 (Dust'n the Wind II)
!6 foot Wood Eltro Vee (2X Merc 1500's) (Dust'n the Wind IV)
15 foot Powercat 15C (2 X Merc 1500) (Dust'n the Wind III)
(Single engine boats are lacking something)
15’ Wooden Switzer Shooting Star...
16 foot Lee Craft Merc S 3000-(Gold Dust II)
(The exception proves the rule)
Obsolete and Proud of it
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12-22-2010, 03:27 AM #26000 RPM
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Rolla used to race Alfa engined 3 pointer inboards-----so being biased --------i bet he had something to do with cleavers.
My first american prop was a "CARY", never followed it up, so i don't think i thought much of it.
Will ask son number one if he knows about the cleaver.
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12-22-2010, 06:58 AM #3
t2x you should ask how did the name cleaver come about and when
http://en.wikipedia.org/wiki/Propeller
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Replacement Fiberglass Windshields For just about every hydrostream
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12-22-2010, 07:08 AM #4
https://www.facebook.com/scott.steffe
Replacement Fiberglass Windshields For just about every hydrostream
Fiberglass Seat Shells 18 wide high backs, 18 wide barrel backs and 23 wide big boy barrel backs
call 941-575-8914 with any questions
7 to 3pm 5 days a week
Custom Fiberglass and Paint
In Business since 1984
for sale
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12-22-2010, 08:26 AM #5
Nothing there regarding who created the first cleaver. I always felt that the term "cleaver" came from the concept of a meat cleaver which has a thick abrupt trailing edge and a sharp narrow blade. Another meaning might be that the round trailing edge has been "cleavered" or cut off the blades.
20 Foot Switzer Wing 2 X S3000 (Dust'n the Wind II)
!6 foot Wood Eltro Vee (2X Merc 1500's) (Dust'n the Wind IV)
15 foot Powercat 15C (2 X Merc 1500) (Dust'n the Wind III)
(Single engine boats are lacking something)
15’ Wooden Switzer Shooting Star...
16 foot Lee Craft Merc S 3000-(Gold Dust II)
(The exception proves the rule)
Obsolete and Proud of it
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12-22-2010, 08:33 AM #6
yea theres nothing on it other then you can see in the 1800,s they had a meat cleaver shape already going
must just be a nick name that stuck same as the nick name screw i guess
there is no answer to this mystery
https://www.facebook.com/scott.steffe
Replacement Fiberglass Windshields For just about every hydrostream
Fiberglass Seat Shells 18 wide high backs, 18 wide barrel backs and 23 wide big boy barrel backs
call 941-575-8914 with any questions
7 to 3pm 5 days a week
Custom Fiberglass and Paint
In Business since 1984
for sale
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12-22-2010, 12:11 PM #7
Cleaver.....
Sure there is, bet you'll remember......
It was late 50's/early 60's, the guys first name was Ward. He had a couple of sons follow his profession, Wally and his younger brother Theodore. Seems like Theodore became the most remembered of the family. He had some kind of catchy nickname, may have started with a "B", but it escapes me at the moment. Leave it to me to forget the doggone nickname.
Presenting the Cleaver's.....Last edited by willabee; 12-22-2010 at 12:14 PM.
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12-22-2010, 06:04 PM #8
NOAH
why ask me ?
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12-22-2010, 07:29 PM #9Screaming And Flying!
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HeeHee Sam the Cleaver Beaver......
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12-22-2010, 07:59 PM #10
https://www.facebook.com/scott.steffe
Replacement Fiberglass Windshields For just about every hydrostream
Fiberglass Seat Shells 18 wide high backs, 18 wide barrel backs and 23 wide big boy barrel backs
call 941-575-8914 with any questions
7 to 3pm 5 days a week
Custom Fiberglass and Paint
In Business since 1984
for sale
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12-23-2010, 08:20 AM #11The Historic Photo Master
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12-23-2010, 08:36 AM #12
Willabee: When did Mercury add cleavers to the prop truck? George Linder tells a story of buying a set from Record and putting them on his Eltro with twin SSM's at Havasu. He claims that Uncle Carl asked to borrow them and he got them back a couple of months later. At this point I think that Record may be the original source of cleavers since most of the Inboard wheels that I saw back then were also from Record. My guess is that the cleaver hit the race scene about 1960....but I could be completely wrong.....
T2x20 Foot Switzer Wing 2 X S3000 (Dust'n the Wind II)
!6 foot Wood Eltro Vee (2X Merc 1500's) (Dust'n the Wind IV)
15 foot Powercat 15C (2 X Merc 1500) (Dust'n the Wind III)
(Single engine boats are lacking something)
15’ Wooden Switzer Shooting Star...
16 foot Lee Craft Merc S 3000-(Gold Dust II)
(The exception proves the rule)
Obsolete and Proud of it
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12-23-2010, 09:07 AM #13
I don't think I've seen the solid square backed cleaver shape on a shear pin smooth bore finished Merc prop. The "cleaver" type smooth bore Merc props for sale to "customer" racers appear to be finished from regular round ear castings. I think customers could buy traditional square back pointy, made from a cleaver dedicated casting Merc cleavers as soon as the SSM was available.
Prior to that, Record, Radice and Litton were making cleavers from their own castings.
I think it is pretty clear that Unlimiteds were using them in the middle 1950's. Jones helped Entrop make cleavers from round ears for the 1958 speed record. Merc immediately had props based on the speed record prop for sale. These had a cupped trailing edge rather than the pointy & square trailing edge.
It sort of depends on what the definition of cleaver isLast edited by Mark75H; 12-23-2010 at 09:11 AM.
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12-23-2010, 09:37 PM #14
The first Speedmaster cleavers I saw were from Chuck Mersereau and Dave Craig..Chucks were 2 blade Carys, 17", and the straight edge slanted forward instead of to the rear..They were steel, not stainless, and rusted up pretty bad if you didn't take care of them..I ran them on his old stack cat in Blue Ridge, Ga in 1963. No one else used them except Dave..Being an old 266 hydro driver, he knew boat racing. Everyone else used the 2 blade mercury props, usually 16"..The Carys were great in the straights, but with the stackers, turns would bog you down and the non stackers could get by. I had the HP and speed, but ended up third. Boat would run a little over 80. Motors were merc 800's from the Lake.
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12-23-2010, 09:49 PM #15
the drag racers loved them in 66-67..