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Official Freewing 90mm F-4 Phantom II Thread
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Hugh Wiedman that's actually awesome and great information, thank you so much! I will be getting the 8S version again in ghost grey as I want to customise her (clearly the F-18 experience wasn't painful enough 😱🤣).
So a few updates, over the lunch hour today (possibly it might have extended to two... but who's counting) with some advice from mister Evan D I moved the battery tray back. I have broken 2 nose wheel pins on perfectly good landings and suspected it was nose heavy. When I measured the CG it was at 172mm which was as far back as I could get the batteries. So I carved out the foam box that the control board stood on, pushed the control board back into the fuselage and it's now at 195mm. The alternative was adding 128 grams of weight to the tail (which I never want to do):
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Originally posted by The43rdHammer View PostHi all,
I'm thinking of getting a second one of these and was wondering if anybody had compared the 8S (which I currently own) to the 6S high performance?
All of my other EDFs are 6S so it would be more convenient to only take 6S batteries with me. I would also estimate the weight saving to be around 350 grams.
Cheers
Andy
Since you're first one is 8S already, I suspect a 2nd on 6S would be a slight disappointment, choice of batteries not withstanding.
For me, upgrading my 2 F-4s to the 12 blade 6S was a huge difference, but then both had the 9 blade 1750Kv outrunner. Another member at our field has an 8S F4, and while mine now seems to perform almost as well, at least getting off on grass and vertical, he may have a faster top end and gets a little more flight time. I get around 4 minutes flight time. I went with 6S only because top end speed is less important to me and because of my total lack of compatible 8S batteries. Just my "less than" 2 cents opinion.
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Hi all,
I'm thinking of getting a second one of these and was wondering if anybody had compared the 8S (which I currently own) to the 6S high performance?
All of my other EDFs are 6S so it would be more convenient to only take 6S batteries with me. I would also estimate the weight saving to be around 350 grams.
Cheers
Andy
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"On weekends when I'm not flying, I hook my two F-4's up to a plow a trench my garden." Thanks Hugh, I'll give that a try. Usually use the wife but she doesn't plough a straight furrow anymore !!
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Got out with my F-4 Blue Angel. First time since upgrading to the 12 blade inrunner. I've been flying my F-4 camo quite a bit with that same fan, so needed to make sure the BA would perform the same. It does, love that fan! Also got a bunch of flights in with the F-16 and F-18 Canadian, both with the same 12 blade inrunner, and my SU-30 with it's upgraded FMS fans. Finally got all my EDF's performing nicely!
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Originally posted by Flamingo View Post
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Originally posted by rickfe101 View PostI just realized I have to paint the tail blue instead of some decal... Same for nose black? I have never had any luck painting foam as the paint comes off with the masking tape. I guess for the tail I can take it off and paint the whole thing, and re-wire the rudder lead... What do you guys do to paint the nose? I guess I could just paint the cone and forget the canopy part... Thoughts?
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I'm sure there are better ways but since I have blue painters tape I use that. I cut small 1/4" wide (or thinner) strips to mask off the areas. If worried about paint I'll stick it to my shirt to remove some stickiness but usually don't. Once I get the outline I tape newspaper to that 1/4" wide strip.
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I just realized I have to paint the tail blue instead of some decal... Same for nose black? I have never had any luck painting foam as the paint comes off with the masking tape. I guess for the tail I can take it off and paint the whole thing, and re-wire the rudder lead... What do you guys do to paint the nose? I guess I could just paint the cone and forget the canopy part... Thoughts?
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Originally posted by Evan D View PostThe BEC puts out 5V, your LiFe is close to 7 full charge. Many have reported landing gear problems and MCBe issues using them but others say no problem...
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The BEC puts out 5V, your LiFe is close to 7 full charge. Many have reported landing gear problems and MCBe issues using them but others say no problem...
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I just purchased the Ultra Performance 8S version. I searched and could not find explicit answer. Is anyone using a LiFe battery instead of BEC? Want to make sure before I plug it in and fry everything.
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Originally posted by themudduck View PostHey Flamingo, guten abend! You mentioned the battery and showed a picture of the Zippy 6200
Many of us are using the Roaring-Top 6250, they perform really well and are somewhat lighter.
I just thought I would show you for comparison:
Zippy 6200: Weight: 835g (including wire, plug & case)
Dimensions: 157x45x60mm
RT6250: Weight 803g (including wire, plug & case)
Dimensions (mm): 154x47x53mm
have 6.2 from August 20 weight 870gr in real
have 6.2 of April 21 weight 890gr
it was worse recently with the so called high capacity ones
have only 10C
HK replied that they do not have influence on actual chemestry😏
unfortunately Europe seems to have sourcing restrictions
or it will get quite expensive, so on rcmotion eu
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Originally posted by Flamingo View Post
With the old stock outrunner, if our grass was wet, it was always a 50-50 proposition if it would get off. Now, nothing stops it!
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Hey Flamingo, guten abend! You mentioned the battery and showed a picture of the Zippy 6200
Many of us are using the Roaring-Top 6250, they perform really well and are somewhat lighter.
I just thought I would show you for comparison:
Zippy 6200: Weight: 835g (including wire, plug & case)
Dimensions: 157x45x60mm
RT6250: Weight 803g (including wire, plug & case)
Dimensions (mm): 154x47x53mm
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