[orcachat] Re: Lifting contest

  • From: Tom Speer <me@xxxxxxxxxx>
  • To: orcachat@xxxxxxxxxxxxx
  • Date: Tue, 17 Sep 2019 11:26:04 -0700

Yes, larger diameter wheels would help.  I'm thinking they could be housed in Northrop Gamma style fairings.  The wheels could be heavy and the fairings hold ballast, too.

Based on the 4+ lb gross weight that's flown with the stock wing (from a paved runway), I'm thinking we may be looking at a 10+ lb plane.  I'm starting to wonder where we can put all that weight.

Cheers,

Tom

On 9/17/19 11:14 AM, Jake Boyd wrote:

Perhaps very low drag but large diameter wheels would help  8” to 10” diameter perhaps.

Any thoughts?

Jake



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On Sep 17, 2019, at 10:52, Tom Speer <me@xxxxxxxxxx <mailto:me@xxxxxxxxxx>> wrote:

In this case, I'm more concerned with takeoff than landing.  I don't think we can get a heavily loaded Mini-Apprentice to take off on our grass runway.  It is hard enough as it is to get the plane to roll at its light weight.  I'm also concerned that, even with the east alders removed, we won't have a clear path to depart after takeoff.  But rolling is the biggest problem.

I see two solutions.  One is to go to another venue to make the loaded flights.  I've not been to the Chimicum field, yet, but while I've heard it is windy there, they may have a smoother runway and more open flying area. There are probably other fields in the area that have paved or geotextile surfaces.

The other solution is to put down a smoother surface on our runway.  We decided not to go with a geotextile surface because of the cost, but I am going to look at Home Depot to see what they might have in way of a cheaper alternative.  We don't need something that will last, and we don't need it to be wide enough to land on.  It just needs to be something we can put down for loaded takeoffs and then pack up at the end of the day.

Cheers,

Tom

On 9/16/19 4:41 PM, Thomas Condon wrote:
Tom,

Don't have runway envy.  Tarmac runways do much more damage on a rough landing than grass!


The Other Tom!

On Sep 16, 2019, at 12:40 PM, Tom Speer <me@xxxxxxxxxx <mailto:me@xxxxxxxxxx>> wrote:

I have runway envy!

It's clear we will need provision for a lot more weight than will fit inside the wing.  Probably a ballast box like they have, and maybe some ballast boxes out on the wings, too.  I'm thinking Northrop Gamma style wheel pants that come down from where the tail booms mount.

Cheers,

Tom

On 9/16/19 12:18 PM, Paul Below (Redacted sender paulbelow for DMARC) wrote:
https://www.facebook.com/564421820361041/posts/1622695037867042/?sfnsn=mo

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