New BME Aircraft 30% Extra330L
01-13-2007, 06:01 AM
#427
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RE: BME Aircraft 30% Extra330L
ORIGINAL: newflyguy
Digger44,
I think it came out good, looked pretty much centered, but I did not really measure anything.
Digger44,
I think it came out good, looked pretty much centered, but I did not really measure anything.
thanks,
Bob
01-15-2007, 12:34 PM
#428
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RE: BME Aircraft 30% Extra330L
I have reinstalled my taurus and had a better look, It might be a little lower but not 5mm's, and I think with a 4" spinner on it will a nice fit to the top of the cowl. How are you guys installing the pull-pull( crossing them, which end do you have the output shaft, how big of arms)? If you cross them how do you keep the wires from rubbing one another? I am planning on 3" servo arms and it looks as if that's the only option (to cross them),I currently have my output shaft closer to the front of the plane.
Brad
Brad
01-15-2007, 12:51 PM
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RE: BME Aircraft 30% Extra330L
I've crossed them at first and they were rubbing at the exits. I went back to running them parallel and there is no issues at all.
Originally installed SWB 3" offset arm and now changing to a 4" straight arm.
Output shaft towards the front of the plane.
01-15-2007, 01:10 PM
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RE: BME Aircraft 30% Extra330L
Thanks Yarom,
I must be doing something wrong here, I am just running a 2-56 rod out to see where things are going to be, when I try to go parallel the rod is hitting the former right behind the elev servos, when I cross it looks as if they are going to hit the fuse at the slot. Did you have to rework that former?
Thanks, Brad.
I must be doing something wrong here, I am just running a 2-56 rod out to see where things are going to be, when I try to go parallel the rod is hitting the former right behind the elev servos, when I cross it looks as if they are going to hit the fuse at the slot. Did you have to rework that former?
Thanks, Brad.
01-15-2007, 01:26 PM
#431
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RE: BME Aircraft 30% Extra330L
Not at all. Just dropped in and it worked fine.
Are the horns on your rudder the same distance from pivot as the servo arm?
Have you found the right exit holes in the fuse? They are tricky to find - narrow slots...
01-15-2007, 02:18 PM
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RE: BME Aircraft 30% Extra330L
Yarom,
Do you man you have crossed the wires with the 4" straight arm? I just went to mine and ran a 20lb test wire through it and it is hitting that former right behind the elev servos(parallel), it does look as though at 4" crossing them might clear. Even at 3" parallel is hitting that former. I tired to get a pic but it is too far back to get a good enough pic. I looked at the pic of yours earlier in the thread and my slot looks to be in the same place. Brad.
Do you man you have crossed the wires with the 4" straight arm? I just went to mine and ran a 20lb test wire through it and it is hitting that former right behind the elev servos(parallel), it does look as though at 4" crossing them might clear. Even at 3" parallel is hitting that former. I tired to get a pic but it is too far back to get a good enough pic. I looked at the pic of yours earlier in the thread and my slot looks to be in the same place. Brad.
01-18-2007, 05:06 PM
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RE: BME Aircraft 30% Extra330L
just about done mine. need to set my radio up and check the incidences. need a spinner too. put some pic's in. weighed it today too. I put her on a diet as much as I could.
things I changed:
-CF gear
-Ti axles
-Ti engine mntg. bolts
-trimmed canopy
-gutted hatch
-used foam tailwheel
-sullivan fuel tank 24oz (same size)
didn't touch any wood inside fuselage.
-cf/fg spinner
-Brison 3.2
-nylon standoffs (1 7/16 long)
-gorilla glued hinges
-5945's x4
-8611 rudder
-225 throttle
newflyguy, I believe my rudder lines are touching the former too. I'm not worried about it. if need be I could bring the horns in on the rudder a little.
any guess on my planes weight? we've had a few weigh in. closest weight wins a yogi button.
things I changed:
-CF gear
-Ti axles
-Ti engine mntg. bolts
-trimmed canopy
-gutted hatch
-used foam tailwheel
-sullivan fuel tank 24oz (same size)
didn't touch any wood inside fuselage.
-cf/fg spinner
-Brison 3.2
-nylon standoffs (1 7/16 long)
-gorilla glued hinges
-5945's x4
-8611 rudder
-225 throttle
newflyguy, I believe my rudder lines are touching the former too. I'm not worried about it. if need be I could bring the horns in on the rudder a little.
any guess on my planes weight? we've had a few weigh in. closest weight wins a yogi button.
01-18-2007, 06:10 PM
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RE: BME Aircraft 30% Extra330L
Nice look with the Prop and canopy!!
I have a couple of 50CC and use 16 oz fuel tank. It gives me 20 minutes of flight with no reserve. Consider that a smaller tank will only save maybe one ounce dry weight but more when you get to flying weight.
15 lbs 13 oz
I have a couple of 50CC and use 16 oz fuel tank. It gives me 20 minutes of flight with no reserve. Consider that a smaller tank will only save maybe one ounce dry weight but more when you get to flying weight.
15 lbs 13 oz
01-18-2007, 06:17 PM
#437
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RE: BME Aircraft 30% Extra330L
I'd say you are at 16.75 lbs dry. That Brison is not the lightest engine out there...
The comment of the fuel tank is quite correct - 16oz is more than enough.
We want the make and model of that CF gear...
ORIGINAL: badfish
just about done mine. need to set my radio up and check the incidences. need a spinner too. put some pic's in. weighed it today too. I put her on a diet as much as I could.
things I changed:
-CF gear
-Ti axles
-Ti engine mntg. bolts
-trimmed canopy
-gutted hatch
-used foam tailwheel
-sullivan fuel tank 24oz (same size)
didn't touch any wood inside fuselage.
-cf/fg spinner
-Brison 3.2
-nylon standoffs (1 7/16 long)
-gorilla glued hinges
-5945's x4
-8611 rudder
-225 throttle
newflyguy, I believe my rudder lines are touching the former too. I'm not worried about it. if need be I could bring the horns in on the rudder a little.
any guess on my planes weight? we've had a few weigh in. closest weight wins a yogi button.
just about done mine. need to set my radio up and check the incidences. need a spinner too. put some pic's in. weighed it today too. I put her on a diet as much as I could.
things I changed:
-CF gear
-Ti axles
-Ti engine mntg. bolts
-trimmed canopy
-gutted hatch
-used foam tailwheel
-sullivan fuel tank 24oz (same size)
didn't touch any wood inside fuselage.
-cf/fg spinner
-Brison 3.2
-nylon standoffs (1 7/16 long)
-gorilla glued hinges
-5945's x4
-8611 rudder
-225 throttle
newflyguy, I believe my rudder lines are touching the former too. I'm not worried about it. if need be I could bring the horns in on the rudder a little.
any guess on my planes weight? we've had a few weigh in. closest weight wins a yogi button.
01-18-2007, 06:59 PM
#438
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RE: BME Aircraft 30% Extra330L
I'm guesing 17.1 lbs. I like that canopy and the prop but I can't tell what size it is..kinda gives the plane a whole new look. Looks great. I don't have mine finished yet but I did stay at a Holiday Inn express last night!!! jk[sm=lol.gif]
I do have a question about the can install though, for those that have done a can setup, is there any material that I can use to shield the bottom and top of the fuse from heat or is it really not needed. I was thinking that at least on the top of the tunell to protect the gas tank from heat.
I do have a question about the can install though, for those that have done a can setup, is there any material that I can use to shield the bottom and top of the fuse from heat or is it really not needed. I was thinking that at least on the top of the tunell to protect the gas tank from heat.
01-18-2007, 07:09 PM
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RE: BME Aircraft 30% Extra330L
I asked and was told that it is not necessary. I was just told to fuel proof the exposed wood around the can.
I am planning to use this aluminum tape I have, just above and below the can. I think it's used for appliance repairs or something... There must be a bunch of automotive product that can be used to shield and dissipate heat...
There is going to be quite a draft flowing around that can, coming in through the cowl opening and going towards the exit hatch...
I have no idea how much the can actually heats on the outside... I suspect the header gets quite hot.
01-18-2007, 07:31 PM
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RE: BME Aircraft 30% Extra330L
First can setup for me so I don't have a clue how hot the can gets. I would also assume the header gets quite hot. I like the tape idea. Are you talking about the chrome looking duct tape? That stuff sticks like nobody's business.
01-18-2007, 07:43 PM
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RE: BME Aircraft 30% Extra330L
Exactly that. I am going to try and see how resistant it is with a welder first. Last thing I need is something to catch on fire inside a balsa fuse... I mean, you start getting really good smoke but you clearly remember not setting this plane for smoke...
There is also this fire and heat resistant spray paint you can buy in automotive stores.
There is also this fire and heat resistant spray paint you can buy in automotive stores.
01-19-2007, 02:27 PM
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RE: BME Aircraft 30% Extra330L
Shiedling is NOT needed at all... You're just adding extra weight and potential RF source.
THe cans get hot tot eh touch but not so much as to flash start paper... and your can tunnel should have at least an exit or the whole length exposed (I prefer the exit) keeping heat from building up an wrinkling covering...
THe cans get hot tot eh touch but not so much as to flash start paper... and your can tunnel should have at least an exit or the whole length exposed (I prefer the exit) keeping heat from building up an wrinkling covering...
ORIGINAL: Digger44
First can setup for me so I don't have a clue how hot the can gets. I would also assume the header gets quite hot. I like the tape idea. Are you talking about the chrome looking duct tape? That stuff sticks like nobody's business.
First can setup for me so I don't have a clue how hot the can gets. I would also assume the header gets quite hot. I like the tape idea. Are you talking about the chrome looking duct tape? That stuff sticks like nobody's business.
01-19-2007, 04:52 PM
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RE: BME Aircraft 30% Extra330L
Thanks David,
I do have the exit cut out in the fuse so it should breathe pretty good. I might just try without any sheilding and see how it does.
I do have the exit cut out in the fuse so it should breathe pretty good. I might just try without any sheilding and see how it does.
01-19-2007, 04:56 PM
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RE: BME Aircraft 30% Extra330L
rdb127 gets the yogi button!
I will say the weight was done on 2 digital scales and the scales were verified using a 5lb weight.
so it's pretty close.
these are the areas where I saved some weight.
-wood hatch started at 8.65oz trimmed to 6.5oz = 2+ oz
-canopy trimmed saved 1/4oz
-tail wheel changed to foam saved 1/4oz
-engine mntg. bolts from steel to Ti saved 1+oz
-landing gear and axles to cf and Ti saved 4.5oz
the landing gear is graphtec off of my use to be wild hare extra 28% it's the same size. all I needed to do was drum sand the area where it slides into the fuselage. (big mess) if you plan to do this do it ouside in one of those 1 piece tyvec (?) suites. a dust mask and some gloves. it only took 15 min and came out nice.
the plane balanced nicely, batteries are pretty close to the cg for a 3D setting.
don't know if anyone checked their incidences but mine were off pretty good on the stab.
LW 0
RW -1/4
L STAB -2
R STAB -1
ENGINE THRUST LINE 0
My Brison did well in 17.5lb- 84" WH. I know it should be great in a 15lb 14oz- 87" BME
steve.
I will say the weight was done on 2 digital scales and the scales were verified using a 5lb weight.
so it's pretty close.
these are the areas where I saved some weight.
-wood hatch started at 8.65oz trimmed to 6.5oz = 2+ oz
-canopy trimmed saved 1/4oz
-tail wheel changed to foam saved 1/4oz
-engine mntg. bolts from steel to Ti saved 1+oz
-landing gear and axles to cf and Ti saved 4.5oz
the landing gear is graphtec off of my use to be wild hare extra 28% it's the same size. all I needed to do was drum sand the area where it slides into the fuselage. (big mess) if you plan to do this do it ouside in one of those 1 piece tyvec (?) suites. a dust mask and some gloves. it only took 15 min and came out nice.
the plane balanced nicely, batteries are pretty close to the cg for a 3D setting.
don't know if anyone checked their incidences but mine were off pretty good on the stab.
LW 0
RW -1/4
L STAB -2
R STAB -1
ENGINE THRUST LINE 0
My Brison did well in 17.5lb- 84" WH. I know it should be great in a 15lb 14oz- 87" BME
steve.
01-19-2007, 05:26 PM
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RE: BME Aircraft 30% Extra330L
Mighty purdy there... and with the 3 blade porp... ummm huuuummm!
And at under 16 lbs it's gonna be quite the performer!
And at under 16 lbs it's gonna be quite the performer!
01-19-2007, 06:23 PM
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RE: BME Aircraft 30% Extra330L
Yeah they aren't as efficient... btu again at that weight... maybe it will perform quite nicely... have you flown that prop?
01-19-2007, 08:03 PM
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RE: BME Aircraft 30% Extra330L
I actually have only flown it once with that prop. I had a pitts muffler on the motor as well. I brought the plane back in and started tweaking the needles. It was so quiet, I thought there was something wrong with my motor. lol. so I really never gave it a fair shot. I never did get a chance to tach it either. I'll have to try it again some time.
steve.
steve.
01-20-2007, 12:32 AM
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RE: BME Aircraft 30% Extra330L
Where is your reference thrust line? Is it the flat surface under the canopy?
ORIGINAL: badfish
rdb127 gets the yogi button!
I will say the weight was done on 2 digital scales and the scales were verified using a 5lb weight.
so it's pretty close.
these are the areas where I saved some weight.
-wood hatch started at 8.65oz trimmed to 6.5oz = 2+ oz
-canopy trimmed saved 1/4oz
-tail wheel changed to foam saved 1/4oz
-engine mntg. bolts from steel to Ti saved 1+oz
-landing gear and axles to cf and Ti saved 4.5oz
the landing gear is graphtec off of my use to be wild hare extra 28% it's the same size. all I needed to do was drum sand the area where it slides into the fuselage. (big mess) if you plan to do this do it ouside in one of those 1 piece tyvec (?) suites. a dust mask and some gloves. it only took 15 min and came out nice.
the plane balanced nicely, batteries are pretty close to the cg for a 3D setting.
don't know if anyone checked their incidences but mine were off pretty good on the stab.
LW 0
RW -1/4
L STAB -2
R STAB -1
ENGINE THRUST LINE 0
My Brison did well in 17.5lb- 84" WH. I know it should be great in a 15lb 14oz- 87" BME
steve.
rdb127 gets the yogi button!
I will say the weight was done on 2 digital scales and the scales were verified using a 5lb weight.
so it's pretty close.
these are the areas where I saved some weight.
-wood hatch started at 8.65oz trimmed to 6.5oz = 2+ oz
-canopy trimmed saved 1/4oz
-tail wheel changed to foam saved 1/4oz
-engine mntg. bolts from steel to Ti saved 1+oz
-landing gear and axles to cf and Ti saved 4.5oz
the landing gear is graphtec off of my use to be wild hare extra 28% it's the same size. all I needed to do was drum sand the area where it slides into the fuselage. (big mess) if you plan to do this do it ouside in one of those 1 piece tyvec (?) suites. a dust mask and some gloves. it only took 15 min and came out nice.
the plane balanced nicely, batteries are pretty close to the cg for a 3D setting.
don't know if anyone checked their incidences but mine were off pretty good on the stab.
LW 0
RW -1/4
L STAB -2
R STAB -1
ENGINE THRUST LINE 0
My Brison did well in 17.5lb- 84" WH. I know it should be great in a 15lb 14oz- 87" BME
steve.