35-40 degrees? that thought was definetley in the back of my mind when i was setting the prop blades.I experienced some dry winds recently and when i took the A6 out of it's foam box the tissue had warped the structure. A freind told me to shrink it on a frame with water until it starts to over shrink and then iron it so that all the moisture is removed. this is what i am doing and i hope to be flying her soon..
regards
Matthew
----- Original Message ----
From: Bill Gowen <b.gowen_at_comcast.net>
To: Indoor_Construction_at_yahoogroups.com
Sent: Thursday, 31 July, 2008 12:26:02 AM
Subject: Re: [Indoor_Construction] A6 for a dummy
I seem to always use larger motors than most people. My 9:30 at USIC 2007 was on 1 gram of 5/99 x 18" (.050"). I've never done well with 45 degree prop blades. Mine typically are set in the 34 to 38 degree range.
----- Original Message -----
From: Warthodson_at_aol.com
To: Indoor_Construction_at_yahoogroups.com
Sent: Wednesday, July 30, 2008 10:05 AM
Subject: Re: [Indoor_Construction] A6 for a dummy
I am not familiar with that particular plan. However, based on my
experience, I think you are on the right track with the information below. Two
comments. I doubt that you need to increase the rudder area, but doing so won't hurt
either. I think the 0.030" rubber will prove to be too small. If you are
flying in a typical gym, I would use a 13"-15" loop of 0.034" rubber. The thicker
rubber will improve the cruise portion of the flight. If you are not happy
with the results, look around for a proven design & build it exactly as shown.
Don't try to improve it until you have a good base line of experience with
the proven design.
Gary Hodson
In a message dated 7/28/2008 12:40:38 A.M. Central Daylight Time,
mattnsim_at_yahoo.com.au writes:
Hi there all, I am looking for some expert guidance on a beginers level
A6. I am not new to free flight, but am i new to A6. I have built lots
of peanuts and have actually won an Indoor peanut scale contest. I made
an A6-5a by bruce mcrory. I did enlarge the rudder,The plan indicated
that the rudder had been reduced in size as a test to see how it went.
I did not need that agrivation to start out with so i increased the
rudder by about 15%. The models all up weight is 1.2 grams. It is
covered in pre shrunk condensor paper and i am looking for some expert
advice on trimming. My prop blades are set at 45 degrees to one another
and i have used a twisted wire pigtail prop hangar.
I plan on using .030 rubber to start with as per the plan and we will
see how i go from there. If there is anyone out there with some tips
that would be greatly appreciated.
regards
Matthew
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Received on Wed Jul 30 2008 - 15:32:32 CEST