bobh
having dreams about rocks
Member since September 2009
Posts: 55
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Post by bobh on Feb 3, 2010 16:35:01 GMT -5
I'm baffled by something that probably has a simple answer.
I bought my first saw, an old Highland Park E4. This is by all accounts a ten inch saw. However, there presently is a nine inch blade in the saw, and it appears that this is as big as it can take. It pretty much takes up the blade slit in the top. The base is marked Highland Park Model E4, and the top matches and is identical to photos of E4s on the web.
I suppose I could go out and buy a ten inch blade and see what happens, but I thought I would run this by group in case I am missing something.
Many thanks.
Bob
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Post by texaswoodie on Feb 3, 2010 17:29:16 GMT -5
Hmmm, another inch of blade will give you a half inch at top and bottom. Measure to see if you have enough room. The 9 inch blade is a puzzler.
Curt
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bobh
having dreams about rocks
Member since September 2009
Posts: 55
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Post by bobh on Feb 3, 2010 18:06:50 GMT -5
The slit itself if not ten inches. I guess I am hoping that you don't need a ten inch slit for a ten inch blade because the blade (perhaps) does not emerge from the slit at its maximum diameter.
This weekend, I'll take the top off and do some additional inspection and measurements.
Bob
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Post by Woodyrock on Feb 3, 2010 18:23:06 GMT -5
Bob:
Your Highland Park E-4 is for an 8" or 9" saw blade, so the nine inch blade on it is correct. It sold for $55.10 in 1965 with blade. with blade, motor, switch, pulley, and belt, it was $105.60. Did you pay more than 'new' price? Woody BTW, you have a good wee saw. With the 5/8" shaft, you will be able to use very inexpensive skilsaw blades.
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bobh
having dreams about rocks
Member since September 2009
Posts: 55
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Post by bobh on Feb 3, 2010 18:48:25 GMT -5
Thanks .Curt and Woody.
Woody, you have obviously cleared this up, although I am surprised that everything I see on the web (including two being sold on ebay) describes the HP E4 as a ten inch saw. OTOH, wasn't aware of the skilsaw blade option so that is nice.
Thanks again.
Bob
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Post by johnjsgems on Feb 5, 2010 9:14:47 GMT -5
Highland Park did make the 9" saw. Blades are a little rare but available. In fact, Barranca brought several notched rim blades, .040", unpainted, slightly rusted to Tucson and has them listed for $15 ea. PM me if you want any. I think they have 3 or 4. Their current blades are .060" thick, 303C continuous rim blades.
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bobh
having dreams about rocks
Member since September 2009
Posts: 55
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Post by bobh on Feb 5, 2010 12:39:09 GMT -5
Thanks, John. PM sent. Bob
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Post by rockmanken on Feb 5, 2010 13:39:27 GMT -5
I have an older HP E-10 and it uses a 9" blade also. Hard to find one. I use 8" on mine as 10" won't work. Ken
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von1062
off to a rocking start
Member since June 2014
Posts: 1
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Post by von1062 on Jun 25, 2014 17:19:38 GMT -5
We Just got the HP-E-4 I have no motor and need to find out what size motor and the Rpm I need.
The wheel on the saw is a three inch .
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Mattatya
spending too much on rocks
Member since June 2012
Posts: 452
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Post by Mattatya on Jun 25, 2014 18:26:23 GMT -5
I had the same issue. I bought a used but never used HP E-10 combo saw, arbor, bullwheel. It still had the original 9in Conga blade new in box. I set it all up and installed the Conga 9on blade. I had never cut slabs/rock before and after hearing old blades are better then new manufactured blades I got scared. So I went and bought an 9in MK 303? or 301? (forgot) from BD manufacture. I went to install it and the new MK blade is bigger in diameter then the 9in conga blade by a feaction. It would not fit without me having to cut a slit down the oil reserve and bottom of reserve. I have an older thread about this I will find and link to thread. I'm on my mobile phone. After I use up eye original Conga 9in I'm going to have to go down to a 8in newer manufactured blade. It's really bizarre. P.S. I have a 9in brand new MK blade for sales or trade Matt Sent from my SPH-D710 using proboards
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Mattatya
spending too much on rocks
Member since June 2012
Posts: 452
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Post by Mattatya on Jun 25, 2014 18:36:16 GMT -5
Here is the link with the different measurements between Conga 9in and BD 9in. Correction on my last post. I bought a BD 303. Not sure the difference between BD & MK forum.rocktumblinghobby.com/index.cgi?action=gotopost&post=610546WTB 9in or 8in used blade for practice cuts From original posting I was able to measure both the blades this evening and found they are both not exactly 9 inches. The Conga (unused) is 8in and 15/16th The MK-303 (unused) is 9in and 1/16 This was not scientific by all means, but enough of a difference that I will cut into the basin to fit future MK/BD 9in blades as long as they continue manufacturing a 9in blade Sent from my SPH-D710 using proboards
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Deleted
Deleted Member
Member since January 1970
Posts: 0
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Post by Deleted on Jun 25, 2014 19:21:51 GMT -5
1/3 to 1/2 HP motor, 1725 RPM, CW(Clockwise) rotation, same size pulley on motor and saw.
Good luck.
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unclesoska
freely admits to licking rocks
All those jade boulders tossed in search of gold!
Member since February 2011
Posts: 934
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Post by unclesoska on Jun 25, 2014 20:19:46 GMT -5
I too have an old Highland Park E4 saw that is a 9" saw. Purchased off Ebay a few years back, also included the Congo Blade. Barranca Diamond is the last ones to manufacture a 9" Blade, the 303 Professional Continuous Rim blade. They are made in china. MK Direct is the distributor for Barranca.
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unclesoska
freely admits to licking rocks
All those jade boulders tossed in search of gold!
Member since February 2011
Posts: 934
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Post by unclesoska on Jun 25, 2014 20:22:26 GMT -5
Mattatya- PM sent.
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Post by johnjsgems on Jun 26, 2014 8:02:49 GMT -5
The MK and BD blades are the same and made in South Korea. With the 303 you can run a little faster than 1725 but 3" on a 1/3 hp motor would be good for the Congo. If you can find an adjustable pulley for the motor a little bigger (like 4") you can dial it in to the BD speed specs. Most people run 8" blades on those old 9" saws.
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Post by Rockoonz on Jun 26, 2014 23:58:19 GMT -5
I had one of those too, it's the saw that convinced me to stop cutting slabs with a trim saw, with the weight feed the vice loved to climb up the blade and bind up. With a 8 inch blade and a good coolant additive in water it makes a fine trim saw. The 9 inch blade comes so close to the bottom of the sump that it is not possible to have enough coolant in it and it gets hot in a hurry.
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Mattatya
spending too much on rocks
Member since June 2012
Posts: 452
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Post by Mattatya on Jun 27, 2014 18:48:45 GMT -5
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