RE: Hydro-Foam by Michael Connally  
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All Forums >> Electric Aircraft Universe >> Electric General Discussion >> RE: Hydro-Foam by Michael Connally
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RE: Hydro-Foam by Michael Connally - 2/2/2006 6:29 PM   
Matt14x


 

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Status: offline 		Alfips
Sorry
Thunder Power 900 mah 11.1 vdc.

That was a quick respanse. May I ask if you are retired ?

Matt

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RE: Hydro-Foam by Michael Connally - 2/2/2006 7:15 PM   
aflipz


 

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Status: offline 		nope just a day off and happen to be in and out, hovering in front of my pc between charges.

a 900mah tp pack is good for 10 amps continuous, 14 amp bursts if i am not mistaken. I like to keep my static wot around 10 amps on this one, for ground operation i find myself using a lot of wot

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RE: Hydro-Foam by Michael Connally - 2/2/2006 7:53 PM   
coops1


 

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Status: offline 		my hydrofoam weighs 13ounces dead and wouldn't take off with a rewound 22.7 mm brushless outrunner and a 9x4 prop ( I rewound it myself with 26 gauge wire and 14 turns on a 12 tooth stator) so i thought i had made the motor very torquey as it wasn't even getting warm! so i fitted a 10x7 prop and it flew along the ground very fast. So then i tried a take off and it flew up in the air only for me to lose control and crash it nose first breaking a sponson off!!
Anyway it is all fixed now and ready to go again, but what i need to know is will I ruin the battery, by running it with too big a prop? as the motor is now getting warm but it does seems to pull the hydro up nicely. The battery is a 1100 3 cell 10-12c and I have a 30amp esc the motor is a 12 tooth stator 14turn outrunner anyone have any ideas?




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RE: Hydro-Foam by Michael Connally - 2/2/2006 8:10 PM   
Matt14x


 

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I fly my foamie with T.P. 1350mah, 12c discharge and they get pretty warm, might even say hot !! I"m draining them at 14 amps (aprox).The first li-po died at 2yrs. but other one is still good at 21/2 years. I also have Electrifly 1500 mah,11.1vdc, 8c discharge, at aprox. 2yrs. old uner the same load and they get just as warm.

I read somewhere that the life of a li-po depends on the number of times they are charged and discharged at what temp..This is also why I like winter flying.

Questions:

Whot does your 1100 li-po weigh, and what brand is it?
Do you have a webisite adress for Thunder Power? When I search www.thunderpower.com.,I get RC. groups.

I"m retired. I know it"s legal, but it"s so much fun, it just might be "sinful"

Matt
ama 10411

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RE: Hydro-Foam by Michael Connally - 2/2/2006 8:16 PM   
aflipz


 

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Status: offline 		Oh, my 1320 is a pro lite, good for 17 amp bursts so i doubt it'd be an issue in the mho I have a plane that i setup to use 16 amps wot static but it's so darn fast i'm hardly ever past 3/4 throttle... My 900 barely gets warm at 10-11 amps, plus i harrier it a great deal and that must be using about 4-6 amps tops.


lithium polymer packs don't like to be fully discharged, we all know that. but also the least you drain from it in each cycle the more it will do, exponentially... I try to go about 70-80% (guestimate) I never hit my lvc and as soon as i feel the slightest decrease in performance (when i do punch it to climb) i land, cool off and charge the pack.

i'm only 29 so not retiring just yet, would be nice though, i know what i'll be doing!

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RE: Hydro-Foam by Michael Connally - 2/2/2006 8:26 PM   
coops1


 

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Status: offline 		I don't know the make of the battery there is nothing written on it but it weighs 65grams.
My motor gets warm but not hot and the battery pack stays quite cool does this usually mean it is ok? would it get hot if it was drawing too many amps?




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RE: Hydro-Foam by Michael Connally - 2/2/2006 9:49 PM   
L0stS0ul



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Status: offline 		The prolite is actually much better than that. From TP's website for the TP Prolite 1320mAh 11.1v lipo
Rating: 13C (17A) continuous, 20C (27A) burst

On my setup the Purple Peril pulls about 15 amps WOT on the bench with the 8040 prop. This should unload to about 11-12 amps in the air which the PP should be good to.

It's really a good idea to get yourself a wattmeter and be able to test your setups. It's not a good idea to guess on these things.

< Message edited by L0stS0ul -- 2/2/2006 9:50 PM >

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RE: Hydro-Foam by Michael Connally - 2/2/2006 9:59 PM   
aflipz


 

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quote:

ORIGINAL: L0stS0ul

The prolite is actually much better than that. From TP's website for the TP Prolite 1320mAh 11.1v lipo
Rating: 13C (17A) continuous, 20C (27A) burst

On my setup the Purple Peril pulls about 15 amps WOT on the bench with the 8040 prop. This should unload to about 11-12 amps in the air which the PP should be good to.

It's really a good idea to get yourself a wattmeter and be able to test your setups. It's not a good idea to guess on these things.


yeah what he said... i just checked. I still like to load well below the maximum rated capacity if weight is not critical because they are more efficient at lower loads and provide longer flights. plus a phoenix 10 is rated 10 continuous 15 burst with ventilation (bursts should be 5 sec or less and 1 minute appart) We don't have that great ventilation and so i feel safe at 10-12 amps wot static...


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RE: Hydro-Foam by Michael Connally - 2/2/2006 10:06 PM   
aflipz


 

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Status: offline 		Oh and i flew a total of 4 packs today, it was great! For the first 5-6 flights with this thing i was only using my 900mah tp and i only have one of those. I tried one of my 1320's and it works great i have no problem 3d'ing with it. I have two of those so i can basically head out to the field with 3 fully charged lipos and stay there for a really long time. I only "discovered" my 1320's this afternoon.

I didn't time any of my flights so far, but i'd say 10-12 minutes with a 900mah pack and 14-17 minutes with the 1320. Do note that i like to manage my throttle considerably, you may not get 1/2 that much if you waste power.

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RE: Hydro-Foam by Michael Connally - 2/2/2006 10:14 PM   
Matt14x


 

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That is a very good question. I hope it gets many responses. Not many fly elect, in my club,thus, my knowledge comes from these threads and experience. I thought bat. and mtrs. getting very warm after eigh min. flights was in the norm and in specs..Some one please advise.

Lost
Please send me the web site adress of ThunderPower.
Did you lighten your mho much more??

Matt



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RE: Hydro-Foam by Michael Connally - 2/2/2006 10:52 PM   
L0stS0ul



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Status: offline 		Nope mines still weighing in at 15.55oz flight ready. Kinda sucks but hey the video proves that it flies. Once I covered up the holes I made and gave it some right thrust it flew quite well. 3d really suffered and ground handling was quite interesting but it works. I'm sure on the water it will handle much better than grass. On hard top or baseball diamond it turns very sharp. Just has problems on grass.

Thunderpower website with all the data on the packs

http://www.thunderpower-batteries.com/html/batteries.html

As far as warmth goes... My pack gets warm to the touch. It's only unloading at problem 8 or 9 amps during most of the flight. This is not a plane that requires full throttle for anything other than punching out. Even with as heavy as mine is it hovers at just a hair above full throttle.

I'm using the CoolRunnings A-12 speed controller and it is not even warm to the touch when I get done flying. The motor has a little warmth to it but not much. The pack is definitally the warmest thing. Now if you are using the CC 10 speed controller you definitally will want to add some cooling for it.

< Message edited by L0stS0ul -- 2/2/2006 10:55 PM >

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RE: Hydro-Foam by Michael Connally - 2/3/2006 12:09 AM   
Matt14x


 

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Tanks for your response. I always fiown my foamies at nine-tenths speed, and everything got hot. But after reading elect. stuff on RCU I bought a multi-meter for my li pol and a postal scale. My LHs sold me alot of the wrong stuff, and I trusted them. I"ll be building alot different now on all my birds , thanks to you guys , mho and RCU.

Coot
Thanks for the adress. My mho cg is at the spar due to my heavy mtr. and esc. Thats why I"m looking at a smaller bstt. I though your bird flew well in the vid. I believe you are a darn good pilot, or your scale is lying. Also I think you should move your mtr. out 1/2" and go to a smaller batt.. It"s an easy job. an you can always put it back. Aflipz had a good idea.

Matt

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RE: Hydro-Foam by Michael Connally - 2/3/2006 12:12 AM   
wave waker


 

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Status: offline 		thanks lostsoul for the reply....

_____________________________

losi,warhead,dirtbike,,HTB360-2 ,HS Dumas,Nitro hammer, H&M Tunnnel,hydrofoamie,nomadio sensor,cat31,OB SW36

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RE: Hydro-Foam by Michael Connally - 2/3/2006 2:15 AM   
aflipz


 

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quote:

ORIGINAL: Matt14x

Aflpiz
Tanks for your response. I always fiown my foamies at nine-tenths speed, and everything got hot. But after reading elect. stuff on RCU I bought a multi-meter for my li pol and a postal scale. My LHs sold me alot of the wrong stuff, and I trusted them. I"ll be building alot different now on all my birds , thanks to you guys , mho and RCU.

Coot
Thanks for the adress. My mho cg is at the spar due to my heavy mtr. and esc. Thats why I"m looking at a smaller bstt. I though your bird flew well in the vid. I believe you are a darn good pilot, or your scale is lying. Also I think you should move your mtr. out 1/2" and go to a smaller batt.. It"s an easy job. an you can always put it back. Aflipz had a good idea.

Matt



that is allmost allways the case, many hobby shop owners have great knowledge of nitro but have no personnal interest in electric so they don't bother learning... You need to know what you want/need before you buy don't trust them...

this guy is awesome, ONLY electric, big and small.

www.icare-rc.com



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RE: Hydro-Foam by Michael Connally - 2/3/2006 3:02 AM   
Matt14x


 

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Status: offline 		Thanx Aflipx

I wish I was 2 1/2 years smarter than I was 2 1/2 years ago. I bought three li-po batts. too small, discharge wise, that I have use for. Thats big bucks for me!!!

Matt



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RE: Hydro-Foam by Michael Connally - 2/3/2006 4:58 AM   
aflipz


 

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Status: offline 		what kind? i'm in the market for some really small 2 cells

try selling them off in classifieds on rcu

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RE: Hydro-Foam by Michael Connally - 2/3/2006 5:51 AM   
Matt14x


 

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I can"t read the brand,covered with velcro, but I remember they are 1500 mah,11.1 vdc, 8c. I wouldn"t sell them. they are 2yrs. old, and have really been abused.

Matt

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RE: Hydro-Foam by Michael Connally - 2/4/2006 4:32 AM   
c/f


 

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Status: offline 		If they had been Thunder Power even at two years old they would be worth a 50% price of new ones at current technology.

I only by TP for this fact over two years I have sent in GEN I GEN II and I get newest Pro Lite packs for 50%.

I send them in with my credit card number and a memo stating packs suffer performance issues, repair/replace price not to exceed 50% of new one. DONE deal I allways get new ones, This is quite a liberal warranty, some complain that the TP warranty is vague with no time stamp. I like it this way it works in my favor.........

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RE: Hydro-Foam by Michael Connally - 2/25/2006 1:10 AM   
Capt G



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Status: offline 		It flys. Test flight on mine (red) and my buddies.Both flew great. I will put a stiffener CF rod across the front though. Sponsons are kinda' flexy.

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RE: Hydro-Foam by Michael Connally - 2/25/2006 4:31 AM   
Van


 

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Status: offline 		Congrats Greg...looks great. I hope to maiden mine this Sunday at the school yard. I either lost or didn't get the front c/f spar with mine so ended up replacing it with a little larger c/f tube. I noticed some 'flexy' on the sponsons, but it appears to be more from where the tube ends, not flex on the tube itself.

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RE: Hydro-Foam by Michael Connally - 3/1/2006 2:32 AM   
solucky


 

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Status: offline 		Hello everyone,

Check out our website at www.realhydrofoam.com. Our hydrofoam comes assembled and ready to fly right out of the box, unlike the others out there.

Enjoy.

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RE: Hydro-Foam by Michael Connally - 3/1/2006 2:39 AM   
Capt G



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Status: offline 		Do you sell the plane without all the other stuff?

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RE: Hydro-Foam by Michael Connally - 3/1/2006 11:44 AM   
polstery


 

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Status: offline 		solucky, $50 shipping is a little unreal don't think, that better be next day service

< Message edited by polstery -- 3/1/2006 11:45 AM >

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RE: Hydro-Foam by Michael Connally - 3/1/2006 12:59 PM   
Mayday!Mayday!



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Status: offline 		Polstery, I agree. Thats a chunk of change for shipping.

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RE: Hydro-Foam by Michael Connally - 3/1/2006 3:01 PM   
solucky


 

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Status: offline 		The dimension of packing box is 72x50x25cm and the weight is approximately 3 kg. Did you read the FAQ's on the website? Maybe you should. That is why the shipping cost is 50 as you can see the box is large. You also have to realize that the hydroplane comes already assembled which includes the remote control, the propeller, adapter etc. It comes in one piece.


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