Just about to build an AMD Hawk and wanted some advice on which retracts to fit. The manual shows the all up weight to be around
9.75lbs. Any suggestions? I am based in the UK but I can get items shipped from the US if required.TIA
cheers, Len
Just about to build an AMD Hawk and wanted some advice on which retracts to fit. The manual shows the all up weight to be around
9.75lbs. Any suggestions? I am based in the UK but I can get items shipped from the US if required.TIA
cheers, Len
Ted shuffled out of his cave and grunted these great (and sometimes not so great) words of knowledge:
There are several good manufacturers of retracts. A lot will depend if you want a mechanical or air system. In any case, make sure you get retracts with a 3/16" strut, not the 5/32" strut.
In the air system, both Robart and Spring Air have them with 3/16" struts. The primary difference between the 2 is that in the event air pressure is lost the Spring Air will fail to an open (gear down) position.
In a mechanical system Robart and (I think) Dave Brown have retracts with 3/16" struts.
Hope this is of some help.
There is only one choice IMHO. That is Spring Air. I have used a couple sets for almost two decades now without a single failure. they are well engineered and well built.
Thanks for the info. Any ideas as to which SPRING RETRACTS part number I need for this one? I need a steerable nodewheel BTW.
TIA
cheers, Len
Go to
Paul, Went to that site and really didn't rate it! Nowhere near as good as yours! Couldn't find any sort of details as to whether they were steerable or not for instance. BTW thanks for the ASP75 bearings I ordered from you!
cheers, Len
Don't their pneumatic sets remain stowed when air pressure is lost? I think I read somewhere that's the case and the Robarts drop down when air pressure is lost...
Nope, exactly the opposite.
No, you have that reversed. Robarts stay retracted if you lose air. Spring airs will lower if air is lost. That is the superiority of Spring Airs. You'll never have to do a belly landing with Spring Airs....Unlike Robarts.
"The OTHER Kevin in San Diego" wrote in message news: snipped-for-privacy@4ax.com...
Look at theri 205 nose gear. See the big notch? That is for the steering arm. With the 106 and 107 units the gear pivots in the retract and you put a collar at the top of the wire and your steering arm at the bottom. Look at the pictures of the nose gear on the main page (scroll down a little bit).
Glad you liked the bearings!
I ran Rhoms for a decade. Never a problem. I would probably have gone to Spring-Air after Rhom-Air folded, but I folded too - from pattern. Too much like work without a pay check after a while.
Ed Cregger
Ah, ok. I knew one or the other had a screwey "fail safe" mode.. Just couldn't remember which..
Thx
Robart now makes retracts that drop down with spring pressure, when ai is lost. Been advertized in RC mags. for months
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Does anyone remember B&D retracts? They were filled epoxy constructed and didn't have a flat surface on them. A friend had two or three sets that he bought used. They never did work well.
Ed Cregger
Mailed Spring Air and they reckon a set of 302's are for this model, thanks for all the advice on this one.
cheers, Len
Yep. Seen 'em. They look like exact rip-offs of spring airs.
Yep. Had some B&D's . They were ok on a .40 powered plane but not much more.
Anyone know where I can get these from? Went to
cheers, Len
Have you tried contacting them?
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