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RES-Eagle Glider RCME March 2018

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Ton van Munsteren13/04/2018 17:33:49
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Thats great and look forward to see some pics of your RES-Eagle.

Ton

_AL_29/05/2018 13:48:57
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8 photos

Ton,

What wing section(s)did you use on this?

Regards.

Al

Ton van Munsteren29/05/2018 21:24:53
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Hi Al,

Its a AG36.

Ton

_AL_30/05/2018 07:55:11
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Thanks.
I may just have to build one of these.

Al
Ton van Munsteren30/05/2018 22:41:23
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And Iam sure you will enjoy flying with the RES-Eagle.

What else can I say than go for it.

Ton

Edited By Ton van Munsteren on 30/05/2018 22:49:03

buster prop08/11/2019 10:53:27
471 forum posts
9 photos

I went for it - and ordered a kit from SMC which was delivered yesterday. It contains an enormous rolled plan and a lot of wood with C/F spars. Apparently the diameter of spars in the outer panels has been increased because of reported flutter when launching. Can’t do any harm for a tiny weight increase. Our club is proposing to hold a comp next summer for 2M F3-RES gliders using a standard bungee. Some others have ordered gliders from Hyperflight but I thought they seemed a bit light for UK conditions. The RES Eagle is a bit heavier than those but with about the same wing loading and a viable wing section, AG36. I also have the March 2018 article and plan which I’ve studied.

buster prop08/11/2019 21:21:22
471 forum posts
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I have compared the two plans and the only change seems to be the tow hook position. Originally (March 2018) it was 73mm behind F03, on the kit plan it is 63mm. CG on both plans is the same, at 90mm behind the wing leading edge above F03. What difference would that make?

Ton van Munsteren08/11/2019 22:09:23
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1281 forum posts
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buster,

Great that you will be building the Res-Eagle and looking forward to some build pics.

For the hook position its not clear to me that its on the RCME located at 73mm, because all my cad drawings show the 63mm position.

Could be that the RCM&E made a small error using 73 instead of 63mm, but it could be better to use the 73mm to have a steeper angle on the climb and to keep the speed down.

The closer the hook to the cg the steeper the model will go up on the line, would be nice to test both if you like.

Cheers, Ton

buster prop09/11/2019 13:04:57
471 forum posts
9 photos

Thanks for replying Ton. I’ll make positions for the tow hook to be fitted at either location then. Front 63mm for windy conditions and rear at 73mm if it’s calm. I was surprised that the present plan includes details to fit a motor, if I wanted another 2M E-Glider I’d have bought the Red Eagle kit instead.

Ton van Munsteren09/11/2019 20:08:49
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1281 forum posts
3301 photos

Its getting more clear now its the modification which RBCkits has done.

The motor on the drawing is because a customer asked RBC to do the mod.

Its not me who did the mod, but I think its a good option to have both, but your right for E-flight the RedEagle would have been a good choice.

Funny when you design a model there is always someone who wants something different.

Great that you selected the Res-Eagle as a glider and Iam sure you will like it.

Cheers, Ton

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