Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

OS MAX FSR 1.08

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Old 08-19-2006, 12:52 PM
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SVO1986
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Default OS MAX FSR 1.08

What manufacture makes a tuned pipe for this motor???
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Old 08-19-2006, 05:12 PM
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Default RE: OS MAX FSR 1.08

Mac's have a 15cc pipe for engines .90 to 1.20, the quiet pipe is #1090 and the unmuffled is #1190
theres a header available to, OS part #29026119
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Old 08-20-2006, 08:06 AM
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Default RE: OS MAX FSR 1.08

Thanks for the quick response. I am planning on putting this motor in my new F16 Cermark.
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Old 08-20-2006, 09:00 AM
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Default RE: OS MAX FSR 1.08

its alot of engine(weight and size) for not a lot of extra rpm...what prop do you intend to run on it?
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Old 08-20-2006, 10:24 AM
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Default RE: OS MAX FSR 1.08

I wonder if that OS motor will be too heavy. I put a Jett90 in mine and had to put a big battery and all the radio stuff in the tail cone to get it to balance right. You might have to add a lot of lead and affect your wing loading.
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Old 08-20-2006, 04:19 PM
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Default RE: OS MAX FSR 1.08

Your going to do better with a 90 size and a pipe over that 1.08. I'm not knocking the OS 1.08, I have two of them and theyare/were the most reliable engines on the market but your in for a big disappointment. They are not a rpms/speed engine and too heavy for that plane.

Some may disagree but you'll find out.
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Old 08-20-2006, 06:20 PM
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Default RE: OS MAX FSR 1.08

ORIGINAL: Cyclic Hardover

Your going to do better with a 90 size and a pipe over that 1.08. I'm not knocking the OS 1.08, I have two of them and theyare/were the most reliable engines on the market but your in for a big disappointment. They are not a rpms/speed engine and too heavy for that plane.

Some may disagree but you'll find out.
You are very correct. An ASP1.08 or other 1.08's that are bored out .91's are another choice, cheap choice. Whatever the OS 1.08 is a poor coice because of it's weight and rpm range.
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Old 08-21-2006, 09:19 AM
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Default RE: OS MAX FSR 1.08

The 1.08 will work fine in the F-16....I had one in mine. I got this plane
from a friend, he gave it to me. He had an new OS .91FX in it with a
Macs pipe. It was such a dog he pulled the engine out and sold it, then
pulled the radio out and gave it to me in a trade.

Most of the .91's are just bored 60's....and they use 12'' props. The 1.08
is a big block brute that puts out enormous power. My F-16 went
much faster with the big block engine....it's just like the difference between
a 350 and a 454 Chevy.....take yer' pick.

If you already have the 1.08 go ahead an use it....don't spend the money on
a wimpy .91. The stock muffler on the 1.08 is big and heavy, if you want to
a pipe on the 1.08, it will shift that weight rearward which will help alot, and
give a lot more power. If you look at my old plane, the thing that looks funny
is that big ugly muffler sticking down. The big block motor itself is awsome.

I can guarantee you one thing, and that's a 100% guarantee....

....your piped 1.08 FSR will out perform any of the small block 91's

The F-16 is real draggy because of the fake airscoop, that's why it needs more
power than normal.

FBD.
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Old 08-21-2006, 10:18 AM
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Default RE: OS MAX FSR 1.08


ORIGINAL: bmolnar

Thanks for the quick response. I am planning on putting this motor in my new F16 Cermark.
There was a thread not long ago about someone installing the 108 in an F-16 - he did not at all like the results, even with the heavy-pitched prop. Do a search for it..... The plane flew, but the engine just does not unload all that well in the air.

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Old 08-21-2006, 10:26 AM
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Default RE: OS MAX FSR 1.08

Well, mine was much better than with the 90. The plane is too draggy to
unload with anything in it, it will not unload, and it will be limited to speed
no matter what you put in it due to the drag.

Any one who thinks the F-16 will be a fast plane is in for a big disappoinment.

FBD.
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Old 08-21-2006, 07:38 PM
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Default RE: OS MAX FSR 1.08

Now "if" if were to buy another Jett 90, and "if" I were to mount it on that Phoenix F20, the video alone would be enough to melt your face!

Bob, I think I might strip that Phoenix down and recover in that Charcoal color from the first on that Cermark that did not survive on your webpage.
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Old 08-23-2006, 06:44 PM
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Default RE: OS MAX FSR 1.08

The 1.08 is a tourqe not a RPM engine. I have a new Cermark F-16 and tried the 1.08. wasn't happy and ended up with a 91FX with ultra thrust muffler. See thread for all the details.
http://www.rcuniverse.com/forum/m_41...tm.htm#4121368
good luck,
Matty
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Old 08-24-2006, 07:38 AM
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Default RE: OS MAX FSR 1.08


ORIGINAL: MattyC-130

The 1.08 is a tourqe not a RPM engine. I have a new Cermark F-16 and tried the 1.08. wasn't happy and ended up with a 91FX with ultra thrust muffler. See thread for all the details.
http://www.rcuniverse.com/forum/m_41...tm.htm#4121368
good luck,
Matty
That's the thread I was looking for..... !!! couldnt hunt it down for some reason.......
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