Gp Rv-4
#1
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From: Fort Morgan Colorado
I have started building an RV-4, anyone have any helpful building tips? Also has anyone flown one of these planes? I would kind of like to know what to expect.
Thanks Scott
Thanks Scott
#3

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Yes, I loved building this bird - and it flys GREAT! There is a bit of confusion concerning the location of the last former in the fuse....go by the plans as the slot(s) in the fuse are 1/8" off.
Also follow the directions, especially when building the fuse sides. Follow the directions - ha ha - I ALWAYS have a hard time reading those blasted things
Be sure to include flaps - they are COOOOOOL and can effect the flight! All to the good for sure<g>....
Hope you enjoy building yours as much as I did mine - if you have any questions, give me a shout!!!
Jerry
Also follow the directions, especially when building the fuse sides. Follow the directions - ha ha - I ALWAYS have a hard time reading those blasted things

Be sure to include flaps - they are COOOOOOL and can effect the flight! All to the good for sure<g>....
Hope you enjoy building yours as much as I did mine - if you have any questions, give me a shout!!!
Jerry
#4
I built this plane and it was really straight forward. I built everything by the book and it came out nice. I included flaps and I flew it with a saito 56. It was a great combination. This plane flys like a low wing trainer. It got old fairly quick so I sold it to KingAirJockey here on RCU. I hope he is having fun with it!
#15
I have just completed my RV-4. It was a joy to build. The wing went together easily. The only thing I did not enjoy the trailing edge process but it worked fine in the end. I was going to modify the flaps to work off a single servo, but opted for two mini's in the end.
I am going to do the first flight this weekend weather permitting.
I am going to do the first flight this weekend weather permitting.
#18

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From: Jacksonville, FL
I dont know what happened. The RV-4 was on its 3rd flight, winds at 15-20knts, and went deadstick about 30 ft up. I banked downwind to base and the RV-4 stalled out on its right wing and went straight in. Not enough airspeed or elevator to get it level. I did level the wings before it hit on its nose. It broke the engine box area completely off, broke the wing spar and tail. it was a total loss.
#20
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From: Fort Morgan Colorado
Thanks to ALL replys.
Man I would be happy if my RV-4 comes out 1/2 as good as some of the pics on here, I am having problems getting the cowl straight, the instructions say to add body putty , but wont this add alot of nose weight?
Thanks Guys for all your input
Bushmaster99
Man I would be happy if my RV-4 comes out 1/2 as good as some of the pics on here, I am having problems getting the cowl straight, the instructions say to add body putty , but wont this add alot of nose weight?
Thanks Guys for all your input
Bushmaster99
#22
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From: Fort Morgan Colorado
Ok Guys
I have come to the point where I have to decide FLAPS or NO FLAPS, If I go with flaps this will be a first for me , I need someone to make up my mind!!!!
Thanks Scott
I have come to the point where I have to decide FLAPS or NO FLAPS, If I go with flaps this will be a first for me , I need someone to make up my mind!!!!
Thanks Scott
#23
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From: tucson,
AZ
You really don't need them on an airplane with as light a wing loading as the RV-4 has. The real one is the same deal. But the guys who build the full scale ones like the flaps because it gives the plane an amazing range of performance. It's truly a STOL plane that can do 200 mph!
But the model doesn't need to land in 15 feet and it certainly can't do 200 mph so you decide
But the model doesn't need to land in 15 feet and it certainly can't do 200 mph so you decide
#24
Bushmaster, if I were to build another RV-4 I would not build in the flaps. This plane is a floater. The extra weight and cost are not worth the effort. The look great but is not needed.
I love the way this plane flys. I am having trouble stopping bounces on landing. The wing is so low to the ground on landing there is lots of ground effect.
I love the way this plane flys. I am having trouble stopping bounces on landing. The wing is so low to the ground on landing there is lots of ground effect.



