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lrm(at)skyhawg.com
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 Posted: Wed Nov 07, 2007 7:06 am Post subject: Hog Engine |
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I finally found the problem with my Hog engine. It is supposed to be a 108 hp at 4500 rpm. I have never been able to get over 300 lbs of thrust with a prop set up for a 100+ hp engine. Static rpm should be around 38 to 4200 rpm, the most I could get was 3000 with a prop set up for the 100+. That is after four different props. The only time I reached 42 and about 400 lbs was using the warp drive with the pitch set around 7 degrees. A 100+ hp should handle 11 degrees plus.
It now appears that the people who put the big bore kit on the engine, made a mistake and didn't do it and I have a 80 hp engine. On a Harley the only way to tell for sure is to pop a head and measure the cylinder.
Since it's taken me two years to find this out, it is very doubtful they will admit the mistake or do anything about it. And, you know how lawsuits go, takes forever and cost a lot of money. Then you probably won't win. I therefore have decided to sell the 80 hp with everything except the cowling and prop (prop is for 100 anyway). That includes the engine, re-drive, 701 engine mount, pipes, ignition, carb, charging system (which is 45 amp)and oil tank. The price will be right. The engine runs really well.
Yes, I know a 701 will fly with 80 hp, but that's not what I want. Just call or e-mail me, that info is on my site.
Larry, www.SkyHawg.com, N1345L [quote][b]
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jerry(at)jerryhey.com
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| Posted: Wed Nov 07, 2007 8:24 am Post subject: Hog Engine |
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Larry, Is the big bore kit still an option? Did you get the vibration problem resolved? Jerry
On Nov 7, 2007, at 10:01 AM, LRM wrote:
[quote]I finally found the problem with my Hog engine. It is supposed to be a 108 hp at 4500 rpm. I have never been able to get over 300 lbs of thrust with a prop set up for a 100+ hp engine. Static rpm should be around 38 to 4200 rpm, the most I could get was 3000 with a prop set up for the 100+. That is after four different props. The only time I reached 42 and about 400 lbs was using the warp drive with the pitch set around 7 degrees. A 100+ hp should handle 11 degrees plus.
It now appears that the people who put the big bore kit on the engine, made a mistake and didn't do it and I have a 80 hp engine. On a Harley the only way to tell for sure is to pop a head and measure the cylinder.
Since it's taken me two years to find this out, it is very doubtful they will admit the mistake or do anything about it. And, you know how lawsuits go, takes forever and cost a lot of money. Then you probably won't win. I therefore have decided to sell the 80 hp with everything except the cowling and prop (prop is for 100 anyway). That includes the engine, re-drive, 701 engine mount, pipes, ignition, carb, charging system (which is 45 amp)and oil tank. The price will be right. The engine runs really well.
Yes, I know a 701 will fly with 80 hp, but that's not what I want. Just call or e-mail me, that info is on my site.
Larry, www.SkyHawg.com, N1345L | Quote: | http://www.matronics.com/contribution
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[b]
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lrm(at)skyhawg.com
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| Posted: Wed Nov 07, 2007 8:49 am Post subject: Hog Engine |
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Yes it is. I just want to go another direction. Culver prop fixed the vibration. Larry
[quote] ---
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