Hangar 9 35% Extra Weights?

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storklappe · 08-09-2007, 05:31 AM

I recall a post where Mike McConville indicated what the weights were for various configurations of his new 35% Extra 260.

Can any one point to that post? (I have tried several searches to no avail.)

Dan_nO · 08-09-2007, 09:21 AM

The prototype that Brendan has been flying is 28.9 pounds with Mikes setup in it. It has a DA 100 with headers and MTW 75 cans and lipo batts in it. 7 8711 servos on surfaces, only one on rudder, cant remember the number on the throttle servo. Without the headers and cans it will be lighter.

bodywerks · 08-09-2007, 09:54 AM

And I believe that all three are 4,000mah lipo batteries, which probably weigh about 6 ounces each. There's room to drop at least 6 ounces by going with a typical fromeco setup of 2600's, or about 10 ounces getting a bit more creative with smaller liPos, or A123 cells.
Then drop another pound by dropping the cannisters and you're easily in the 27 pound range.
There is room to drop even more weight with a little lightening of the airframe, CF spinner, CF wing tube, and lighter wheels, etc.

forgues research · 08-10-2007, 08:37 AM

a 35% at 29 lbs. where is the problem or do you need to be lighter for 3D only???

I'm building a 35% Yak at this time and expect to be at 30 lbs but then again I am not into 3D at all......

Roger

bodywerks · 08-10-2007, 10:01 AM

Roger, lighter is almost always better - IMO, at least. Nothing wrong with 29 pounds at or near sea level, and the vids of this plane at the Nall show some impressive pull-out at that weight. Still, I am shooting for under 28 pounds with tuned pipes on this one, and I see no reason I won't be able to do it.

GremlinX · 08-10-2007, 11:39 AM

I know, I sort of cringed at that weight at first too. Considering I think that plane should weigh 26.5-27 MAX with todays technology and lighter materials. I think it will still fly great.... just a little more tubby that I thought it would be.

forgues research · 08-10-2007, 12:18 PM

	Quote: Originally Posted by bodywerks
	Roger, lighter is almost always better - IMO, at least. Nothing wrong with 29 pounds at or near sea level, and the vids of this plane at the Nall show some impressive pull-out at that weight. Still, I am shooting for under 28 pounds with tuned pipes on this one, and I see no reason I won't be able to do it.

I agree with lighter is better.

The Yak I'm building is a 35% but I beleive it is slightly bigger then this one and it will come out at near 30lbs, lots of wing area, and I have installed a EVO 150 so I don't have to worry about tuned pipes and peaking out the engine performance,

Not being a Hucker, by choice and also I'm not good enough

so it should be OK

Roger

ddlstang · 08-11-2007, 11:24 PM

Dont worry about 29# on this plane. I agree lighter is better but at what cost. My AW 260 w/ DA100 pulls absolutely incredible w/ a 28x10 @29#. I'm sure it will be more than adequate for classes up to advanced as my Aero-Works is.

T. Bob · 08-12-2007, 12:10 AM

Lighter is always better but don't get hung up on the numbers.

**Cracky** · 08-14-2007, 02:11 PM

	Quote: Originally Posted by T. Bob
	Lighter is always better but don't get hung up on the numbers.

T.Bob, I heard that you got one.......get her together yet?

08-09-2007, 05:31 AM	#1
storklappe Bad-ass Super Contributer! Join Date: Jan 2006 Location: USA Posts: 255	Hangar 9 35% Extra Weights? I recall a post where Mike McConville indicated what the weights were for various configurations of his new 35% Extra 260. Can any one point to that post? (I have tried several searches to no avail.)

08-09-2007, 09:21 AM	#2
Dan_nO Bad-ass Super Contributer! Join Date: Jan 2006 Location: Frankfort, Ky. Age: 46 Posts: 2,950 Awards Showcase Total Awards: 1	Re: Hangar 9 35% Extra Weights? The prototype that Brendan has been flying is 28.9 pounds with Mikes setup in it. It has a DA 100 with headers and MTW 75 cans and lipo batts in it. 7 8711 servos on surfaces, only one on rudder, cant remember the number on the throttle servo. Without the headers and cans it will be lighter. Last edited by Dan_nO; 08-09-2007 at 09:46 AM.

08-09-2007, 09:54 AM	#3
bodywerks Bad-ass Super Contributer! Join Date: Jan 2006 Location: Tucson Age: 36 Posts: 5,229	Re: Hangar 9 35% Extra Weights? And I believe that all three are 4,000mah lipo batteries, which probably weigh about 6 ounces each. There's room to drop at least 6 ounces by going with a typical fromeco setup of 2600's, or about 10 ounces getting a bit more creative with smaller liPos, or A123 cells. Then drop another pound by dropping the cannisters and you're easily in the 27 pound range. There is room to drop even more weight with a little lightening of the airframe, CF spinner, CF wing tube, and lighter wheels, etc.

08-10-2007, 08:37 AM	#4
forgues research Bad-ass Super Contributer! Join Date: Feb 2006 Location: Canada Posts: 3,189	Re: Hangar 9 35% Extra Weights? a 35% at 29 lbs. where is the problem or do you need to be lighter for 3D only??? I'm building a 35% Yak at this time and expect to be at 30 lbs but then again I am not into 3D at all...... Roger __________________ Sbach 342 http://www.rcxmachines-na.com Turbine spark ignitions Fiber Optic servo extensions Engines Standoffs

08-10-2007, 10:01 AM	#5
bodywerks Bad-ass Super Contributer! Join Date: Jan 2006 Location: Tucson Age: 36 Posts: 5,229	Re: Hangar 9 35% Extra Weights? Roger, lighter is almost always better - IMO, at least. Nothing wrong with 29 pounds at or near sea level, and the vids of this plane at the Nall show some impressive pull-out at that weight. Still, I am shooting for under 28 pounds with tuned pipes on this one, and I see no reason I won't be able to do it.

08-10-2007, 11:39 AM	#6
GremlinX Father of the Scale Furum Join Date: Jan 2006 Location: Chapel Hill, TN Age: 34 Posts: 4,577	Re: Hangar 9 35% Extra Weights? I know, I sort of cringed at that weight at first too. Considering I think that plane should weigh 26.5-27 MAX with todays technology and lighter materials. I think it will still fly great.... just a little more tubby that I thought it would be. __________________ "I'll have the roast duck with the mango salsa" Kit builders check out.... http://bobflies.com/ 2.4 GHz is for your home telephone... 14MZ and 72 MHz for huckin' baby!!

08-11-2007, 11:24 PM	#8
ddlstang Bad-ass Super Contributer! Join Date: Jan 2006 Location: Broken Arrow Ok Age: 41 Posts: 887	Re: Hangar 9 35% Extra Weights? Dont worry about 29# on this plane. I agree lighter is better but at what cost. My AW 260 w/ DA100 pulls absolutely incredible w/ a 28x10 @29#. I'm sure it will be more than adequate for classes up to advanced as my Aero-Works is.

08-12-2007, 12:10 AM	#9
T. Bob Major League Deadbeat Join Date: Jan 2006 Location: Munster Indiana Posts: 2,222 Awards Showcase Total Awards: 2	Re: Hangar 9 35% Extra Weights? Lighter is always better but don't get hung up on the numbers. __________________ Guys beware of wgeffon... A very unreasonable person and untrustworthy, becareful of any transaction made with him you will regret it..........

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