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Cox Engine of The Month
Autogiro-Free Flight
Page 1 of 1
Autogiro-Free Flight
My latest crazy project….Sure Fire Autogiro, By Roy Clough Jr. , 1948….For rubber power free flight….I built the rotor first to see if I could get it working….Already had some plastic props the right size from an old P-30 project…. Never built an AG before… Thought it might be fun to experiment with
https://outerzone.co.uk/plan_details.asp?ID=6677
https://outerzone.co.uk/plan_details.asp?ID=6677
rdw777- Diamond Member
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Posts : 1553
Join date : 2021-03-11
Location : West Texas
Re: Autogiro-Free Flight
I like that Robert!!! I started designing one for Cox .049 reed-valve/control-line called the "Rodd-O-Gyro".. but it's been on the stove's back-burner for the last few years.
Not too many people have posted about these.. so I am very interested in how yours works out!
Not too many people have posted about these.. so I am very interested in how yours works out!
Re: Autogiro-Free Flight
Thanks Roddie, We’ll see how it goes!!!….There’s and handful of control line Autogiro’s in OZ including a couple by the same designer of the one I’m building….. So they have have been popular at one time or other as well….. With your design skills I’m sure you could produce a very nice AG….Maybe your interest will rekindle?…..Would like to see what you’re thinking
rdw777- Diamond Member
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Posts : 1553
Join date : 2021-03-11
Location : West Texas
rdw777- Diamond Member
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Posts : 1553
Join date : 2021-03-11
Location : West Texas
Re: Autogiro-Free Flight
Oh man... those flames look HOT!!!
The CEF thread-link to my design is in the RED text "Rodd-O-Gyro"
rdw777 wrote:Thanks Roddie, We’ll see how it goes!!!….There’s and handful of control line Autogiro’s in OZ including a couple by the same designer of the one I’m building….. So they have have been popular at one time or other as well….. With your design skills I’m sure you could produce a very nice AG….Maybe your interest will rekindle?…..Would like to see what you’re thinking
The CEF thread-link to my design is in the RED text "Rodd-O-Gyro"
Re: Autogiro-Free Flight
Thanks for pointing out the link Roddie, I missed it first time around …. Nice innovation on your AG!!….Great job on dreaming it up from scratch…. Lots of adjustments possible, Always a good thing on any model IMO….The video on Pg 3 shows how possible CL - AG’s can be…
Part of this experiment is using Duco cement thinned with acetone as a dope to seal and to apply the trim on the fuse….Seems to work just fine in this application …. however wouldn’t be fuel proof since it is nitrate based…,The rotor is just spray paint..
Part of this experiment is using Duco cement thinned with acetone as a dope to seal and to apply the trim on the fuse….Seems to work just fine in this application …. however wouldn’t be fuel proof since it is nitrate based…,The rotor is just spray paint..
rdw777- Diamond Member
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Posts : 1553
Join date : 2021-03-11
Location : West Texas
Re: Autogiro-Free Flight
First outing for the Sure Fire AG was a Backfire lol… Three short flights and rolls pretty strong to the right…. I think I have the rotor blade spars TOO floppy…. One of the photos shows how much that side was flexing (and loosing lift)…..Plus it was a little breezy… I’ll repair and stiffen the spars a little before next try…. The good thing about rubber power though, It’s cheap to experiment with…
rdw777- Diamond Member
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Posts : 1553
Join date : 2021-03-11
Location : West Texas
Re: Autogiro-Free Flight
Not free flight but control line. https://www.facebook.com/photo/?fbid=880251596397800&set=pcb.880251706397789
My buddy Dan has this Otto the Gyro powered with a Fox .35. Dan has relinquished this plane to dirt ball status. He wouldn't take no for a answer when told it couldn't stunt. The plane is now destroyed. It was certainly neat to watch.
My buddy Dan has this Otto the Gyro powered with a Fox .35. Dan has relinquished this plane to dirt ball status. He wouldn't take no for a answer when told it couldn't stunt. The plane is now destroyed. It was certainly neat to watch.
Ken Cook- Top Poster
- Posts : 5591
Join date : 2012-03-27
Location : pennsylvania
Re: Autogiro-Free Flight
Hopefully you can get the turps figured out and out fling again soon , You got to love trial and error
getback- Top Poster
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rsv1cox- Top Poster
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Posts : 10993
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Re: Autogiro-Free Flight
Roberto, what a good job, you always apply dedication and you are very neat. Your works are admirable.
I'm keeping an eye on the progress!
I'm keeping an eye on the progress!
MauricioB- Top Poster
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rdw777- Diamond Member
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Posts : 1553
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Location : West Texas
rsv1cox- Top Poster
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Re: Autogiro-Free Flight
It looks like you masked it with tissue? Got to be tissue in there someplace.
Yes Sir, You have me figured out!! LOL!!!…. Tissue trim works good for me on small models…. Cheap, light, and easily repairable….Steps on how I generally produce these…
A piece of tracing paper over the plan to draw the shape I want for side and top view…
Tissue folded in half (to produce two pieces mirror image if needed) and placed inside a folded newspaper …
The drawing is taped to the top of the folded newspaper/tissue stack….
Cut thru it all on a sheet of glass…. The glass preserves the knife’s tip…. The layers of newspaper prevent the knife from catching and tearing the tissue ….
The trim pieces are attached by flowing thinner thru them on the pre doped surface… A couple of thin coats of dope on top to seal…
rdw777- Diamond Member
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Posts : 1553
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Location : West Texas
rsv1cox- Top Poster
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Re: Autogiro-Free Flight
Hi Robert, I continue to admire your craftsmanship. Best of luck with future flights!
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