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CMP Cessna 182 "40Size" on floats - 6/17/2004 4:57:00 AM   
richardclausen


 

Posts: 40
Joined: 12/23/2003
From: Hong Kong, HONG KONG
Status: offline 		Hello

Could anyone who has experiance with float planes please help me?

I have ordered the CMP 182 Cessna ARTF fom China. Its going to cost me USD 90-00!

1: Is this a good price?
2: What floats should I buy for it? (Ill be flying off the ocean-Salt!)
3: What engine. I have the OS FS 70 Ultimate 4 stroke at 1.2 Bhp [2000-12000rpm] Will this do?

4: This will be my first float plane! Is this a good starter, or should I go for a Cub?
5: Does anyone have reading info on how floats should be attached in detail (IE: Riggers angle etc)

6: Where can I find TECHNIQUES for float flying...Im sure its different from runways. (Ie: Do i need back stick whilst rotatin?)

I realy need hepl ASAP if you would please be so kind.

(PS: I would like to have a finnished product like the Cessna on floats in the picture. This chat has done great job!)

Thanks

Richard

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       Post #: 1

RE: CMP Cessna 182 "40Size" on floats - 6/17/2004 8:24:39 AM   
KingSalomon



Posts: 165
Joined: 1/1/2004
From: FAIRMONT, MN, USA
Status: offline 		http://www.rcuniverse.com/forum/Tips_for_first_time_on_floats/m_1864228/tm.htm

there is a lot of info on this topic in other threads... try a search...


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RE: CMP Cessna 182 "40Size" on floats - 6/18/2004 12:30:48 AM   
JimCasey



Posts: 1572
Joined: 3/4/2002
From: Cookeville, TN, USA
Status: offline 		Richard,
I have seen Japanese websites where they appear to be flying from salt water. It can be done.

Do everything you can to protect your plane from corrosion. The 4-stroke engine does not purge its bearings with fuel/oil mix as a 2-stroke does, so you should oil the crankcase breather nipple with corrosion inhibiting oil after every flying session. Mount your switch intrnally to be actuated by a pushrod, and mount all your radio equipment away from either the bottom or the top of the radio compartment so it will not get wet if there is a little water sloshing around..

We have in the US a product called "corrosion-X" that protects bearings and circuit boards from salt water. perhaps you can get that in HongKong. At least seal the wing saddle with silicone or petroleum jelly.

Floats: SF (japan) Make a nice set of molded (Or "moulded" if you prefer) plastic floats. Or you can cut your own from styrofoam. Search for Randy Linderman's website for instructions. An excellent reference regardless. Go there before you buy floats..

Techniques: Amazingly similar to flying with wheels. except you have no brakes. Taxi with full UP elevator. If you chop throttle to slow idle, the plane will point into the wind. If you advance throttle 4 clicks, it should establish a steep angle on its bow wave and head off ldownwind. In between those throttle settings, you can crosswind taxi while steering with throttle, but be careful to hold the upwind wing down with aileron. The other difference from flying with wheels is that it's bloody inconvenient to walk out to retrieve your plane unless we are about to establish a religion in your name.....

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http://www.smilesandwags.com/Floats.html

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RE: CMP Cessna 182 "40Size" on floats - 6/18/2004 2:55:08 AM   
richardclausen


 

Posts: 40
Joined: 12/23/2003
From: Hong Kong, HONG KONG
Status: offline 		Jim great reply, thankyou.

Ive just had a look at the website, its great. Another thing ill do is put thr reciever inside a condom! The locals here say that works. You just use a zip tie to make it water tight. At least this way if I crash and the flane breaks up ill be scrwed byt at least protected...Excuse the pun

I got some Q20 H20 resistant oil, is this good enough?

Could I ask you 1 more question?

Riggers angle? what should it be? I believe if it is set at zero, the aircraft will just be a high speed boat. When you sinaly have enough speed the plane shoots off the water & pitches up vilently.

Any ideas?

Thanks Jim

Rich. Im in Australia till Monday so ill only reply after that. Later!

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       Post #: 4

RE: CMP Cessna 182 "40Size" on floats - 6/19/2004 3:04:11 AM   
JimCasey



Posts: 1572
Joined: 3/4/2002
From: Cookeville, TN, USA
Status: offline 		Although there is debate surfacing recently on that topic, all the published "experts" I have been able to find stipulate that with the float tops level, the wing should have 2-4 degree positive incidence. The step of the float should be slightly aft of the balance point. This corresponds both to published guidelines and to my own experience.

With inadequate incidence, taxiing can be the dreaded high-speed airboat ride. Positive incidence lets you rotate enough on the float step to establish takeoff attitude.

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RE: CMP Cessna 182 "40Size" on floats - 8/4/2004 5:34:45 AM   
shook2000


 

Posts: 12
Joined: 6/24/2004
From: Bronx, NY, USA
Status: offline 		I know this is a bit off topic but does anyone know the cmp website?

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RE: CMP Cessna 182 "40Size" on floats - 8/4/2004 12:59:40 PM   
antslake



Posts: 393
Joined: 8/3/2003
From: Greenwood Lake, NY, USA
Status: offline 		I used to water proof my recievers when I ran boats by sticking the reciever inside a balloon.
Just spread it open, and stick it in. Zip tie the wires, then fold the excess back over, and zip tie again.

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RE: CMP Cessna 182 "40Size" on floats - 8/13/2004 10:04:05 AM   
richardclausen


 

Posts: 40
Joined: 12/23/2003
From: Hong Kong, HONG KONG
Status: offline 		Here is my cessna finaly. Finnished!!!!!

Rich

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RE: CMP Cessna 182 "40Size" on floats - 8/14/2004 8:48:35 PM   
Wile E



Posts: 184
Joined: 3/31/2003
From: Ferndale, MI, USA
Status: offline
quote:

ORIGINAL: richardclausen

(PS: I would like to have a finnished product like the Cessna on floats in the picture. This chat has done great job!)

Thanks

Richard


That's my Great Planes Cessna 182 in your last photo! Glad I could be of help. Looks like yours is set up very well and should have no problems on the water. Happy flying.
Wade

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RE: CMP Cessna 182 "40Size" on floats - 8/16/2004 12:57:04 AM   
richardclausen


 

Posts: 40
Joined: 12/23/2003
From: Hong Kong, HONG KONG
Status: offline 		Hi Wade, Rich here. Wherte did you get the Aluminium 3 blade spinner from? Im using a 13/8 prop, but am unable to source the correct spinner. Did u make it?

Your bird looks fantastic. Do you have any video of it flying?

Ill send you some of mine when I have it.

If you havent got a server & want to put video on the web, Ill put it on mine if you want. Im looking for flying videos for my site.

www.wwmonline.com

Later Wade

Rich

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       Post #: 10

RE: CMP Cessna 182 "40Size" on floats - 8/16/2004 1:01:22 AM   
richardclausen


 

Posts: 40
Joined: 12/23/2003
From: Hong Kong, HONG KONG
Status: offline 		Wade, another question? Where is your C of G? Mine is at 70mm. Somene here in HK told me that the plans C/G is too aft. Another Question, is does your cessna 182 tip stall easily? THe guys here recon that I preset the ailerins up 2 degreas so as to reduce the Angle of attack at the tips?

Do you agree?

Rich

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       Post #: 11

RE: CMP Cessna 182 "40Size" on floats - 8/26/2004 10:39:59 PM   
jeffo


 

Posts: 139
Joined: 12/8/2003
From: new baltimore, MI, USA
Status: offline 		Richard-The chord is 230 mm 25%=57.5 or 30%=69
If I were you I would set it up around 65 mm. Better to be a little nose heavy.
I have one that I am assemblying and for me this stuck out like a soar thumb.
Good luck and keep me posted because i also am putting mine on floats.

(in reply to richardclausen)
       Post #: 12

RE: CMP Cessna 182 "40Size" on floats - 8/29/2004 6:52:36 AM   
richardclausen


 

Posts: 40
Joined: 12/23/2003
From: Hong Kong, HONG KONG
Status: offline 		I tried 65mm, and she was still tail heavy. She flew for 1 minute before going into an uncontrolabble dive. Pitty, well thats how this hobby goes.

Rich

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