RE: Why you love the OMP Fusion?  
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RE: Why you love the OMP Fusion? - 11/8/2007 11:02:26 PM   
MRMcFarlandM



Posts: 135
Joined: 12/17/2002
From: Kansas City, MO,
Status: offline 		HI Guys,
I am running a YS 110 in my fusion and it acts like it is going to take the front of the plane off.
At low throttle the head on the engine is moving about 3/4 of an inch and I only have about 20 flights
on it. What is it going to be like after several hundred? Any ideas about stiffening up the front end?

Thanks Mike,

_____________________________

Mike

(in reply to closetguy)
       Post #: 26

RE: Why you love the OMP Fusion? - 11/9/2007 12:52:31 AM   
wind junkie



Posts: 983
Joined: 11/16/2002
From: N. Syracuse, NY, USA
Status: offline 		We have 2 Fusions in my club that have filled the noses with Gorilla glue so they will better absorb vibrations from the Saito 125s. We drilled 2 holes in the font ends (top engine beam area, bottom area). Mix about 4 oz glue with a tiny bit of water and use an empty epoxy squeeze bottle to ration the glue into the two areas through the holes.

Plug any open areas up to the wing tube area with masking tape to contain the glue as it expands. It should expand to just beyond the front of the wing.

After squirting in the glue, masking tape shut the holes and lay the plane on its nose for 8 hours so it will fill up the nose and gravity will help it get to all the nooks and crannies.

You'll add some weight with this method, but it's a lot easier than the alternative of opening up the inside.

Another area to consider is the alternate battery area on the lower left front side. You may want to put a lite ply cover over this area after removing covering so you can glue the perimeter well.

_____________________________

Arguing with an engineer is like wrestling a pig. Everyone gets dirty and the pig likes it.

(in reply to MRMcFarlandM)
       Post #: 27

RE: Why you love the OMP Fusion? - 11/9/2007 12:38:11 PM   
AFSalmon



Posts: 3742
Joined: 5/24/2002
From: Beavercreek, OH,
Status: offline 		Bingo, give that man a cigar! Yep, gorilla glue is the best stuff and works great to fill areas without tearing the plane apart. Great suggestions Wind Junkie! I've got a YS 110 on mine and had to redo the nose after about two years of hard flying.

_____________________________

Mike (Salmon) Pilkenton, Chief Slab Designer
Ohio Model Planes, Team OMP Captain

(in reply to wind junkie)
       Post #: 28

RE: Why you love the OMP Fusion? - 11/12/2007 1:00:48 PM   
Spacey



Posts: 1876
Joined: 1/27/2004
From: Pretoria, SOUTH AFRICA
Status: offline 		I noticed on mine the ply engine mounts were seperated slightly by the I-beams from the foam. From the manual pictures it looks like the sheeting were supposed to come to a stop above the I-beams but then nothing would lign up at all. Might need to get some filler in to fill the gaps slightly. I'll check it out before I cap it. The foam cores didn't match the sheeting/engine mount very well so I did the best I could to compromise here and there...I'm sure it's all good and all no problems. Just gotta get this slight warp out or minimized then I'm trucking on.

(in reply to AFSalmon)
       Post #: 29

RE: Why you love the OMP Fusion? - 11/13/2007 12:36:59 AM   
AFSalmon



Posts: 3742
Joined: 5/24/2002
From: Beavercreek, OH,
Status: offline 		Spacey, I'm not sure I understand. Do you have some pics of the areas you are describing?

_____________________________

Mike (Salmon) Pilkenton, Chief Slab Designer
Ohio Model Planes, Team OMP Captain

(in reply to Spacey)
       Post #: 30

RE: Why you love the OMP Fusion? - 11/13/2007 7:02:30 AM   
Spacey



Posts: 1876
Joined: 1/27/2004
From: Pretoria, SOUTH AFRICA
Status: offline 		Little hard to describe the little booboo yes, not sure if pictures would show it clearly either but yeh reason I aint complaining is cause I'm not too sure it's not something I mucked up either? When I ligned the in place pre build hardwood engine mounting rails up with the ply sheeting doublers's cut out the fus sheeting was actually overlapping the bottom I-beam a little more than halfway. Later judging from the pictures in the manual the sheeting looks like it comes to a stop butting into the bottom I-beam? But this wouldn't work as the I-beam is not wide enough anyways. Either way, I aligned the engine mounting area properly and tried my best to get the wing tube and alignment holes aligned vertically as well as the rear of the sheetings so the stab and such would be close enough then just glued it all together. My I-beam was a teensy bit wider than the foam core but barely a fart so it lifts the front ply doubler slightly from the foam in the motor mounting area...this is really barely noticeable but maybe a good idea to pour some thinned wood glue in there or something just to beef it up for the shakey 1.25? The foam core is slightly bigger than the sheeting around the rear of the cockpit and top of the fuselage also, but this I'll just trim away, not much (Maybe 2mm). At the back of the fus though the sheeting is about 15mm too long, easy to trim also.

I'll get some pictures asap.

(in reply to AFSalmon)
       Post #: 31

RE: Why you love the OMP Fusion? - 11/13/2007 1:03:24 PM   
AFSalmon



Posts: 3742
Joined: 5/24/2002
From: Beavercreek, OH,
Status: offline 		The important thing is to make sure both sides are aligned with each other and it sounds like you paid good attention to that. Using the wing alignment holes as guides is a good way to do this. Excess foam around the perimeter is easily sanded off prior to capping.

_____________________________

Mike (Salmon) Pilkenton, Chief Slab Designer
Ohio Model Planes, Team OMP Captain

(in reply to Spacey)
       Post #: 32

RE: Why you love the OMP Fusion? - 11/13/2007 1:20:11 PM   
Spacey



Posts: 1876
Joined: 1/27/2004
From: Pretoria, SOUTH AFRICA
Status: offline 		Yeap thing should be aligned well side to side so I think the important bits are taken care of. I got some other priorities I'm taking care of quickly then I'll get some pictures of the progress again when I get stuck into it again.

(in reply to AFSalmon)
       Post #: 33

RE: Why you love the OMP Fusion? - 11/21/2007 8:43:10 PM   
Spacey



Posts: 1876
Joined: 1/27/2004
From: Pretoria, SOUTH AFRICA
Status: offline 		Well I got the fus sorted I reckon. Basically everything's done cept cutting off the excess wingtube sleeve and sanding which I will get around to once everything is framed up. It turned out well, straight as I'll ever get it.

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(in reply to Spacey)
       Post #: 34

RE: Why you love the OMP Fusion? - 11/22/2007 2:00:01 AM   
AFSalmon



Posts: 3742
Joined: 5/24/2002
From: Beavercreek, OH,
Status: offline 		Looks like a nice SLAB!

_____________________________

Mike (Salmon) Pilkenton, Chief Slab Designer
Ohio Model Planes, Team OMP Captain

(in reply to Spacey)
       Post #: 35

RE: Why you love the OMP Fusion? - 12/4/2007 8:07:10 PM   
Spacey



Posts: 1876
Joined: 1/27/2004
From: Pretoria, SOUTH AFRICA
Status: offline 		Hi everyone!

Well frame up is very nearly completed. Just gotta fix on the fin and finish that up. Then it's time to read through the instructions again to make sure I didn't miss anything and well...cover.

Current bones weight as in the picture is 1200gram. Little heavier than I hoped but ok I'm not down just yet, gonna battle on and hope for the best.

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(in reply to AFSalmon)
       Post #: 36

RE: Why you love the OMP Fusion? - 12/4/2007 8:59:03 PM   
AFSalmon



Posts: 3742
Joined: 5/24/2002
From: Beavercreek, OH,
Status: offline 		Maybe fluffy was sitting on the scale along with the plane. Honestly 1200 grams is only 2.64 lbs. Target weight rtf should be 7.25 lbs or for you 3290 grams or so.

_____________________________

Mike (Salmon) Pilkenton, Chief Slab Designer
Ohio Model Planes, Team OMP Captain

(in reply to Spacey)
       Post #: 37

RE: Why you love the OMP Fusion? - 12/5/2007 7:11:00 AM   
Spacey



Posts: 1876
Joined: 1/27/2004
From: Pretoria, SOUTH AFRICA
Status: offline 		Hahahah...all part of his evil plot to get back at me for putting a plane down between him and his ball I suppose?

1,2kg is definitely not terrible but I'll admit I built the fuselage a little heavy for my tastes. I'm known to build things heavy but I think I messed this one up badly. At the moment it still looks like I can make the 3,3kg mark dry easy but I was hoping to keep it below 3kg dry so it would shine with the 1.25 on the nose. If I break 3.5kg dry I'm buggered with the Saito and will end up flying pattern for the most part with this bird, still going to try to avoid that. Looks like I'll just have to go easy on the glue from here on. Not backing down on my mission impossible colour scheme though, already forked out a $100 too much on covering for that now.

(in reply to AFSalmon)
       Post #: 38

RE: Why you love the OMP Fusion? - 12/5/2007 1:28:03 PM   
AFSalmon



Posts: 3742
Joined: 5/24/2002