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Originally Posted by UrbanDisturbance38
(Post 4657499)
I converted my 1994 38 foot Cigarette Top Gun with ASD7M drives, which is over 13000lbs with gas. If your boat weighs as much as mine, don't waste your money on 4 blades. I have Hering 5 blade, 18 Diameter, 18 Rake, 28 Pitch Props.with twin 610hp supercharged engines. They work pretty good. I am under pitched a little bit. I would love to try some 6 blades, but there are none to be found. You will most likely have to do what I did, which is purchase props and hope you get it right.
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Originally Posted by hogie roll
(Post 4658332)
Wasn’t your boat listed? |
Urban Disturbance and Green Lightening,
Any regrets converting to Arneson? Seems, from what Ive read, dialing in props is the biggest challenge, as there is no real efficient test program out there. Is the installation process a basic unbolt old transoms and bolt on Arnesons? |
Originally Posted by Got Cigs
(Post 4658826)
Urban Disturbance and Green Lightening,
Any regrets converting to Arneson? Seems, from what Ive read, dialing in props is the biggest challenge, as there is no real efficient test program out there. Is the installation process a basic unbolt old transoms and bolt on Arnesons? I have the Arneson ASD7M drives, and it was not a simple bolt on project. We had to pull and move the engines down and forward. which caused the Arneson bell housing to hit the stringers. So we had to do a little modifications to the stringers and engine mounts. Lucky for me, I did not have to replace my oil pans because I do not have huge ones. You have to cut larger holes in the transom so the transmission will fit and have access to the transmission fluid dip stick. 3 or 4 hydraulic hoses have to be ran to the helm because the steering control module is located behind the steering wheel. The entire steering hydraulic system has to be re-plumbed with hoses, fittings, cooler, reservoir and filter so if one engine dies, you can steer with one engine running. You need sea strainers, water pickups, water pressure pop up valves, ball valves, hoses and fittings for the cooling system. You will need a transmission cooler. I used one dual cooler for my transmission and steering for each engine. I do not have any regrets with the setup. If I was to purchase another boat and I had the option of Arneson vs. Bravo drives, I would pick the Arneson drives. They are bullet proof unless you hit something. Dialing in the props is a challenge. |
Originally Posted by Got Cigs
(Post 4658826)
Urban Disturbance and Green Lightening,
Any regrets converting to Arneson? Seems, from what Ive read, dialing in props is the biggest challenge, as there is no real efficient test program out there. Is the installation process a basic unbolt old transoms and bolt on Arnesons? |
https://cimg0.ibsrv.net/gimg/www.off...153462bd41.jpg
With the jig set up you drill the transom for the studs on the extension boxes and cut out the center of the jig for the transmission . |
https://cimg4.ibsrv.net/gimg/www.off...358daf97ee.jpg
Test fit the boxes and you are almost there |
Thank you both for the real world information. What kind of speed gains did you guys see with the swap?
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I did gain over 10mph but to be honest , every time I went out and was testing I would break the gears in my bravo1's that got expensive so I stopped , did the conversion and never looked back.
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Wow! What kind of power do you have and is your boat a straight hull or stepped?
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