RE: Lou Andrews aeromaster bipe ..Any info ??  
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RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/7/2006 3:46:01 PM   
HighPlains


 

Posts: 2670
Joined: 3/2/2003
From: Over da rainbow, KS, USA
Status: online 		Paul,

I think I will have to finish the Sportmaster first, as the wing is nearly finished and the tail feathers are hinged. Also since I have a flying Aeromaster, and my Trainermaster is only lightly pranged (7th or 8th time).

The TM has over 160 hours of airtime, and has survived losing the elevator servo once, aileron servo once, two tail slides into close association with the ground, one straight in auger when I changed my mind on pullout from inverted to upright, one cartwheel from catching a wingtip while making low inverted turns over the field, snap rolling in from hitting my own wake on a calm day while flying very slow, and at least two other times where I really screwed up. The fuselage broke only in the cartwheel at the end of the "box-loc". I fly it extremely tail heavy, so it is very responsive to rudder/elevator, so a couple of crashes are due to PIO because things happen so fast.

On the Sportmaster, I understand that I may want to change the decalage slightly for better performance. Something about the incidence of the stab?

_____________________________

In politics if you want anything said, ask a man. If you want anything done, ask a woman - Margaret Thatcher

(in reply to pd1)
       Post #: 101

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/7/2006 4:56:42 PM   
Michaelj2k



Posts: 312
Joined: 9/15/2006
From: Newark, DE, USA
Status: offline 		For anyone interested, Laser Works has several Aamco short kits available. http://lazer-works.com/misc.html

_____________________________

"He''s crazy Lew, he builds toy airplanes."
Waco Brotherhood #6

(in reply to pd1)
       Post #: 102

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/7/2006 5:00:03 PM   
mcmike


 

Posts: 582
Joined: 2/19/2002
From: pekin, IL, USA
Status: online
quote:

ORIGINAL: Michaelj2k

For anyone interested, Laser Works has several Aamco short kits available. http://lazer-works.com/misc.html


Thats the site I was looking for... I knew somebody was doing them...

Anybody find any Sportmaster kits or plans that are available?



_____________________________

Real airplanes have 2 wings and round engines!

(in reply to Michaelj2k)
       Post #: 103

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/7/2006 5:50:04 PM   
pd1


 

Posts: 119
Joined: 11/24/2006
From: noydb, MA, USA
Status: online 		High Plains, I wouldn't touch the incidence of the stabiliser.
It should be zero, the same as the thrust line.
That's if my memory serves me correctly,it's getting harder to remember these things.

Place a straight edge across the fuselage sides and see if there is any space at the extreme aft end.
If the end has a space then it had the cut, to give down thrust and wing incidence.
The Sport should not have the space.

The Aeromaster had a small cut in the top of the aft fuselage sides, this gave down thrust and helped set the wing incidence.
The stabiliser flys level in normal level flight.
S-ray had the cut, H-Ray didn't, and I don't think the Trainermaster had it either.

This cut had the effect of making the planes fly nose down, helped penitrate the wind better.

The Sport flys fine stock. Without the cut.

Here's a couple of shots of my competition Sport and Trainermasters, Lou didn't like these because I changed the nose and wing mounts.
And the first production Minimaster.

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< Message edited by pd1 -- 12/7/2006 6:53:46 PM >

(in reply to HighPlains)
       Post #: 104

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/10/2006 7:42:00 PM   
Nerevar


 

Posts: 260
Joined: 6/2/2005
From: *, USA
Status: offline 		Can anyone tell me what material the wing spars of the Aeromaster Too were. (i.e. spruce, maple, basswood)

On the plans it appears the size is only 1/4 square.

If the 1/4sq balsa in my kit are the spars, was there any history of wing failures?

(in reply to pd1)
       Post #: 105

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/10/2006 8:20:54 PM   
tukkus


 

Posts: 911
Joined: 6/26/2004
From: salisbury, MA, USA
Status: offline 		Hello pd1.... good news, check your PM

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This is a HOBBY so we don't need no steeenkin' reasons to use four stroke engines.

(in reply to Nerevar)
       Post #: 106

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/11/2006 10:21:34 AM   
Ladyflyer



Posts: 1035
Joined: 1/13/2002
From: North Am, PA, USA
Status: offline 		It is really pretty deceiving to equate 1960s dollars to todays dollars. The difference doesn't really track across all goods and services. My brother was able to build a few planes and fly them frequently on a paper route budget in the late 1960s. No doubt the stuff we are getting today appears to be a good deal. The trouble is we havenn't yet seen the bill. There will be a time when we as a nation will have to pay the true cost of cheap consumer goods. I doubt we will be able to afford it.

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LF
When they have to say "NO FEAR" it really means NO SENSE.

(in reply to wayjer66)
       Post #: 107

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/11/2006 1:04:40 PM   
mcmike


 

Posts: 582
Joined: 2/19/2002
From: pekin, IL, USA
Status: online
quote:

ORIGINAL: Nerevar

Can anyone tell me what material the wing spars of the Aeromaster Too were. (i.e. spruce, maple, basswood)

On the plans it appears the size is only 1/4 square.

If the 1/4sq balsa in my kit are the spars, was there any history of wing failures?


they're balsa.. and I've thrown several of them around pretty hard, never had a problem. just make sure you put the shear webs in.



_____________________________

Real airplanes have 2 wings and round engines!

(in reply to Nerevar)
       Post #: 108

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/11/2006 1:48:31 PM   
pd1


 

Posts: 119
Joined: 11/24/2006
From: noydb, MA, USA
Status: online 		NEREVAR, mcmike is correct. 1/4x1/4 balsa.
I have never heard of an Aeromaster wing breaking in flight.

(in reply to Nerevar)
       Post #: 109

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/11/2006 1:54:54 PM   
HighPlains


 

Posts: 2670
Joined: 3/2/2003
From: Over da rainbow, KS, USA
Status: online 		That should be firm hard straight-grained balsa for the spars, plus there are rear spars as well. The upper wing on my Aeromaster weighs 11 oz (no ailerons).

Some of the earlier posts were speculating on weights that an Aeromaster could be built to. With a light engine and minimal radio, 5 1/4 lbs +/- 1/4 lbs should be possible depending on builders choices of material and equipment.

For an extreme model with four ailerons (servo on each), two elevator servos (redundency), and a Jett BSE .76L (15.2 oz), I project that 5 1/2 lb empty weight is possible.

_____________________________

In politics if you want anything said, ask a man. If you want anything done, ask a woman - Margaret Thatcher

(in reply to mcmike)
       Post #: 110

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/11/2006 2:57:44 PM   
Nerevar


 

Posts: 260
Joined: 6/2/2005
From: *, USA
Status: offline 		Thanks for answering my questions.
I do want to get this old plane right. I guess it's now time to start on the wings.
I hope to have it flying by this spring.

Did the Aeromaster have any bad flying traits that I should be aware of?
I haven't heard of any yet but just asking to make sure.

(in reply to HighPlains)
       Post #: 111

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/11/2006 3:36:18 PM   
mcmike


 

Posts: 582
Joined: 2/19/2002
From: pekin, IL, USA
Status: online
quote:

ORIGINAL: Nerevar

Thanks for answering my questions.
I do want to get this old plane right. I guess it's now time to start on the wings.
I hope to have it flying by this spring.

Did the Aeromaster have any bad flying traits that I should be aware of?
I haven't heard of any yet but just asking to make sure.


Like any bipe, they'll bite you if you crank too much elevator or rudder at slow air speeds. Keep the airspeed up on final, cutting that last bit of throttle right at touchdown. They'll slow down quick with no throttle, and have a tendancy to land about 3 to 4 feet in the air. Fly them down to the landing. They Love to be thrown around.. snaps, spins, etc. Knife edge is great, but couples pretty badly. Stall turns, etc. are nothing but fun. Fly it on the wing, not the engine, and you'll have a ball!



_____________________________

Real airplanes have 2 wings and round engines!

(in reply to Nerevar)
       Post #: 112

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/11/2006 11:06:47 PM   
wayjer66


 

Posts: 11
Joined: 10/24/2003
From: Durango, CO, USA
Status: offline 		If anyone is looking for an original Andrews Aeromaster there is one on E-Bay at:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190061628372&ssPageName=ADME:B:WNARL:US:12#ebayphotohosting

Current bid is $51.00 and I am sure that will go up.

_____________________________

Tower to 747...you have traffic at 10 o'clock...
747 to tower...give us another hint, we have digital watches!

(in reply to mcmike)
       Post #: 113

RE: Lou Andrews aeromaster bipe ..Any info ?? - 12/11/2006 11:39:23 PM   
mcmike


 

Posts: 582
Joined: 2/19/2002
From: pekin, IL, USA
Status: online
quote:

ORIGINAL: wayjer66

If anyone is looking for an original Andrews Aeromaster there is