Re: Re: Some good flying

From: Jake Palmer <82.jake_at_gmail.com>
Date: Tue, 12 Feb 2013 19:17:03 -0800

I've never even wound a motor to that much torque, let alone flown with it.
 The most I've ever launched with was about 0.45, and the motor broke a few
seconds into the flight.


On Tue, Feb 12, 2013 at 6:19 PM, Nick Ray <lasray_at_gmail.com> wrote:

> **
>
>
> There is no boron on his motor stick either.
>
>
> On Tue, Feb 12, 2013 at 9:13 PM, Yuan Kang Lee <ykleetx_at_gmail.com> wrote:
>
>> **
>>
>>
>> Please raise your hand if you have launched a F1D at 0.70 in-oz or higher
>> ...
>>
>> If this were my model, it would crumple up into a ball! I think this
>> speaks well of Josh's model and his building skills.
>>
>> Are you sure your torque meter is calibrated ;-) ?
>>
>>
>> --- In Indoor_Construction_at_yahoogroups.com, joshuawfinn_at_... wrote:
>> >
>> >
>> >
>> > --- In Indoor_Construction_at_yahoogroups.com, "mkirda_at_" wrote:
>> > >
>> > > Hi Joshua.
>> > >
>> > > Is the .7 in-oz number correct? What size rubber are you using? Seems
>> incredibly high for F1D.
>> > >
>> > > 23 minutes in that space is great. I assume a lot of bumping goes on.
>> > >
>> > > Regards.
>> > > Mike Kirda
>> > >
>> >
>> > Mike,
>> >
>> > Yeah, I calibrated my torque meter a while back and discovered that I
>> was using much higher torque settings in Cat I than I'd realized.
>> >
>> > On the 23 minute flight, there was one bump about 3 minutes in, and a
>> good bit more bumping starting around 12 minutes. Around 18 minutes, the
>> model got out of reach of my steering pole, and while I Nick was bringing
>> me his, the model hit the side of the "slot" and slid down from around 30'
>> to the level of the rest of the ceiling, which is about 22'. I was able to
>> catch it with the pole to keep really bad things from happening, but that
>> much altitude loss really hurts the stopwatch. Unfortunately, that was the
>> first and last time that session that I was able to get above 18' on the
>> second climb because I couldn't get the model to start its second climb
>> until after 10 minutes, which is waaay too late with the setup I'm using.
>> Still worse, I found out later on that the hub bearing is getting sloppy,
>> allowing the prop to drop to a lower than intended pitch around 19-20
>> minutes, which really damages efficiency.
>> >
>> > -Joshua Finn
>> >
>> > Good flying,
>> > Joshua Finn
>> >
>>
>>
>
>
Received on Tue Feb 12 2013 - 19:23:43 CET