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ys 63 vs saito 72

Old 08-13-2004, 11:38 AM
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Default ys 63 vs saito 72

About to order EF Edge and engine. I want big 4 stroke power, I have never had a ys but love my saito 91.

What engine do I use ys or saito?
where is the best place ($$?) to by either engine?

thanks Scott B
Old 08-13-2004, 12:07 PM
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Default RE: ys 63 vs saito 72

Hey, if you like that Saito .91, why not just use it? If you want big 4 stroke power, that's it!!!!
Old 08-13-2004, 12:33 PM
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Default RE: ys 63 vs saito 72

Gordo, I am saving it for a sledge - i think you know the setup. Just have to get my burito built then it is on to a sledge. I think the sledge is slightly bigger wing area?? that would be good for that big of engine! After the sledge I am thinking 65" Yak for my 120 fs. I crashed alot of planes last year and am now switching all over to profiles.
Old 08-13-2004, 02:18 PM
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Default RE: ys 63 vs saito 72

ORIGINAL: buildflycrashbuildflycrash

Gordo, I am saving it for a sledge - i think you know the setup. Just have to get my burito built then it is on to a sledge. I think the sledge is slightly bigger wing area?? that would be good for that big of engine! After the sledge I am thinking 65" Yak for my 120 fs. I crashed alot of planes last year and am now switching all over to profiles.
Dude, I like you!!!
Old 08-13-2004, 03:04 PM
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Default RE: ys 63 vs saito 72

both are awesome, I fly saito 72, bob does ys 63s. I would say the saito as you are familiar with it... but if buying a ys, get the 63s!
Old 08-14-2004, 06:38 AM
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Default RE: ys 63 vs saito 72

With the oncoming of the ys63S the user friendly gap is narrowing. My 63s has been redesigned to be profile and 3d friendly. It ran great right out of the box and has continued to for over 100 flights now. If you go the saito route that is a great engine as well. I would get the 72 and not the 82. For some reason that has not been realized yet there are lots of accounts of excess vibration associated with the 82 and the EF. The 72 has more than enough power. The reasons to go with a the YS 63s or the saito 72 are not as clean cut as they use to be. Maybe it comes down to sound now. Do you want your plane to sound tight and clean or do you want it to sound like a Harley.
Old 08-14-2004, 07:04 AM
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Default RE: ys 63 vs saito 72

LIKE A HARLEY!!! golden knights are the stuff! That's all I run now, no regular saitos, just the g.k.'s. bob's right, though; I sold the 2 ys's I had because when they ran, they ran beautiful; but sometimes they were funky for no apparent reason. HOWEVER, the 63s doesn't do that! bob's runs flawless, turns the same prop as the saito, doesn't overheat, has excellent compression; I would say it's as good as my 72 g.k........of course, I won't say it's better! but basically they are the 2 to get. never had an 82, so can't input on that. gasket sets are cheaper on the saito. you will have to replace o-rings on both every year or two, mine uses up the oring going into the head every so often, the kit is 4 bucks, and has 2 orings in it, one for each end of the intake manifold. I replace the 1, and save the other for next year. ys kit is about 3 times as much, but still a minor expense.

again, bob's 63s has run flawless for the last 3 months. I think he has changed the plug once. and my saito's don't miss a beat.

63s is similar to saito in that it's a nikasil plated cylinder w/ ring. better heat transfer that way. saito uses true chrome, which is harder but nikasil is plenty hard enough; just don't run it lean on break in (of course, that will damage any lining, including ceramic- I toasted a norvel 40 like that last month) so it's just a matter of what you like. you can't go wrong!

so it is a ford vs. chevy kind of thing (I drive chevy's and fly saito)
Old 08-16-2004, 08:57 AM
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Default RE: ys 63 vs saito 72

all right, I'm going "Harley". the GK sure looks good but is there any performance advantage I don't think so?
Old 08-16-2004, 12:53 PM
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Default RE: ys 63 vs saito 72

The black coating runs cooler, which helps here in fla. g.k. 72 comes with the velocity stack, where standard 72 didn't used to. it might now. but spend the extra 20 bucks; you'll be glad you did! I run a master airscrew 13-6 scimitar nylon, which is the best I've used, great thrust. would break it in on a 13-6 apc, though, till you get the ring seated, a gallon or so. will make better compression sooner that way. will hover a 6 lb. plane, and hovers my 4 lb. stuff effortlessly!

come over to lakeland and fly with us when you get a chance!
Old 08-16-2004, 01:04 PM
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Default RE: ys 63 vs saito 72

How many days til the Lakeland ProBro? I'm restless.
Old 08-16-2004, 04:05 PM
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Default RE: ys 63 vs saito 72

138 days and counting! looking forward to nashville in the meantime! and if you are going on vacation earlier, bring a plane and come fly!!
Old 08-16-2004, 11:54 PM
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Default RE: ys 63 vs saito 72

YS .63 is my first 4 stroke and it's awesome sounding and performing. Perfect power for my 4.5 lb 4D .
Although in the beginning, it would tend to quit. [] I think the 14 X 4 was a hair too much for it. I am using a 13 X 5 now and it seems pretty reliable. I have crashed it dozens of times with no engine damage. Nice the way the carb is protected. I have found it a little tricky to adjust the needles. The low speed acts like an air bleed. I guess I just have to get used to it.
Old 08-17-2004, 06:49 AM
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Default RE: ys 63 vs saito 72

You definatly have to get use to it. The 14 x 4 is not too much prop. I do not think it is the right prop, but not too much. I run a MAS 13 x 6 scimitar on mine. which is more load than the 14 x 4. If you want to use a large load prop you may need to up the nitro content to 30 percent. When I switched to the 63S I was able to use the same 13 x 6 with 20% nitro. You may have not been broke in yet. The ys has three settings that do not work like other four strokes. Take a look at this site it will help in tunning. Remember .........set it and forget it..............

http://www.probuild-uk.co.uk/factsheets/ys_engines.php
Old 08-17-2004, 09:42 AM
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Default RE: ys 63 vs saito 72

I started this exact thread about 6 months ago and I got some very good tips on tuning the 63...not sure its possible to find the thread but the suggestions where the best I've seen...
Old 08-17-2004, 11:18 AM
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Default RE: ys 63 vs saito 72

[link=http://www.rcuniverse.com/forum/m_1662748/mpage_1/key_/tm.htm]Here[/link] is your thread
Old 08-17-2004, 11:24 AM
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Default RE: ys 63 vs saito 72

Great THANKS! [8D]

Look at the 3rd page when ChuckAuger goes into the settings...I think thats some juicy tidbits there. I've yet to crank mine up but should be doing that this weekend hopefully.
Old 08-17-2004, 06:31 PM
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Default RE: ys 63 vs saito 72

That's perfect I printed that whole thing and will keep it in my flight box! Can't wait to try it. I didn't even know it was fuel injected![:-]
Too bad the engine didn't come with that information.
Thanks

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