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Search: Posts Made By: Mel Francis
Showing results 1 to 25 of 325
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Forum: Scratch Building, Aircraft Design, 3D/CAD
08-30-2005, 01:08 PM
Replies: 8
Views: 1,909
Posted By Mel Francis

RE: Hurriacane Katrina

Dick, I sent you a PM
Forum: Scratch Building, Aircraft Design, 3D/CAD
08-29-2005, 01:07 PM
Replies: 8
Views: 1,909
Posted By Mel Francis

RE: Hurriacane Katrina

OUCH!

I watched the online satellite views this morning, as the eastern quadrants of Katrina's eye passed right over the western shore of Bay St. Louis, Dick.

I'm glad you all made it to...
Forum: Scratch Building, Aircraft Design, 3D/CAD
08-27-2005, 10:08 PM
Replies: 2
Views: 659
Posted By Mel Francis

RE: Hurricane Katrina

Good luck, Dick.

When I saw the storm's latest direction, I thought of you and that expanse of water out front of your place.

Here's hoping that you, Nadine and all those great models make...
Forum: Composites Fabrication And Repair
05-22-2005, 10:59 AM
Replies: 1
Views: 933
Posted By Mel Francis

RE: west systems epoxy

If there's a West Marine outlet close to you, you'll find everything you need, quite easily.

Here's the link to their online catalog: http://www.westmarine.com/ insert the keyword -west system...
Forum: Aerodynamics
05-19-2005, 10:15 AM
Replies: 6
Views: 2,489
Posted By Mel Francis

RE: Custer Channelwing

Thanks for this additional information.

Gremlin mentioned vibration and with your additional input, I can see how the harmonics from partially shrouded props could destroy the basic structure,...
Forum: Aerodynamics
05-16-2005, 03:19 PM
Replies: 6
Views: 2,489
Posted By Mel Francis

RE: Custer Channelwing

Thanks for the input!

I received the link over the weekend, with a suggestion that we should attempt a flying model, but thought it needed a bit more research first.

If we do attempt it, it...
Forum: Aerodynamics
05-16-2005, 10:44 AM
Replies: 6
Views: 2,489
Posted By Mel Francis

Custer Channelwing

A friend sent me this link to an interesting site: http://www.custerchannelwing.com/02_history.html

The design uses the prop airflow over the wing channels to produce static lift, enough to...
Forum: Giant Scale Aircraft - 3D & Aerobatic
02-10-2005, 11:57 AM
Replies: 2
Views: 711
Posted By Mel Francis

Giant scale aircraft photos

I got this link from the crash threads. Great shots of some outstanding planes at a European meet last year. http://www.rcflug.de/galerien/lf2004/lf2004.html
Forum: Composites Fabrication And Repair
01-07-2005, 12:58 PM
Replies: 1
Views: 1,019
Posted By Mel Francis

RE: Carbon Fiber Tubing

Here's a good source- http://www.dragonplate.com/ecart/product.asp?pID=20&cID=19
Forum: Composites Fabrication And Repair
10-06-2004, 05:27 PM
Replies: 10
Views: 2,375
Posted By Mel Francis

RE: Composite wing repair

Ive done peel tests with this flexible epoxy-based adhesive, and it bends a long way before peeling loose.

It's more expensive than the same volume of straight epoxy with cabosil, but one...
Forum: Composites Fabrication And Repair
10-05-2004, 05:23 PM
Replies: 10
Views: 2,375
Posted By Mel Francis

RE: Composite wing repair

The wing tube was not part of the weight.

This wing has both inner and outer flaps and ailerons, so that's the weight of the complete, fully hinged assembly, including 3 servo covers.

This...
Forum: Composites Fabrication And Repair
10-04-2004, 10:01 AM
Replies: 10
Views: 2,375
Posted By Mel Francis

RE: Composite wing repair

This wing is from a small UAV project that I worked on with Jim Prouty, earlier this year. He's hoping to secure a gov. contract for the planes.

Here's a shot of the same aircraft after the wing...
Forum: Composites Fabrication And Repair
10-03-2004, 09:35 PM
Replies: 10
Views: 2,375
Posted By Mel Francis

RE: Composite wing repair

Finally, the new, replacement lower skin was bonded into position and the edges were sanded smooth. The adhesive used for all structural airframe bonds is 3M #8551 Panel bonding adhesive, an...
Forum: Composites Fabrication And Repair
10-03-2004, 09:25 PM
Replies: 10
Views: 2,375
Posted By Mel Francis

RE: Composite wing repair

First, the lower skin was removed, by cutting open and peeling the complete lower skin off the bonding strips and ribs. An aluminum wing tube was re-inserted, to aid the return to straightness, and...
Forum: Composites Fabrication And Repair
10-03-2004, 09:19 PM
Replies: 10
Views: 2,375
Posted By Mel Francis

Composite wing repair

Here's an interesting repair, that we managed to pull off, on a composite wing assembly that was damaged in shipment earlier this summer. Otherwise, the wing would have been scrapped, and was able to...
Forum: RC Giant Scale Cars
07-26-2004, 09:28 AM
Replies: 18
Views: 1,098
Posted By Mel Francis

RE: WHY NO NOS?

The belt looks like the weakest part of this design......
Forum: Aerodynamics
07-20-2004, 12:42 PM
Replies: 5
Views: 662
Posted By Mel Francis

RE: Tri-Motor CG

Here's a link to their site, which has some phone munbers for reservations, but they might be able to direct a technical inquiry for you....

http://www.airventuremuseum.org/fordtrimotor/
Forum: RC Giant Scale Cars
07-20-2004, 12:36 PM
Replies: 6
Views: 707
Posted By Mel Francis

RE: drag racing

Here's a link, neb. They should be able to fill you in.......

http://www.quarterscalemtrsports.com/dragrace.htm
Forum: Aerodynamics
07-20-2004, 12:00 PM
Replies: 5
Views: 662
Posted By Mel Francis

RE: Tri-Motor CG

This historic aircraft will be providing rides at the EAA meet this year.

Since you're in Illinois, drop on up for some closeup detail views, and perhaps a ride, too!
Forum: RC Giant Scale Cars
07-05-2004, 03:42 PM
Replies: 163
Views: 26,954
Posted By Mel Francis

RE: 1/4 Dune Buggy in the works

The simplest servo saver that you can make, is a modification to the link that attaches to your servo horn.

Use a slip fitting, like you've seen on some carburetor linkages, where the link is...
Forum: Scratch Building, Aircraft Design, 3D/CAD
07-05-2004, 03:04 PM
Replies: 13
Views: 1,523
Posted By Mel Francis

RE: Lets see your crazy designs!

Flying lawnmowers are definitely in this category.

Got any pics?
Forum: Scratch Building, Aircraft Design, 3D/CAD
07-03-2004, 06:05 PM
Replies: 15
Views: 8,146
Posted By Mel Francis

RE: Horten Go229 Drawings

One of the fastest commands is 'array'.

Nothing beats the addition of 20 or 30 little widgets in the blink of an eye!
Forum: Scratch Building, Aircraft Design, 3D/CAD
07-03-2004, 02:20 PM
Replies: 13
Views: 1,523
Posted By Mel Francis

RE: Lets see your crazy designs!

Here's a crazy one.

Just a set of sketches right now, beginning an actual design study in model form.
Forum: Scratch Building, Aircraft Design, 3D/CAD
07-03-2004, 02:13 PM
Replies: 15
Views: 8,146
Posted By Mel Francis

RE: Horten Go229 Drawings

Don't beat yourself up too much Dick.

The shortest distance between a mental image and three dimensional reality is the straight line of good eye/hand coordination.

People who have a...
Forum: RC Giant Scale Cars
06-27-2004, 04:06 PM
Replies: 71
Views: 39,238
Posted By Mel Francis

RE: Giant scale RC CAR MUST SEE!!!!!!

Thanks for the reply John.

I'm out in the shop watching the Cup race from Sonoma, so I'll send you an e-mail after the race with some info.

I really appreciate your interest, and would like...
Showing results 1 to 25 of 325
 
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