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Model Forum / Radio Controlled / Air Models / December 2009GP Patriot XL!
Hi, I wonder if anyone out there is building and flying the Great-Plane Patriot XL with an OS-91FX? Does this engine require a special type of engine mount since it generates lots of vibration. Thanks In Advance! Phi > Hi, > I wonder if anyone out there is building and flying the Great-Plane Patriot [quoted text clipped - 4 lines] > > Phi Phi, Checkout RCU , http://www.rcuniverse.com/forum/Patriot_or_Patriot_XL%3F/m_2690940/tm.htm Here is a link about it and the forum that this came from also deals with speed prop planes. John I"ve had my Pat for over two years now. I put a MVVS 49 with pipe and it's a fine combination.Quiet a bit of lead in the tail. With the 91,you'll have one heavy weight and probably won't gain that much and the balsa cowling around the engine will really be carved away. If your dead set for the 91 I'd use a vibration mount but your really gonna be squeezing it in,if at all. 2 cents He's talking about the .60 - .90 size Patriot XL not the .40 size Patriot Don > I"ve had my Pat for over two years now. > I put a MVVS 49 with pipe and it's a fine combination.Quiet a bit of [quoted text clipped - 6 lines] > > 2 cents Hello Folks, Thanks for all comments! It seems that I haven't really got a straight answer so far. From talking to several guys at the field who recommended a Sullivan engine mounting that uses gromet to damp out the vibrations. Others said that would make the vibration worse since engine and mounting are not one solid piece. These are all theories and none of them really tests it. Hopefully someone will come alone with a better tested solution. Thanks again! Phi > He's talking about the .60 - .90 size Patriot XL not the .40 size Patriot > [quoted text clipped - 10 lines] > > > > 2 cents Phi Wrote: > Hi, > I wonder if anyone out there is building and flying the Great-Plan [quoted text clipped - 6 lines] > > Phi I recently built a GP Patriot XL and haven't flown it. It has a Supe Tigre .61 on it. I have done many ground tests with it. It does vibrate but not very much. To prevent the vibration, I simply made the idl higher than normal so it wouldn't rattle around. Hope this helps :D Nikolizer -- Nikolizer > I recently built a GP Patriot XL and haven't flown it. It has a Super > Tigre .61 on it. I have done many ground tests with it. It does vibrate, > but not very much. To prevent the vibration, I simply made the idle > higher than normal so it wouldn't rattle around. Hope this helps :D I assume both of you have balanced your prop _and spinner_ very well, and using a good method?  SignatureJim in NC Morgans Wrote: > I assume both of you have balanced your prop _and spinner_ very well > and > using a good method? > -- > Jim in NC Well, I don't usually worry about the nose cone. It has a 12x8 spor prop on it. a couple days ago, I took it out for another ground chec and then the throttle barrel popped out. Took care of that and she run great. I'll be sure to post some pics soon -- Nikolizer Nikolizer1 Wrote: > Well, I don't usually worry about the nose cone. My friend gave me this > propeller for this engine, because its what he recommended for speed. It [quoted text clipped - 4 lines] > > Here are some pics if you are interested. Not bad craftsmanship for a 15 year-old huh? :p Still waiting for someone else to blow your horn? Flown it yet? LT Signaturelightthings > Nikolizer1 Wrote: >> Well, I don't usually worry about the nose cone. My friend gave me this [quoted text clipped - 10 lines] > Still waiting for someone else to blow your horn? Flown it yet? > LT Let's just rain all over a kids enthusiasm. SignatureTo reply by email: vhoward1122 at gmail dot com >> Nikolizer1 Wrote: >>> Well, I don't usually worry about the nose cone. My friend gave me this [quoted text clipped - 12 lines] > > Let's just rain all over a kids enthusiasm. Yeah, doing that makes it clear that you don't want new folks in the hobby unless they are over 90 or so. . . > Nikolizer1 Wrote: >> Well, I don't usually worry about the nose cone. My friend gave me this [quoted text clipped - 11 lines] > Flown it yet? > LT Nikolizer1, it looks good! mk Nikolizer1 Wrote: > Not bad craftsmanship for a 15 year-old huh? :p > > Here are some pics if you are interested. It looks fast just sitting there. :D Nice job... I hope it flies as good as it looks! I love the sound of those old Super Tigre mufflers. I have a bunch of old ST engines from .25 on up, and most are old enough to have those neat exhausts. Great stuff! The new ones are big and ugly. Good flying, desmobob Signaturedesmobob > Nikolizer1 Wrote: >> Not bad craftsmanship for a 15 year-old huh? :p [quoted text clipped - 10 lines] > Good flying, > desmobob It's true, the old Super Tigre engines were lean and mean. The new stuff is too PC to be exciting like the old engines. Ed Cregger --- news://freenews.netfront.net/ - complaints: news@netfront.net --- |
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