ACME 540 ??? |
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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Perfect!
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cphase ![]() Gold Member ![]() ![]() Joined: May-11-2010 Location: Newnan, GA Status: Offline Points: 795 |
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Mine arrived today also. Will post picks of the leading edge/hub later this evening. |
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TRBenj ![]() Grand Poobah ![]() ![]() Joined: June-29-2005 Location: NWCT Status: Offline Points: 21207 |
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Based on those pics, Id say that the 208 is most likely a pancake prop.
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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Wow that got there fast!
Where do you get the best melons Hollywood? |
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62 wood ![]() Grand Poobah ![]() ![]() Joined: February-19-2005 Location: NW IL Status: Offline Points: 4527 |
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Pics of the 208....
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cphase ![]() Gold Member ![]() ![]() Joined: May-11-2010 Location: Newnan, GA Status: Offline Points: 795 |
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I will get a pic and post it when mine comes in! |
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62 wood ![]() Grand Poobah ![]() ![]() Joined: February-19-2005 Location: NW IL Status: Offline Points: 4527 |
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Pictures please!! or as they say.. "It didnt happen". ![]() btw.. the UPS guy just delivered my little brown Acme package!!! ![]() ![]() ![]() . |
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Hollywood ![]() Moderator Group ![]() ![]() Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13523 |
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I like melons in the evening. Mr. Super Prick, pretend the federal in my picture is an acme 208. |
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TRBenj ![]() Grand Poobah ![]() ![]() Joined: June-29-2005 Location: NWCT Status: Offline Points: 21207 |
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I only use the term pancake to differentiate between the more common Acmes that have proven all around performance on these hulls (especially top speed behavior) vs. the less common "flat" designs that Acme has made. Most other prop brands sit on the hub and not the blades when put on a flat surface- but Acme builds them a little different than Federal and OJ. I think the big difference is the amount of rake (which affects bow lift significantly) but Im not 100% certain.
Like I said before, the pancake 1868 didnt perform outrageously on my NWZ hull. That boat runs planted no matter what prop I run. It did run slower, but that was more likely due to the low pitch/high revs than anything else. Maybe a pancake would be ok on a completely stock boat, but I personally would not take the chance of running one on a boat that rides bow high. Especially if you ever plan to throw some power at it. 540 rides great into the mid 50's... the 208 is an unknown quantity. |
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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Tim, I didn't either and I sent the last stock 540 to cphase. Looks like HW sits on his blades Ouch!
I like pancakes in the morning Hollywood. |
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Hollywood ![]() Moderator Group ![]() ![]() Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13523 |
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Zachy and Timmy, I guess you could consider a Federal a pancake.
![]() I believe bri892001 and horkn are satisfied 208s users. |
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TRBenj ![]() Grand Poobah ![]() ![]() Joined: June-29-2005 Location: NWCT Status: Offline Points: 21207 |
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... as shown in my picture, right? How about a 540? I didnt compare it, but believe the 540 should sit on the blade edges, just as a 430, 1458/1598, 490, 612, 654, 422 and 668 do. |
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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The leading edge (in blue) does not touch a table if it is set with the Acme 1800 number and down (leading hub side). So I assume it's a pancake style. So when the prop is set with the leading edges of the blades down it sits on its hub.
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TRBenj ![]() Grand Poobah ![]() ![]() Joined: June-29-2005 Location: NWCT Status: Offline Points: 21207 |
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I still dont follow. Do the leading edge of the blades touch, or does the hub? Or both? Its usually one or the other, and pretty obvious (once you know what youre looking for). |
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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What I ment at the top was that the leading edge of the prop sits on it's hub.
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TRBenj ![]() Grand Poobah ![]() ![]() Joined: June-29-2005 Location: NWCT Status: Offline Points: 21207 |
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Im talking about blade leading edges, not the trailing tip. If when set down, right side up (aft end of prop facing up), on a flat surface, a "normal" Acme prop sits on the blades- the hub is nearly 1/2" off the surface. A "pancake" prop sits on the hub. The only pancake Acme Ive tried is the 1868, but I did not like the way it performed at all. While it ran normal on my '90 (which plants the hull pretty much no matter what), it robbed 5+mph from the top end of the BFN by planting the nose at a much slower speed, and much more forcefully. Very disconcerting. I would not opt for a pancake style prop on a boat that runs bow-high (like a 2nd gen SN). No experience with a 208, but the 540 is a known good prop on that hull. If its a "normal" prop with an extra blade and 1/2" more pitch, then I would guess that Acme's assessment of losing ~1mph is about right, and that it would otherwise be worlds better than an old school hand finished prop. |
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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My understanding was that the 208 was the 4 blade designed for the 240 horse 1:1 motors and that the 540 has a slight performance advantage it being the latest and greatest and bestest.
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62 wood ![]() Grand Poobah ![]() ![]() Joined: February-19-2005 Location: NW IL Status: Offline Points: 4527 |
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Joe, now I feel better!
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JoeinNY ![]() Grand Poobah ![]() ![]() Joined: October-19-2005 Location: United States Status: Offline Points: 5698 |
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540 -latest greatest - fastest bestest - everyone wants one,
208- pretty good till they came out with a 540 only a guy with too much money pays 330+ bucks to replace a 208 with a 540 but if starting from scratch... |
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62 wood ![]() Grand Poobah ![]() ![]() Joined: February-19-2005 Location: NW IL Status: Offline Points: 4527 |
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Tim, Fill me in .. you think the 208 is a mistake? .. your thoughts?
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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Ahh see what assuming does Tim! haha. It sits on the hub and the blade tips are lower than the top of the hub. It is a 4 blade 12.5 pitch .080 cup.
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62 wood ![]() Grand Poobah ![]() ![]() Joined: February-19-2005 Location: NW IL Status: Offline Points: 4527 |
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Tim, I spoke with ( I think a Jim) at Acme on Monday. He said with the 270 Crusader and the way we use the 73, I would be "splitting hairs" performance wise with either the 540 (12 pitch) or the 208 (12.5 pitch). He figured the 208's top end would be within a MPH of the 540. Since Zach only had one 540, (and the 208 was a bit cheaper ![]() Like he said.. Either would be a big improvement over what I'm running and I will have a big smile with either! ![]() |
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TRBenj ![]() Grand Poobah ![]() ![]() Joined: June-29-2005 Location: NWCT Status: Offline Points: 21207 |
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Why must it be a pancake?
The difference theyre talking about could easily be explained by the difference in blade count and pitch as well. |
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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Must be a pancake Timmy. They told him if he wasn't barefooting and just driving the boat they would suggest the 208 with but 540 if he were a footer. Hope the 208 performs for him.
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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Steve got with Acme yesterday on his selection and I made the deal sweet. Let me take a look Tim.
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TRBenj ![]() Grand Poobah ![]() ![]() Joined: June-29-2005 Location: NWCT Status: Offline Points: 21207 |
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Is the 208 a pancake prop? If you set it down on a flat surface, what does it rest on, blade tips or hub? If the blade tips, how far in the air is the hub?
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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Some of those Acme props are weird FYI. They tarnish very quickly and others stay shiny for long a long time. My buddy with the Malibu bought a bran new one and it looks like the oj before I had it re worked after one summer. My 540 still shines like a new penny so far.
I had a 208 that had been opened and looked like it had some condensation water marks on it. I sent you a still sealed new one ;) |
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JoeinNY ![]() Grand Poobah ![]() ![]() Joined: October-19-2005 Location: United States Status: Offline Points: 5698 |
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Doc, If you are a fan of the ellis props I just happen to know a guy who is sitting on some NOS, I have an engine and trans I need to get from him in the next few weeks.. I can press him for prices if you are interested. ![]() |
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62 wood ![]() Grand Poobah ![]() ![]() Joined: February-19-2005 Location: NW IL Status: Offline Points: 4527 |
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Thanks for the deals Zach!!!!
If its any where as pretty as the 1606 I bought earlier, just LOOKING at it puts a smile on my face... can not wait to try the 208 out!!!!! cooooome onnnn summmerrrrr!!!! ![]() btw, GLAD to see N3 is a site supporter!!!!! Tell "The powers to be" Thank you! |
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phatsat67 ![]() Grand Poobah ![]() Joined: March-13-2006 Location: Indiana Status: Offline Points: 6157 |
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Thanks Fellas! Post pictures of the Acme smiles on your faces when you crack the throttle in the spring!
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