'fore & aft'

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iiipopes
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Post by iiipopes »

As I posted in another thread:

I think one point overlooked as to whether or not to use a gig bag is to look at the relative mechanical aspects of both gig bag and instrument. This is like the old science project to demonstrate force or mass verses area by taking an unsharpened pencil, putting a block on one end and balancing it on your palm. It's easy because the force is distributed along the entire face of the unsharpened pencil. I routinely carry my electric guitar and bass in gig bags, because even if they take a broadside, the worst that will probably happen is a small ding in the body and have to replace a string, because of the relatively flat nature of the beasts which tends to dissipate force rather than concentrate it. OTH, for instruments with a sizable bell, it's like taking the next step in the demonstration and sharpening the pencil, then trying to hold and balance the same block with the sharpened point against your palm. OUCH! Same mass and pressure from weight, but concentrated to a much higher force verses area. Unless the gig bag is exceptionally well designed, the bell just won't take it on larger instruments, as it is difficult to get enough padding to dissipate the energy from the blow naturally concentrated on the edge of the bell or some other vulnerable place.
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Post by Rick Denney »

All life is a calculated risk.

Using a gig bag instead of a hard case is a risk, but a risk that has to be balanced against other risks, like not being able to carry the instrument in the car, not being able to hoist it up the stairs of the rehearsal or performance venue, or not being able to get it through the door.

Tubas don't come with handles, but they should. They don't have any devices to protect their vulnerable bits (as do, say, saxophones), but they should. A hard case provides this, but if using the hard case presents other impossible issues, then you have to balance the risk.

Of course, the horn player used the gig bag because it looked cool (so thinks Joe), and (more likely) because it had a shoulder strap, which the hard case does not. I carry my Yamaha 621 in a hard case, but the lack of a shoulder strap is a key fault when I'm trying to carry both it and my Holton.

And carrying music, mouthpiece, glasses, valve oil, and other supporting tidbits separately from the instrument is usually impossible, and how many hard cases have an appropriate compartment for such things? My 621 case has room for a mouthpiece and a bottle of valve oil and not one more thing.

For me, I don't use a gig bag for protection from dents. I use it to provide a needed set of handles, storage for accessories, and to protect it from scrapes. It is a calculated risk. As long as I realize that carrying it in a gig bag is light carrying the bare horn in terms of not running into things, the risk is manageable.

Rick "who has put more dents in horns when outside the case than when in ANY gig bag" Denney
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Dan Schultz
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Post by Dan Schultz »

I don't own a case. Hate 'em. In the case of tubas, the cases are just too darned big and heavy. Knock on wood, but I've learned to be careful when carrying my horn in a bag or just lugging it around bare. I guess I could go 'round banging into doorways, dragging the horn on the floor, and bumping up steps.... but what's the matter with just being careful?

Most of the damage that's been done to my horns has come at the hands of others... like the moron who pushed his chair back once and set one of the chair legs down on the edge of the bell. Face it, most rehearsal halls don't have enough room to keep the case beside your chair, anyway. Who puts their horn in the case during those 64 bar rests?... or between tunes??? After all, folks... this is just a bunch of pieces of brass in the shape of a tuba.
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Post by pulseczar »

TubaTinker wrote:After all, folks... this is just a bunch of pieces of brass in the shape of a tuba.
Sacrilege! It is shaped by the hand of God! :x
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Post by windshieldbug »

pulseczar wrote:
TubaTinker wrote:After all, folks... this is just a bunch of pieces of brass in the shape of a tuba.
Sacrilege! It is shaped by the hand of God!
OK; it is just a bunch of pieces of brass shaped around an air column that was shaped by the hand of God! 8)
Instead of talking to your plants, if you yelled at them would they still grow, but only to be troubled and insecure?
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Post by Dan Schultz »

windshieldbug wrote:
pulseczar wrote:
TubaTinker wrote:After all, folks... this is just a bunch of pieces of brass in the shape of a tuba.
Sacrilege! It is shaped by the hand of God!
OK; it is just a bunch of pieces of brass shaped around an air column that was shaped by the hand of God! 8)
I am sure there are some out there who may think that gig bags are also the work of God! (careful! You'll get this thread locked) :!:
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Post by Chuck(G) »

Most gig bags are poorly designed, period.

Why don't gig bags have a round piece of plywood (or aluminum) sewn into the bell bell end to protect the edge of the bell from side blows? Why isn't there a similar rigid piece down at the bottom bow end? How about some "whalebone" type of stays in the middle to deflect light blows to unimportant parts like the valve cluster?

I took the big Pro-Tec bag and cut a round piece of 1/4" chipboard and sewed it into the bell end to protect the bell of my big York. Works great. I should probably take a hunk of 6" PVC electrical conduit, cut a segment out of it and sew it into the bottom of the bag too.

I guess the current crop of bags is what you get when your protection is designed by someone who knows only how to run a sewing machine.
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Post by iiipopes »

And to help the inside of the horn -- a guy in the local community band who plays a Kalison CC has a form fit solid styrofoam cone that goes inside the bell, to help disperse the force from any mishaps, minimizing damage.
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Post by Donn »

Chuck(G) wrote:Most gig bags are poorly designed, period.

Why don't gig bags have a round piece of plywood (or aluminum) sewn into the bell bell end to protect the edge of the bell from side blows? Why isn't there a similar rigid piece down at the bottom bow end? How about some "whalebone" type of stays in the middle to deflect light blows to unimportant parts like the valve cluster?
For a light and slightly rigid liner material, check out "fluted polypropylene". It's widely used in temporary outdoor signs, looks vaguely like corrugated cardboard. Some time back I was working on a case made entirely of this material, but never worked out the details. It can't bond But as an insert, it would prevent front piston snags, for example.

I think I have a sousaphone gig bag somewhere in the basement, that's designed to be used with the bell assembled, bell facing down, and the floor of the bag is some rigid material. Insert 30 lb sousaphone, and you can bang some serious shins. I took it on the municipal bus once, that was fun.
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Post by Biggs »

hurricane_harry wrote:and people wonder why kids go ans shoot thier classmates
Whoa.
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windshieldbug
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Post by windshieldbug »

hurricane_harry wrote:and people wonder why kids go ans shoot thier classmates
... So that they can get dibs on their teachers... :shock:

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Post by MaryAnn »

Gig bags are not for kids. Just for us old folks who move slowly enough anyway to not dent stuff.

My horn was damaged when I had it in a hard screwbell case (Marcus Bonna) and the shoulder strap let go due to faulty design and it hit the ground. Dented the bell. After it happened a second time, even after I was REAL careful about the straps, I quit using it until I got some carabiners on it instead of the cheap-a$$ connectors it came with.

I'm curious about any consequences to the kids who stomped the girl's horn....the parents must have had some legal recourse? A new horn is in the $3500 dollar range nowadays.

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iiipopes
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Post by iiipopes »

UK, USA: ah, yes! But one more example of two countries separated by a common language!
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Post by tubatooter1940 »

I have no case. My recording tuba gets it's own seat and belt in the car.
I carry my tuba in front of me at high port arms when going thru a door or any narrow place. If I can see it all going thru the door first, then I probably won't bash anything with it. If I carry it low with one hand I'm in for crunch city.
I am terrified to contemplate flying with the thing. I'm not a big enough star to afford a second seat on the plane. I would prefer to rent a strange tuba and let the airlines have their way with that one.
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windshieldbug
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Post by windshieldbug »

tubatooter1940 wrote:My recording tuba gets it's own seat and belt in the car
Which makes you a more responsible parent than this one...

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Post by Rick Denney »

Jonathantuba wrote:Trying to speak your lingo!
We appreciate the effort, but "trunk" notwithstanding, it was impossible for you to hide the Queen in your English.

Rick "whose only American experience with 'bouncing in transit' is watching the local Latino kids play with their low-rider suspension" Denney
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